Opened 6 years ago

Last modified 6 years ago

#3102 closed defect

ChimeraX bug report submission — at Initial Version

Reported by: chimerax-bug-report@… Owned by:
Priority: normal Milestone:
Component: Volume Data Version:
Keywords: Cc:
Blocked By: Blocking:
Notify when closed: Platform: all
Project: ChimeraX

Description

The following bug report has been submitted:
Platform:        Darwin-17.7.0-x86_64-i386-64bit
ChimeraX Version: 0.93 (2020-04-03)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 0.93 (2020-04-03)  
© 2016-2020 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open
> /Users/shirinmortazavi/Downloads/cryosparc_P22_J2141_007_volume_map_sharp_local.mrc

Opened cryosparc_P22_J2141_007_volume_map_sharp_local.mrc, grid size
256,256,256, pixel 1.23, shown at level 0.124, step 1, values float32  

> ui mousemode rightMode zoom

> volume #1 level 0.8104

> volume #1 level 0.4071

> volume #1 level 0.3283

> volume #1 level 0.4395

> open2
> "/Users/shirinmortazavi/Downloads/cryosparc_P22_J2130_006_volume_map_sharp
> (1).mrc"

Opened cryosparc_P22_J2130_006_volume_map_sharp (1).mrc, grid size
384,384,384, pixel 0.818, shown at level 0.126, step 2, values float32  

> volume #2 level 0.3427

> volume #2 step 1

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/cryosparc_P22_J2051_006_volume_map_sharp.mrc

Opened cryosparc_P22_J2051_006_volume_map_sharp.mrc, grid size 256,256,256,
pixel 1.23, shown at level 0.17, step 1, values float32  

> volume #3 level 0.5534

> toolshed show "Fit in Map"

Fit map cryosparc_P22_J2130_006_volume_map_sharp (1).mrc in map
cryosparc_P22_J2051_006_volume_map_sharp.mrc using 133933 points  
correlation = 0.9509, correlation about mean = 0.6857, overlap = 6.739e+04  
steps = 56, shift = 0.773, angle = 1.56 degrees  
  
Position of cryosparc_P22_J2130_006_volume_map_sharp (1).mrc (#2) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#3) coordinates:  
Matrix rotation and translation  
0.99963010 0.02718969 -0.00061710 -4.14343340  
-0.02719067 0.99962892 -0.00163723 4.76353371  
0.00057235 0.00165340 0.99999847 0.40024337  
Axis 0.06038652 -0.02182770 -0.99793638  
Axis point 172.49617079 153.06286590 0.00000000  
Rotation angle (degrees) 1.56129734  
Shift along axis -0.75360192  
  

> set bgColor white

> graphics silhouettes true

> set bgColor gray

> set bgColor gray

> set bgColor black

> set bgColor white

> volume #3 level 0.7846

> volume #2 level 0.5238

> volume #2 level 0.3751

> volume #2 level 0.346

> volume #2 level 0.2716

> volume #3 level 0.4855

> volume #2 level 0.2135

> volume #2 level 0.2846

> volume #3 level 0.3699

> toolshed show "Side View"

> volume #3 level 0.3087

> volume #3 level 0.2815

> open2 "/Users/shirinmortazavi/Documents/cryo-EM/CH's
> data/cryosparc_P22_J2136_006_volume_map_sharp_local.mrc"

Opened cryosparc_P22_J2136_006_volume_map_sharp_local.mrc, grid size
292,292,292, pixel 1.03, shown at level 0.276, step 2, values float32  

> volume #4 step 1

> volume #4 level 0.3658

> select #4

3 models selected  

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/cryosparc_P22_J2018_008_volume_map_sharp_local.mrc

Opened cryosparc_P22_J2018_008_volume_map_sharp_local.mrc, grid size
256,256,256, pixel 1.23, shown at level 0.422, step 1, values float32  

> volume #5 level 0.6006

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> toolshed show "Fit in Map"

Fit map cryosparc_P22_J2136_006_volume_map_sharp_local.mrc in map
cryosparc_P22_J2018_008_volume_map_sharp_local.mrc using 101160 points  
correlation = 0.9751, correlation about mean = 0.6829, overlap = 3.926e+04  
steps = 88, shift = 8.34, angle = 8.25 degrees  
  
Position of cryosparc_P22_J2136_006_volume_map_sharp_local.mrc (#4) relative
to cryosparc_P22_J2018_008_volume_map_sharp_local.mrc (#5) coordinates:  
Matrix rotation and translation  
0.03854178 0.84419391 -0.53465053 105.27755894  
-0.00374780 -0.53492219 -0.84489303 365.72350600  
-0.99924997 0.03456744 -0.01745298 306.48365519  
Axis 0.67287311 0.35546393 -0.64875818  
Axis point 0.00000000 69.98187886 304.88314994  
Rotation angle (degrees) 139.19312916  
Shift along axis 2.00617405  
  

> ui mousemode rightMode zoom

> volume #4 level 0.4017

> volume #4 level 0.2889

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/cryosparc_P22_J2117_map_sharp.mrc

Opened cryosparc_P22_J2117_map_sharp.mrc, grid size 256,256,256, pixel 1.23,
shown at level 0.422, step 1, values float32  

> volume #6 level 0.5641

> toolshed show "Fit in Map"

Fit map cryosparc_P22_J2117_map_sharp.mrc in map
cryosparc_P22_J2018_008_volume_map_sharp_local.mrc using 62757 points  
correlation = 0.99, correlation about mean = 0.8551, overlap = 4.367e+04  
steps = 40, shift = 0.00576, angle = 0.00669 degrees  
  
Position of cryosparc_P22_J2117_map_sharp.mrc (#6) relative to
cryosparc_P22_J2018_008_volume_map_sharp_local.mrc (#5) coordinates:  
Matrix rotation and translation  
1.00000000 0.00007639 -0.00003823 -0.00915817  
-0.00007639 0.99999999 -0.00007964 0.02138608  
0.00003822 0.00007964 1.00000000 -0.01711682  
Axis 0.68194223 -0.32731382 -0.65407986  
Axis point 0.00000000 231.76332473 260.09197916  
Rotation angle (degrees) 0.00669139  
Shift along axis -0.00204954  
  
Fit map cryosparc_P22_J2117_map_sharp.mrc in map
cryosparc_P22_J2018_008_volume_map_sharp_local.mrc using 62757 points  
correlation = 0.9901, correlation about mean = 0.8556, overlap = 4.363e+04  
steps = 28, shift = 0.0267, angle = 0.0175 degrees  
  
Position of cryosparc_P22_J2117_map_sharp.mrc (#6) relative to
cryosparc_P22_J2018_008_volume_map_sharp_local.mrc (#5) coordinates:  
Matrix rotation and translation  
0.99999996 0.00027314 -0.00002887 -0.03943950  
-0.00027313 0.99999995 0.00015375 0.03888397  
0.00002892 -0.00015375 0.99999999 0.02047535  
Axis -0.48845621 -0.09179728 -0.86774639  
Axis point 141.63904340 148.11936421 0.00000000  
Rotation angle (degrees) 0.01803472  
Shift along axis -0.00207238  
  

> volume #4 level 0.3684

> open2 "/Users/shirinmortazavi/Documents/cryo-EM/CH's
> data/cryosparc_P22_J2143_map_sharp.mrc"

Opened cryosparc_P22_J2143_map_sharp.mrc, grid size 292,292,292, pixel 1.03,
shown at level 0.259, step 2, values float32  

> volume #7 step 1

> volume #7 level 0.3239

> select #7

3 models selected  

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> undo

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> toolshed show "Fit in Map"

Fit map cryosparc_P22_J2143_map_sharp.mrc in map
cryosparc_P22_J2117_map_sharp.mrc using 99714 points  
correlation = 0.9679, correlation about mean = 0.6508, overlap = 3.283e+04  
steps = 92, shift = 5.24, angle = 11.3 degrees  
  
Position of cryosparc_P22_J2143_map_sharp.mrc (#7) relative to
cryosparc_P22_J2117_map_sharp.mrc (#6) coordinates:  
Matrix rotation and translation  
-0.00409633 0.53514700 0.84474902 -50.48993157  
0.03590078 0.84429024 -0.53468227 106.09127097  
-0.99934697 0.02813691 -0.02267069 308.30509650  
Axis 0.28258824 0.92590989 -0.25066863  
Axis point 111.32199244 0.00000000 194.32495755  
Rotation angle (degrees) 95.23485495  
Shift along axis 6.68067977  
  
Fit map cryosparc_P22_J2143_map_sharp.mrc in map
cryosparc_P22_J2117_map_sharp.mrc using 99714 points  
correlation = 0.9679, correlation about mean = 0.6509, overlap = 3.283e+04  
steps = 36, shift = 0.00517, angle = 0.0114 degrees  
  
Position of cryosparc_P22_J2143_map_sharp.mrc (#7) relative to
cryosparc_P22_J2117_map_sharp.mrc (#6) coordinates:  
Matrix rotation and translation  
-0.00414088 0.53498756 0.84484979 -50.47195303  
0.03585622 0.84439318 -0.53452268 106.06187693  
-0.99934839 0.02807972 -0.02267916 308.31550848  
Axis 0.28247875 0.92595907 -0.25061037  
Axis point 111.34375734 -0.00000000 194.31269548  
Rotation angle (degrees) 95.23341877  
Shift along axis 6.68463831  
  

> ui mousemode rightMode zoom

> volume #7 level 0.3347

> volume #6 level 0.5866

> volume #6 level 0.8001

> volume #6 color salmon

> color list

No custom colors.  
248 builtin colors: alice blue

, aliceblue

, antique white

, antiquewhite

, aqua

, aquamarine

, azure

, beige

, bisque

, black

, blanched almond

, blanchedalmond

, blue

, blue violet

, blueviolet

, brown

, burly wood

, burlywood

, cadet blue

, cadetblue

, chartreuse

, chocolate

, coral

, cornflower blue

, cornflowerblue

, cornsilk

, crimson

, cyan

, dark blue

, dark cyan

, dark goldenrod

, dark gray

, dark green

, dark grey

, dark khaki

, dark magenta

, dark olive green

, dark orange

, dark orchid

, dark red

, dark salmon

, dark sea green

, dark seagreen

, dark slate blue

, dark slate gray

, dark slate grey

, dark turquoise

, dark violet

, darkblue

, darkcyan

, darkgoldenrod

, darkgray

, darkgreen

, darkgrey

, darkkhaki

, darkmagenta

, darkolivegreen

, darkorange

, darkorchid

, darkred

, darksalmon

, darkseagreen

, darkslateblue

, darkslategray

, darkslategrey

, darkturquoise

, darkviolet

, deep pink

, deep sky blue

, deep skyblue

, deeppink

, deepskyblue

, dim gray

, dim grey

, dimgray

, dimgrey

, dodger blue

, dodgerblue

, fire brick

, firebrick

, floral white

, floralwhite

, forest green

, forestgreen

, fuchsia

, gainsboro

, ghost white

, ghostwhite

, gold

, goldenrod

, gray

, green

, green yellow

, greenyellow

, grey

, honeydew

, hot pink

, hotpink

, indian red

, indianred

, indigo

, ivory

, khaki

, lavender

, lavender blush

, lavenderblush

, lawn green

, lawngreen

, lemon chiffon

, lemonchiffon

, light blue

, light coral

, light cyan

, light goldenrod yellow

, light gray

, light green

, light grey

, light pink

, light salmon

, light sea green

, light seagreen

, light sky blue

, light skyblue

, light slate gray

, light slate grey

, light steel blue

, light yellow

, lightblue

, lightcoral

, lightcyan

, lightgoldenrodyellow

, lightgray

, lightgreen

, lightgrey

, lightpink

, lightsalmon

, lightseagreen

, lightskyblue

, lightslategray

, lightslategrey

, lightsteelblue

, lightyellow

, lime

, lime green

, limegreen

, linen

, magenta

, maroon

, medium aquamarine

, medium blue

, medium orchid

, medium purple

, medium sea green

, medium seagreen

, medium slate blue

, medium spring green

, medium turquoise

, medium violet red

, mediumaquamarine

, mediumblue

, mediumorchid

, mediumpurple

, mediumseagreen

, mediumslateblue

, mediumspringgreen

, mediumturquoise

, mediumvioletred

, midnight blue

, midnightblue

, mint cream

, mintcream

, misty rose

, mistyrose

, moccasin

, navajo white

, navajowhite

, navy

, old lace

, oldlace

, olive

, olive drab

, olivedrab

, orange

, orange red

, orangered

, orchid

, pale goldenrod

, pale green

, pale turquoise

, pale violet red

, palegoldenrod

, palegreen

, paleturquoise

, palevioletred

, papaya whip

, papayawhip

, peach puff

, peachpuff

, peru

, pink

, plum

, powder blue

, powderblue

, purple

, rebecca purple

, rebeccapurple

, red

, rosy brown

, rosybrown

, royal blue

, royalblue

, saddle brown

, saddlebrown

, salmon

, sandy brown

, sandybrown

, sea green

, seagreen

, seashell

, sienna

, silver

, sky blue

, skyblue

, slate blue

, slate gray

, slate grey

, slateblue

, slategray

, slategrey

, snow

, spring green

, springgreen

, steel blue

, steelblue

, tan

, teal

, thistle

, tomato

, transparent

, turquoise

, violet

, wheat

, white

, white smoke

, whitesmoke

, yellow

, yellow green

, and yellowgreen

.  

> volume #7 color dodger blue

> volume #7 color sky blue

> volume #7 color deep sky blue

Expected a keyword  

> volume #7 color dodger blue

> volume #7 color royal blue

> volume #7 color cornflower blue

> volume #7 color dodger blue

> ui mousemode rightMode "move planes"

> lighting simple

> lighting full

> lighting flat

> lighting shadows true intensity 0.5

> lighting simple

> lighting full

> lighting shadows false

> lighting flat

> lighting shadows true intensity 0.5

> lighting shadows false

> lighting shadows true

> lighting simple

> lighting simple

> lighting shadows true

> lighting shadows false

> graphics silhouettes false

> graphics silhouettes true

> lighting shadows true

> lighting shadows false

> volume #7 color royal blue

Expected a keyword  

> volume #7 color steel blue

> volume #7 color royal blue

> volume #7 color cornflower blue

> volume #7 color dodger blue

> volume #7 color deep sky blue

> volume #7 color royal blue

> volume #7 color cornflower blue

> volume #7 color royal blue

> hide #!7 models

> show #!7 models

> hide #!7 models

> show #!7 models

> hide #!6 models

> show #!6 models

> hide #!6 models

> show #!6 models

> ~select #7

Nothing selected  

> hide #!7 models

> show #!7 models

> hide #!6 models

> show #!6 models

> hide #!6 models

> graphics silhouettes false

> graphics silhouettes true

> lighting shadows true

> lighting shadows false

> lighting flat

> lighting flat

> lighting full

> lighting full

> lighting soft

> lighting simple

> lighting soft

> lighting shadows true intensity 0.5

> lighting shadows false

> lighting shadows true

> lighting shadows false

> lighting flat

> lighting flat

> lighting shadows true intensity 0.5

> lighting shadows false

> lighting shadows true

> lighting full

> lighting shadows false

> lighting shadows true

> lighting shadows false

> lighting shadows true

> lighting soft

> lighting full

> lighting soft

> lighting full

> lighting soft

> lighting full

> lighting soft

> lighting full

> lighting soft

> lighting shadows true intensity 0.5

> lighting shadows false

> lighting simple

> lighting shadows true

> lighting shadows false

> lighting shadows true

> lighting shadows false

> lighting shadows true

> lighting shadows false

> graphics silhouettes false

> graphics silhouettes true

> lighting simple

> lighting simple

> lighting simple

> lighting shadows true

> lighting shadows false

> lighting soft

> lighting shadows true intensity 0.5

> lighting shadows false

> lighting shadows true

> lighting simple

> lighting soft

> lighting shadows true intensity 0.5

> lighting simple

> lighting soft

> lighting shadows true intensity 0.5

> lighting full

> lighting shadows false

> lighting shadows true

> lighting shadows false

> lighting simple

> lighting shadows true

> lighting shadows false

> lighting flat

> lighting shadows true intensity 0.5

> lighting shadows false

> lighting shadows true

> lighting soft

> lighting flat

> lighting shadows true intensity 0.5

> lighting soft

> lighting shadows true intensity 0.5

> lighting simple

> lighting shadows true

> lighting shadows false

> show #!6 models

> hide #!6 models

> volume #7 level 0.3024

> show #!6 models

> hide #!6 models

> volume #7 level 0.3588

> volume #6 region 0,0,0,255,255,255

> volume #6 region 0,0,0,255,255,255

> ui mousemode rightMode zoom

> volume #7 level 0.4488

> volume #6 level 0.8263

> volume #7 level 0.4166

> volume #6 level 0.8525

> volume #7 level 0.3373

> volume #7 level 0.3548

> volume #7 level 0.3481

> volume #6 level 0.7209

> ui mousemode rightMode "rotate selected models"

> select #7

4 models selected  

> toolshed show "Fit in Map"

Fit map cryosparc_P22_J2143_map_sharp.mrc in map
cryosparc_P22_J2117_map_sharp.mrc using 79394 points  
correlation = 0.9761, correlation about mean = 0.6534, overlap = 2.928e+04  
steps = 60, shift = 3.31, angle = 2.84 degrees  
  
Position of cryosparc_P22_J2143_map_sharp.mrc (#7) relative to
cryosparc_P22_J2117_map_sharp.mrc (#6) coordinates:  
Matrix rotation and translation  
0.03888261 0.84437801 -0.53433503 105.14478637  
-0.00396457 -0.53460484 -0.84509287 365.74979344  
-0.99923593 0.03497782 -0.01743924 306.46005063  
Axis 0.67293951 0.35548301 -0.64867884  
Axis point 0.00000000 69.98414577 304.87538260  
Rotation angle (degrees) 139.16368307  
Shift along axis 1.97976845  
  
Fit map cryosparc_P22_J2143_map_sharp.mrc in map
cryosparc_P22_J2117_map_sharp.mrc using 79394 points  
correlation = 0.9761, correlation about mean = 0.6535, overlap = 2.928e+04  
steps = 28, shift = 0.021, angle = 0.0208 degrees  
  
Position of cryosparc_P22_J2143_map_sharp.mrc (#7) relative to
cryosparc_P22_J2117_map_sharp.mrc (#6) coordinates:  
Matrix rotation and translation  
0.03900481 0.84442765 -0.53424767 105.10287351  
-0.00363417 -0.53453112 -0.84514099 365.68150390  
-0.99923242 0.03490611 -0.01778049 306.52202599  
Axis 0.67300801 0.35559286 -0.64854756  
Axis point 0.00000000 69.96229298 304.82488286  
Rotation angle (degrees) 139.17005056  
Shift along axis 1.97469435  
  

> ui mousemode rightMode zoom

> volume #6 level 0.5794

> volume #6 level 0.594

> volume #6 level 0.6916

> volume #6 level 0.7257

> volume #7 level 0.3376

> volume #7 level 0.3271

> volume #7 level 0.2974

> lighting simple

> lighting shadows true

> lighting shadows false

> save /Users/shirinmortazavi/Desktop/image9.png supersample 3

> ~select #7

Nothing selected  

> save /Users/shirinmortazavi/Desktop/image9.png supersample 3

> save /Users/shirinmortazavi/Desktop/image10.png supersample 3

> show #!7 models

> volume #7 transparency 0.5

> volume #7 transparency 0.7

> save /Users/shirinmortazavi/Desktop/image11.png supersample 3

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0084_Ca2+andNS309/Cryosparc/cryosparc_P22_J1330_006_volume_map_sharp_local.mrc

Opened cryosparc_P22_J1330_006_volume_map_sharp_local.mrc, grid size
300,300,300, pixel 1.03, shown at level 0.466, step 2, values float32  

> volume #8 step 1

> select #8

2 models selected  

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> volume #8 level 0.5862

> ui mousemode rightMode "rotate selected models"

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0084_Ca2+andNS309/cryosparc_P22_J2120_map_sharp.mrc

Opened cryosparc_P22_J2120_map_sharp.mrc, grid size 320,320,320, pixel 1.03,
shown at level 0.443, step 2, values float32  

> volume #9 step 1

> volume #9 level 0.7195

> select #9

2 models selected  

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> preset cartoons/nucleotides ribbons/slabs

Changed 0 atom styles  
Preset expands to these ChimeraX commands:

    
    
    show nucleic
    hide protein|solvent|H
    surf hide
    style (protein|nucleic|solvent) & @@draw_mode=0 stick
    cartoon
    cartoon style modeh def arrows t arrowshelix f arrowscale 2 wid 2 thick 0.4 sides 12 div 20
    cartoon style ~(nucleic|strand) x round
    cartoon style (nucleic|strand) x rect
    nucleotides tube/slab shape box

  

> toolshed show "Fit in Map"

Fit map cryosparc_P22_J2120_map_sharp.mrc in map
cryosparc_P22_J2117_map_sharp.mrc using 68076 points  
correlation = 0.9882, correlation about mean = 0.7825, overlap = 5.963e+04  
steps = 76, shift = 4.02, angle = 7.38 degrees  
  
Position of cryosparc_P22_J2120_map_sharp.mrc (#9) relative to
cryosparc_P22_J2117_map_sharp.mrc (#6) coordinates:  
Matrix rotation and translation  
0.98624556 -0.16528567 -0.00060842 21.01183521  
-0.16528590 -0.98622159 -0.00689565 349.12692320  
0.00053972 0.00690137 -0.99997604 323.21520745  
Axis 0.99655541 -0.08292963 -0.00001721  
Axis point 0.00000000 174.87643246 162.21292102  
Rotation angle (degrees) 179.60337512  
Shift along axis -8.01906961  
  
Fit map cryosparc_P22_J2120_map_sharp.mrc in map
cryosparc_P22_J2117_map_sharp.mrc using 68076 points  
correlation = 0.9882, correlation about mean = 0.7825, overlap = 5.963e+04  
steps = 24, shift = 0.01, angle = 0.0137 degrees  
  
Position of cryosparc_P22_J2120_map_sharp.mrc (#9) relative to
cryosparc_P22_J2117_map_sharp.mrc (#6) coordinates:  
Matrix rotation and translation  
0.98626016 -0.16519817 -0.00069209 21.01481988  
-0.16519889 -0.98623471 -0.00710133 349.15314058  
0.00049056 0.00711809 -0.99997455 323.18808085  
Axis 0.99655907 -0.08288560 -0.00005053  
Axis point 0.00000000 174.87206643 162.21827999  
Rotation angle (degrees) 179.59123347  
Shift along axis -8.01358969  
  

> select #9

3 models selected  

> ~select #9

Nothing selected  

> ui mousemode rightMode zoom

> volume #9 level 0.6832

> hide #!6 models

> hide #!6.1 models

> hide #!7 models

> show #!8 models

> hide #!8 models

> show #!6 models

> volume #9 level 0.5971

> color list

No custom colors.  
248 builtin colors: alice blue

, aliceblue

, antique white

, antiquewhite

, aqua

, aquamarine

, azure

, beige

, bisque

, black

, blanched almond

, blanchedalmond

, blue

, blue violet

, blueviolet

, brown

, burly wood

, burlywood

, cadet blue

, cadetblue

, chartreuse

, chocolate

, coral

, cornflower blue

, cornflowerblue

, cornsilk

, crimson

, cyan

, dark blue

, dark cyan

, dark goldenrod

, dark gray

, dark green

, dark grey

, dark khaki

, dark magenta

, dark olive green

, dark orange

, dark orchid

, dark red

, dark salmon

, dark sea green

, dark seagreen

, dark slate blue

, dark slate gray

, dark slate grey

, dark turquoise

, dark violet

, darkblue

, darkcyan

, darkgoldenrod

, darkgray

, darkgreen

, darkgrey

, darkkhaki

, darkmagenta

, darkolivegreen

, darkorange

, darkorchid

, darkred

, darksalmon

, darkseagreen

, darkslateblue

, darkslategray

, darkslategrey

, darkturquoise

, darkviolet

, deep pink

, deep sky blue

, deep skyblue

, deeppink

, deepskyblue

, dim gray

, dim grey

, dimgray

, dimgrey

, dodger blue

, dodgerblue

, fire brick

, firebrick

, floral white

, floralwhite

, forest green

, forestgreen

, fuchsia

, gainsboro

, ghost white

, ghostwhite

, gold

, goldenrod

, gray

, green

, green yellow

, greenyellow

, grey

, honeydew

, hot pink

, hotpink

, indian red

, indianred

, indigo

, ivory

, khaki

, lavender

, lavender blush

, lavenderblush

, lawn green

, lawngreen

, lemon chiffon

, lemonchiffon

, light blue

, light coral

, light cyan

, light goldenrod yellow

, light gray

, light green

, light grey

, light pink

, light salmon

, light sea green

, light seagreen

, light sky blue

, light skyblue

, light slate gray

, light slate grey

, light steel blue

, light yellow

, lightblue

, lightcoral

, lightcyan

, lightgoldenrodyellow

, lightgray

, lightgreen

, lightgrey

, lightpink

, lightsalmon

, lightseagreen

, lightskyblue

, lightslategray

, lightslategrey

, lightsteelblue

, lightyellow

, lime

, lime green

, limegreen

, linen

, magenta

, maroon

, medium aquamarine

, medium blue

, medium orchid

, medium purple

, medium sea green

, medium seagreen

, medium slate blue

, medium spring green

, medium turquoise

, medium violet red

, mediumaquamarine

, mediumblue

, mediumorchid

, mediumpurple

, mediumseagreen

, mediumslateblue

, mediumspringgreen

, mediumturquoise

, mediumvioletred

, midnight blue

, midnightblue

, mint cream

, mintcream

, misty rose

, mistyrose

, moccasin

, navajo white

, navajowhite

, navy

, old lace

, oldlace

, olive

, olive drab

, olivedrab

, orange

, orange red

, orangered

, orchid

, pale goldenrod

, pale green

, pale turquoise

, pale violet red

, palegoldenrod

, palegreen

, paleturquoise

, palevioletred

, papaya whip

, papayawhip

, peach puff

, peachpuff

, peru

, pink

, plum

, powder blue

, powderblue

, purple

, rebecca purple

, rebeccapurple

, red

, rosy brown

, rosybrown

, royal blue

, royalblue

, saddle brown

, saddlebrown

, salmon

, sandy brown

, sandybrown

, sea green

, seagreen

, seashell

, sienna

, silver

, sky blue

, skyblue

, slate blue

, slate gray

, slate grey

, slateblue

, slategray

, slategrey

, snow

, spring green

, springgreen

, steel blue

, steelblue

, tan

, teal

, thistle

, tomato

, transparent

, turquoise

, violet

, wheat

, white

, white smoke

, whitesmoke

, yellow

, yellow green

, and yellowgreen

.  

> volume #9 color medium purple

> volume #9 color lavender

> volume #9 color medium slate blue

> volume #9 color slate blue

> volume #9 color #705ccd

> volume #9 color #715ccd

> volume #9 color #715dcd

> volume #9 color #715ecd

> volume #9 color #7c6bcd

> volume #9 color #8574cd

> volume #9 color #8a7bcd

> volume #9 color #9484cd

> volume #9 color #9586cd

> volume #9 color #9687cd

> volume #9 color #9788cd

> volume #9 color #988acd

> volume #9 color #998ccd

> volume #9 color #9b8ecd

> volume #9 color #9a8fcd

> volume #9 color #9a90cd

> volume #9 color #9a91cd

> volume #9 color #9891cd

> volume #9 color #9792cd

> volume #9 color #9793cd

> volume #9 color #9794cd

> volume #9 color #9693cd

> volume #9 color #9694cd

> volume #9 color #9795cd

> volume #9 color #9493cd

> volume #9 color #908fcd

> volume #9 color #8d8dcd

> volume #9 color #8786cd

> volume #9 color #8889cd

> volume #9 color #888acd

> volume #9 color #888bcd

> volume #9 color #8689cd

> volume #9 color #8488cd

> volume #9 color #8487cd

> volume #9 color #8387cd

> volume #9 color #8083cd

> volume #9 color #7e80cd

> volume #9 color #7d7fcd

> volume #9 color #7d7ecd

> volume #9 color #7c7dcd

> volume #9 color #7d7ecd

> volume #9 color #7c7ecd

> volume #9 color #7b7ecd

> volume #9 color #7b7fcd

> volume #9 color #848ccd

> volume #9 color #848dcd

> volume #9 color #8994cd

> volume #9 color #8a95cd

> volume #9 color #8b97cd

> volume #9 color #8d99cd

> volume #9 color #909ccd

> volume #9 color #919ccd

> volume #9 color #919dcd

> volume #9 color #919ccd

> volume #9 color #909bcd

> volume #9 color #909acd

> volume #9 color #8f95cd

> volume #9 color #8d91cd

> volume #9 color #8888cd

> volume #9 color #8889cd

> volume #9 color #8989cd

> volume #9 color #8a8acd

> volume #9 color #898acd

> volume #9 color #8a8acd

> volume #9 color #8a8bcd

> volume #9 color #8b8bcd

> volume #9 color #8b8ccd

> volume #9 color #8c8ccd

> volume #9 color #8d8dcd

> volume #9 color #8c8ccd

> volume #9 color #8b8bcd

> volume #9 color #8587cd

> volume #9 color #8082cd

> volume #9 color #7c7fcd

> volume #9 color #7b7fcd

> volume #9 color #7b80cd

> volume #9 color #7c80cd

> volume #9 color #7c81cd

> volume #9 color #7c82cd

> volume #9 color #7d84cd

> volume #9 color #7d85cd

> volume #9 color #7c85cd

> volume #9 color #7e86cd

> volume #9 color #8087cd

> volume #9 color #8187cd

> volume #9 color #8389cd

> volume #9 color #8489cd

> volume #9 color #848acd

> volume #9 color #848bcd

> volume #9 color #858ecd

> volume #9 color #8691cd

> volume #9 color #8692cd

> volume #9 color #8793cd

> volume #9 color #8894cd

> volume #9 color #8994cd

> volume #9 color #8c96cd

> volume #9 color #8a95cd

> volume #9 color #8994cd

> volume #9 color #8a94cd

> volume #9 color #8b94cd

> volume #9 color #8c94cd

> volume #9 color #8b94cd

> volume #9 color #8b93cd

> volume #9 color #8a92cd

> volume #9 color #8991cd

> volume #9 color #858dcd

> volume #9 color #858ecd

> volume #9 color #868fcd

> volume #9 color #8690cd

> volume #9 color #8691cd

> volume #9 color #8793cd

> volume #9 color #8694cd

> volume #9 color #8797cd

> volume #9 color #8798cd

> volume #9 color #8697cd

> volume #9 color #8696cd

> volume #9 color #8695cd

> volume #9 color #8694cd

> volume #9 color #8592cd

> volume #9 color #8591cd

> volume #9 color #8490cd

> volume #9 color #848fcd

> volume #9 color #838ecd

> volume #9 color #828ccd

> volume #9 color #818ccd

> volume #9 color #808ccd

> volume #9 color #7d8bcd

> volume #9 color #7e8ccd

> volume #9 color #7f8dcd

> volume #9 color #808dcd

> volume #9 color #818fcd

> volume #9 color #828fcd

> volume #9 color #7f91cd

> volume #9 color #8091cd

> volume #9 color #7f90cd

> volume #9 color #8090cd

> volume #9 color #7f8ecd

> volume #9 color #7e8dcd

> volume #9 color #7d8acd

> volume #9 color #7b86cd

> volume #9 color #7c86cd

> volume #9 color #7c87cd

> volume #9 color #7c86cd

> volume #9 color #7b86cd

> volume #9 color #7983cd

> volume #9 color #7980cd

> volume #9 color #7a7fcd

> volume #9 color #7b7fcd

> volume #9 color #7c7ecd

> volume #9 color #7c7fcd

> volume #9 color #7d80cd

> volume #9 color #7d81cd

> volume #9 color #7c81cd

> volume #9 color #7d82cd

> volume #9 color #7d83cd

> volume #9 color #7e84cd

> volume #9 color #7e83cd

> volume #9 color #8087cd

> volume #9 color #8289cd

> volume #9 color #838bcd

> volume #9 color #848ccd

> volume #9 color #858ccd

> volume #9 color #868dcd

> volume #9 color #878ecd

> volume #9 color #888fcd

> volume #9 color #898fcd

> volume #9 color #888ecd

> volume #9 color #888ccd

> volume #9 color #878bcd

> volume #9 color #868acd

> volume #9 color #8689cd

> volume #9 color #868acd

> volume #9 color #878bcd

> volume #9 color #878ccd

> volume #9 color #8a90cd

> volume #9 color #8c93cd

> volume #9 color #8c94cd

> volume #9 color #8b94cd

> volume #9 color #8a94cd

> volume #9 color #8a95cd

> volume #9 color #8a94cd

> volume #9 color #8993cd

> volume #9 color #8891cd

> volume #9 color #8790cd

> volume #9 color #8790ce

> volume #9 color #8891cf

> volume #9 color #8b94d4

> volume #9 color #97a1e6

> volume #9 color #a7b1fe

> volume #9 color #a7b2ff

> volume #9 color #a5b0fc

> volume #9 color #a2acf6

> volume #9 color #9ca6ee

> volume #9 color #929cdf

> volume #9 color #919add

> volume #9 color #8e97d8

> volume #9 color #7c84bc

> volume #9 color #7d84bd

> volume #9 color #7d85be

> volume #9 color #7e86be

> volume #9 color #7e86bf

> volume #9 color #7f87c1

> volume #9 color #878fcc

> volume #9 color #8992d1

> volume #9 color #8c95d5

> volume #9 color #8d96d6

> volume #9 color #8d96d7

> volume #9 color #9099db

> volume #9 color #919bdd

> volume #9 color #929cdf

> volume #9 color #9aa3ea

> volume #9 color #99a3ea

> volume #9 color #99a3e9

> volume #9 color #99a2e8

> volume #9 color #949de1

> volume #9 color #9099dc

> volume #9 color #9099db

> volume #9 color #8f98da

> volume #9 color #8f98d9

> volume #9 color #8e98d9

> volume #9 color #8e97d8

> volume #9 color #8e97d7

> volume #9 color #8b94d4

> volume #9 color #8c94d4

> volume #9 color #8b94d4

> volume #9 color #8a93d2

> volume #9 color #8790ce

> volume #9 color #8790cd

> volume #9 color #878fcd

> volume #9 color #848cc8

> volume #9 color #7e86bf

> volume #9 color #7981b8

> volume #9 color #787fb5

> volume #9 color #7880b6

> volume #9 color #7c83bb

> volume #9 color #7d85bd

> volume #9 color #7e86bf

> volume #9 color #7f87c1

> volume #9 color #8088c2

> volume #9 color #8189c3

> volume #9 color #818ac4

> volume #9 color #828ac5

> volume #9 color #858dc9

> volume #9 color #848dc9

> volume #9 color #848cc8

> volume #9 color #848dc9

> volume #9 color #858dc9

> volume #9 color #858dca

> volume #9 color #868fcc

> volume #9 color #8790cd

> volume #9 color #8890ce

> volume #9 color #8891cf

> volume #9 color #8a93d2

> volume #9 color #8d95d6

> volume #9 color #8d96d7

> volume #9 color #8d96d6

> volume #9 color #8c95d5

> volume #9 color #8c94d4

> volume #9 color #8ea2d4

> volume #9 color #8ea1d4

> volume #9 color #8ea0d4

> volume #9 color #8e9fd4

> volume #9 color #8e9dd4

> volume #9 color #878fd4

> volume #9 color #868cd4

> volume #9 color #858ad4

> volume #9 color #8489d4

> volume #9 color #8388d4

> volume #9 color #8386d4

> volume #9 color #8284d4

> volume #9 color #8283d4

> volume #9 color #8282d4

> volume #9 color #8181d4

> volume #9 color #8180d4

> volume #9 color #807dd4

> volume #9 color #807ad4

> volume #9 color #8075d4

> volume #9 color #7c66d4

> volume #9 color #7b63d4

> volume #9 color #7c64d4

> volume #9 color #7d66d4

> volume #9 color #816fd4

> volume #9 color #8170d4

> volume #9 color #8273d4

> volume #9 color #817bd4

> volume #9 color #807dd4

> volume #9 color #817fd4

> volume #9 color #8283d4

> volume #9 color #8383d4

> volume #9 color #8384d4

> volume #9 color #8385d4

> volume #9 color #8486d4

> volume #9 color #8487d4

> volume #9 color #8588d4

> volume #9 color #8589d4

> volume #9 color #848bd4

> volume #9 color #858dd4

> volume #9 color #868ed4

> volume #9 color #8690d4

> volume #9 color #8a96d4

> volume #9 color #8b99d4

> volume #9 color #8c99d4

> volume #9 color #8d9cd4

> volume #9 color #8e9dd4

> volume #9 color #8f9fd4

> volume #9 color #8fa0d4

> volume #9 color #8e9fd4

> volume #9 color #8d9ed4

> volume #9 color #8d9fd4

> volume #9 color #8c9ed4

> volume #9 color #879bd4

> volume #9 color #8499d4

> volume #9 color #8399d4

> volume #9 color #8298d4

> volume #9 color #8399d4

> volume #9 color #8299d4

> volume #9 color #8399d4

> volume #9 color #829ad4

> volume #9 color #8499d4

> volume #9 color #949bd4

> volume #9 color #969bd4

> volume #9 color #979bd4

> volume #9 color #979ad4

> volume #9 color #9596d4

> volume #9 color #9392d4

> volume #9 color #9291d4

> volume #9 color #9190d4

> volume #9 color #8f8cd4

> volume #9 color #908cd4

> volume #9 color #928dd4

> volume #9 color #928cd4

> volume #9 color #928ad4

> volume #9 color #8b81d4

> volume #9 color #8a80d4

> volume #9 color #8980d4

> volume #9 color #897fd4

> volume #9 color #877ed4

> volume #9 color #847bd4

> volume #9 color #827ad4

> volume #9 color #8077d4

> volume #9 color #7f77d4

> volume #9 color #7d74d4

> volume #9 color #7a72d4

> volume #9 color #7871d4

> volume #9 color #7771d4

> volume #9 color #7671d4

> volume #9 color #7772d4

> volume #9 color #7872d4

> volume #9 color #7a74d4

> volume #9 color #807ad4

> volume #9 color #817cd4

> volume #9 color #827bd4

> volume #9 color #817ad4

> volume #9 color #8078d4

> volume #9 color #8178d4

> volume #9 color #8278d4

> volume #9 color #8277d4

> volume #9 color #8273d4

> volume #9 color #8372d4

> volume #9 color #8371d4

> volume #9 color #8471d4

> volume #9 color #8572d4

> volume #9 color #8674d4

> volume #9 color #8877d4

> volume #9 color #897ad4

> volume #9 color #8b7ed4

> volume #9 color #8c83d4

> volume #9 color #8d85d4

> volume #9 color #8c88d4

> volume #9 color #8e89d4

> volume #9 color #908bd4

> volume #9 color #918cd4

> volume #9 color #948ed4

> volume #9 color #9691d4

> volume #9 color #9590d4

> volume #9 color #948fd4

> volume #9 color #938fd4

> volume #9 color #938ed4

> volume #9 color #938dd4

> volume #9 color #928cd4

> volume #9 color #8e87d4

> volume #9 color #8982d4

> volume #9 color #8882d4

> volume #9 color #8781d4

> volume #9 color #8680d4

> volume #9 color #827dd4

> volume #9 color #807bd4

> volume #9 color #7f7bd4

> volume #9 color #7f7cd4

> volume #9 color #807ed4

> volume #9 color #8485d4

> volume #9 color #8587d4

> volume #9 color #8588d4

> volume #9 color #8489d4

> volume #9 color #848bd4

> volume #9 color #858bd4

> volume #9 color #868bd4

> volume #9 color #888bd4

> volume #9 color #888cd4

> volume #9 color #8b8dd4

> volume #9 color #8c8ed4

> volume #9 color #8c8dd4

> volume #9 color #8d8ed4

> volume #9 color #8e8fd4

> volume #9 color #8e90d4

> volume #9 color #8f91d4

> volume #9 color #8f90d4

> volume #9 color #9090d4

> volume #9 color #9191d4

> volume #9 color #9192d4

> volume #9 color #9092d4

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> volume #9 color #9095d4

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> volume #9 color #9198d4

> volume #9 color #9299d4

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> volume #9 color #939bd4

> volume #9 color #929bd4

> volume #9 color #919bd4

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> volume #9 color #909bd4

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> volume #9 color #8c96d4

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> volume #9 color #8993d4

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> volume #9 color #9099d4

> volume #9 color #9098d4

> volume #9 color #8f97d4

> volume #9 color #8a91d4

> volume #9 color #898fd4

> volume #9 color #898dd4

> volume #9 color #8a8dd4

> volume #9 color #8c8dd4

> volume #9 color #8d8cd4

> volume #9 color #8e8dd4

> volume #9 color #8f8ed4

> volume #9 color #9190d4

> volume #9 color #9391d4

> volume #9 color #9591d4

> volume #9 color #9692d4

> volume #9 color #9792d4

> volume #9 color #9793d4

> volume #9 color #9893d4

> volume #9 color #9793d4

> volume #9 color #9693d4

> volume #9 color #9694d4

> volume #9 color #9695d4

> volume #9 color #9696d4

> volume #9 color #9797d4

> volume #9 color #9798d4

> volume #9 color #989ad4

> volume #9 color #989bd4

> volume #9 color #989cd4

> volume #9 color #979bd4

> volume #9 color #979ad4

> volume #9 color #979bd4

> volume #9 color #969ad4

> volume #9 color #9699d4

> volume #9 color #9599d4

> volume #9 color #9498d4

> volume #9 color #9397d4

> volume #9 color #9396d4

> volume #9 color #9295d4

> volume #9 color #9395d4

> volume #9 color #9293d4

> volume #9 color #8e8ed4

> volume #9 color #8f8fd4

> volume #9 color #8f90d4

> volume #9 color #9091d4

> volume #9 color #9192d4

> volume #9 color #9293d4

> volume #9 color #9294d4

> volume #9 color #9395d4

> volume #9 color #9396d4

> volume #9 color #9497d4

> volume #9 color #9598d4

> volume #9 color #9599d4

> volume #9 color #9499d4

> volume #9 color #9399d4

> volume #6 level 0.5648

> volume #6 level 0.5892

> volume #9 level 0.6561

> volume #9 level 0.6243

> volume #6 level 0.4867

> volume #6 level 0.5599

> volume #6 level 0.5989

> volume #6 level 0.716

> volume #6 level 0.716

> volume #6 level 0.7257

> volume #7 level 0.3096

> volume #9 level 0.8419

> volume #9 level 0.7059

> volume #9 level 0.7512

> volume #9 level 0.6878

> volume #6 level 0.6965

> save /Users/shirinmortazavi/Desktop/image9.png supersample 3

> volume #7 transparency 0

> save /Users/shirinmortazavi/Desktop/image9.png supersample 3

> volume #6 level 0.7989

> volume #6 level 0.7745

> save /Users/shirinmortazavi/Desktop/image9.png supersample 3

> save /Users/shirinmortazavi/Desktop/image10.png supersample 3

> save /Users/shirinmortazavi/Desktop/image11.png supersample 3

> volume #9 level 0.647

> save /Users/shirinmortazavi/Desktop/image12.png supersample 3

> volume #7 transparency 0.7

> volume #9 transparency 0.7

> volume #9 transparency 0

> volume #7 transparency 0

> volume #6 transparency 0.7

> save /Users/shirinmortazavi/Desktop/image13.png supersample 3

> save /Users/shirinmortazavi/Desktop/image14.png supersample 3

> lighting soft

> lighting shadows true intensity 0.5

> lighting full

> lighting shadows false

> lighting shadows true

> lighting shadows false

> lighting shadows true

> graphics silhouettes false

> lighting shadows false

> graphics silhouettes true

> lighting simple

> lighting shadows true

> lighting shadows false

> lighting shadows true

> lighting shadows false

> graphics silhouettes false

> graphics silhouettes true

> save /Users/shirinmortazavi/Desktop/image15.png supersample 3

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0120_TRAM34/Kv1.2-KCa31-TRAM-34_Wulff.pdb

Summary of feedback from opening <_io.textiowrapper
name="/Users/shirinmortazavi/Documents/cryo-
EM/SM0120_TRAM34/Kv1.2-KCa31-TRAM-34_Wulff.pdb" mode="rt" encoding="utf-8">  
---  
warning | Ignored bad PDB record found on line 6114  
END  
  
Chain information for Kv1.2-KCa31-TRAM-34_Wulff.pdb #10  
---  
Chain | Description  
A B C D | No description available  
  

> set bgColor black

> toolshed show "Side View"

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0120_TRAM34/TRAM34_dockingposition_in_Kv1.2.pdb

> close #10

> set bgColor white

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/cryosparc_P22_J2051_006_volume_map_sharp.mrc

Opened cryosparc_P22_J2051_006_volume_map_sharp.mrc, grid size 256,256,256,
pixel 1.23, shown at level 0.17, step 1, values float32  

> volume #2 level 0.4986

> volume #10 level 0.5825

> hide #!7 models

> close #8

> close #2

> close #4

> close #1

> close #7

> close #3

> ui mousemode rightMode pivot

> ui mousemode rightMode zoom

> toolshed show "Map Coordinates"

> molmap #11 4

> volume #1 color #ffff66

> volume #1 color #ffff0a

> volume #1 color #21ff06

> volume #1 color #66ff66

> volume #1 level 0.01452

> volume #10 level -0.9451

> volume #1 level 0

> volume #10 level 0.1614

> volume #10 level 0.2377

> select #1

4 models selected  

> ui mousemode rightMode translate

> select #11

42 atoms, 45 bonds, 1 model selected  

> select #1

4 models selected  

> ui mousemode rightMode translate

> ui mousemode rightMode "translate selected models"

> volume #1 level 0.2952

> volume #1 level 0.3048

> ui mousemode rightMode zoom

> ui mousemode rightMode "translate selected models"

> volume #10 level 1.276

> ui mousemode rightMode zoom

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode translate

> ui mousemode rightMode rotate

> ui mousemode rightMode zoom

> volume #10 level 1.016

> select #11

42 atoms, 45 bonds, 1 model selected  

> ui mousemode rightMode "translate selected models"

> volume #10 level 0.6269

> ui mousemode rightMode zoom

> ui mousemode rightMode "translate selected models"

> ~select #11

Nothing selected  

> ui mousemode rightMode zoom

> open 6cnn

6cnn title:  
Cryo-EM structure of the human SK4/calmodulin channel complex in the Ca2+
bound state I [more info...]  
  
Chain information for 6cnn #1  
---  
Chain | Description  
A B C D | Intermediate conductance calcium-activated potassium channel protein
4  
E F G H | Calmodulin-1  
  
Non-standard residues in 6cnn #1  
---  
CA — calcium ion  
K — potassium ion  
LMT — dodecyl-β-D-maltoside  
POV — (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl
2-(trimethylammonio)ethyl phosphate (POPC)  
  
  

> show cartoons

> hide atoms

> select #1

15740 atoms, 16004 bonds, 120 pseudobonds, 3 models selected  

> ui mousemode rightMode rotate

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode translate

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode zoom

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> toolshed show "Fit in Map"

Fit molecule 6cnn (#1) to map cryosparc_P22_J2051_006_volume_map_sharp.mrc
(#10) using 15740 atoms  
average map value = 0.5517, steps = 92  
shifted from previous position = 7.34  
rotated from previous position = 11.4 degrees  
atoms outside contour = 8931, contour level = 0.62692  
  
Position of 6cnn (#1) relative to cryosparc_P22_J2051_006_volume_map_sharp.mrc
(#10) coordinates:  
Matrix rotation and translation  
-0.00260445 0.99998876 -0.00395907 3.19825843  
0.99998910 0.00258908 -0.00388288 2.99397884  
-0.00387259 -0.00396914 -0.99998462 313.41629416  
Axis -0.70618940 -0.70801730 0.00283433  
Axis point 0.09924564 0.00000000 156.71415563  
Rotation angle (degrees) 179.99650077  
Shift along axis -3.49004125  
  
Fit molecule 6cnn (#1) to map cryosparc_P22_J2051_006_volume_map_sharp.mrc
(#10) using 15740 atoms  
average map value = 0.5517, steps = 40  
shifted from previous position = 0.00841  
rotated from previous position = 0.0177 degrees  
atoms outside contour = 8936, contour level = 0.62692  
  
Position of 6cnn (#1) relative to cryosparc_P22_J2051_006_volume_map_sharp.mrc
(#10) coordinates:  
Matrix rotation and translation  
-0.00251755 0.99998929 -0.00387866 3.16791249  
0.99999039 0.00250360 -0.00359674 2.96305596  
-0.00358699 -0.00388767 -0.99998600 313.35416659  
Axis -0.70621733 -0.70799012 0.00266116  
Axis point 0.08334543 0.00000000 156.68270257  
Rotation angle (degrees) 179.98819803  
Shift along axis -3.50116329  
  
Fit molecule 6cnn (#1) to map cryosparc_P22_J2051_006_volume_map_sharp.mrc
(#10) using 15740 atoms  
average map value = 0.5517, steps = 48  
shifted from previous position = 0.0205  
rotated from previous position = 0.0206 degrees  
atoms outside contour = 8932, contour level = 0.62692  
  
Position of 6cnn (#1) relative to cryosparc_P22_J2051_006_volume_map_sharp.mrc
(#10) coordinates:  
Matrix rotation and translation  
-0.00248954 0.99998806 -0.00420148 3.22549746  
0.99998989 0.00247378 -0.00375197 2.99865854  
-0.00374153 -0.00421078 -0.99998413 313.41794072  
Axis -0.70622679 -0.70798005 0.00282340  
Axis point 0.08118154 0.00000000 156.71503480  
Rotation angle (degrees) 179.98138875  
Shift along axis -3.51601737  
  

Missing or invalid "atoms" argument: invalid atoms specifier  

> molmap #1 6

> ui mousemode rightMode zoom

> undo

> undo

> volume #2 level 0.4495

> hide #11 models

> show #11 models

> hide #11 models

> select #11

42 atoms, 45 bonds, 1 model selected  

> show #11 models

> hide #!1 models

> hide #11 models

> show #11 models

> show #11 target m

> set bgColor black

> set bgColor white

> molmap #11 5

> volume #2 level 0.3272

> ~select #11

Nothing selected  

> show #11 atoms

> color #11 byhetero

> color #11 byhetero

> molmap #11 6

> molmap #11 5

> molmap #11 6

> volume #2 level 0.07118

> toolshed show "Map Coordinates"

> volume #2 level 0.4781

> volume #2 level 0.3061

> volume #2 level 0.4288

> lighting simple

> lighting shadows true

> lighting shadows false

> graphics silhouettes false

> graphics silhouettes true

> lighting full

> lighting full

> lighting shadows false

> lighting simple

> graphics silhouettes false

> volume #2 level 0.2036

> volume #10 level 0.3507

> volume #10 level 0.3238

> volume #10 level 0.189

> volume #10 level 0.4383

> open2 /Users/shirinmortazavi/Documents/cryo-EM/SM0120_TRAM34/O1_T34.pdb

Summary of feedback from opening <_io.textiowrapper
name="/Users/shirinmortazavi/Documents/cryo-EM/SM0120_TRAM34/O1_T34.pdb"
mode="rt" encoding="utf-8">  
---  
warnings | Ignored bad PDB record found on line 32467  
Transform_accept_ratio 0.594  
  
Ignored bad PDB record found on line 32468  
if_X_angle_constraint 0  
  
Ignored bad PDB record found on line 32469  
if_X_atom_pair_constraint 0  
  
Ignored bad PDB record found on line 32470  
if_X_chainbreak 0  
  
Ignored bad PDB record found on line 32471  
if_X_coordinate_constraint 0  
  
31 messages similar to the above omitted  
  
Chain information for O1_T34.pdb #3  
---  
Chain | Description  
A B C D | No description available  
E F G H | No description available  
  

> hide #11#!3 atoms

> show #11#!3 cartoons

> select #3

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ~select #3

Nothing selected  

> ui mousemode rightMode zoom

> toolshed show "Fit in Map"

Fit molecule O1_T34.pdb (#3) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 32414 atoms  
average map value = 0.4193, steps = 108  
shifted from previous position = 10.1  
rotated from previous position = 9.43 degrees  
atoms outside contour = 18863, contour level = 0.43829  
  
Position of O1_T34.pdb (#3) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.00373250 0.99998421 -0.00419925 3.41400431  
0.99998707 0.00371795 -0.00346681 2.75398645  
-0.00345114 -0.00421214 -0.99998516 313.33347555  
Axis -0.70579006 -0.70841590 0.00270441  
Axis point 0.27672610 0.00000000 156.67216864  
Rotation angle (degrees) 179.96974718  
Shift along axis -3.51315529  
  
Fit molecule O1_T34.pdb (#3) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 32414 atoms  
average map value = 0.4193, steps = 48  
shifted from previous position = 0.0197  
rotated from previous position = 0.0145 degrees  
atoms outside contour = 18865, contour level = 0.43829  
  
Position of O1_T34.pdb (#3) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.00396554 0.99998326 -0.00421307 3.45078661  
0.99998582 0.00395052 -0.00356712 2.73240630  
-0.00355042 -0.00422716 -0.99998475 313.37072137  
Axis -0.70570805 -0.70849744 0.00274409  
Axis point 0.31285671 0.00000000 156.69081268  
Rotation angle (degrees) 179.97320569  
Shift along axis -3.51123383  
  
Fit molecule O1_T34.pdb (#3) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 32414 atoms  
average map value = 0.4193, steps = 60  
shifted from previous position = 0.0214  
rotated from previous position = 0.0156 degrees  
atoms outside contour = 18863, contour level = 0.43829  
  
Position of O1_T34.pdb (#3) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.00374264 0.99998418 -0.00419816 3.41437367  
0.99998612 0.00372702 -0.00372077 2.78351849  
-0.00370507 -0.00421203 -0.99998426 313.37143815  
Axis -0.70578864 -0.70841697 0.00279115  
Axis point 0.28210254 0.00000000 156.69131793  
Rotation angle (degrees) 179.98005970  
Shift along axis -3.50705021  
  

> hide #!10 models

> show #!10 models

> hide #!10 models

> show #!10 models

> volume #10 transparency 0.5

> volume #10 transparency 0.7

> volume #10 transparency 0.6

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0120_TRAM34/O1_T34_HB278.pdb

Summary of feedback from opening <_io.textiowrapper
name="/Users/shirinmortazavi/Documents/cryo-EM/SM0120_TRAM34/O1_T34_HB278.pdb"
mode="rt" encoding="utf-8">  
---  
warnings | Ignored bad PDB record found on line 32467  
Transform_accept_ratio 0.614  
  
Ignored bad PDB record found on line 32468  
if_X_angle_constraint 0  
  
Ignored bad PDB record found on line 32469  
if_X_atom_pair_constraint 0  
  
Ignored bad PDB record found on line 32470  
if_X_chainbreak 0  
  
Ignored bad PDB record found on line 32471  
if_X_coordinate_constraint 0  
  
31 messages similar to the above omitted  
  
Chain information for O1_T34_HB278.pdb #4  
---  
Chain | Description  
A B C D | No description available  
E F G H | No description available  
  

> hide #11#!3-4 atoms

> show #11#!3-4 cartoons

> select #4

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

Fit molecule O1_T34_HB278.pdb (#4) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 32414 atoms  
average map value = 0.4193, steps = 120  
shifted from previous position = 4.79  
rotated from previous position = 5.96 degrees  
atoms outside contour = 18853, contour level = 0.43829  
  
Position of O1_T34_HB278.pdb (#4) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.00399729 0.99998322 -0.00418927 3.44809573  
0.99998556 0.00398220 -0.00360470 2.72823848  
-0.00358795 -0.00420362 -0.99998472 313.37368798  
Axis -0.70569115 -0.70851421 0.00275976  
Axis point 0.31843990 0.00000000 156.69230373  
Rotation angle (degrees) 179.97568632  
Shift along axis -3.50145123  
  
Fit molecule O1_T34_HB278.pdb (#4) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 32414 atoms  
average map value = 0.4193, steps = 44  
shifted from previous position = 0.012  
rotated from previous position = 0.0213 degrees  
atoms outside contour = 18850, contour level = 0.43829  
  
Position of O1_T34_HB278.pdb (#4) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.00379538 0.99998450 -0.00406891 3.40128458  
0.99998527 0.00377955 -0.00389148 2.81201680  
-0.00387605 -0.00408362 -0.99998414 313.39927313  
Axis -0.70576068 -0.70844468 0.00282860  
Axis point 0.28490638 0.00000000 156.70529483  
Rotation angle (degrees) 179.99220103  
Shift along axis -3.50617144  
  

> hide #!3 models

> ~select #4

Nothing selected  

> ui mousemode rightMode translate

> ui mousemode rightMode zoom

> hide #!10 models

> show #!10 models

> hide #11 models

> show #11 models

> hide #11 models

> hide #!10 models

> show #!10 models

> hide #!10 models

> show #!10 models

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0120_TRAM34/O1_T34_hb278_1to296_alignedto_6cnn_1to296.pdb

Summary of feedback from opening <_io.textiowrapper
name="/Users/shirinmortazavi/Documents/cryo-
EM/SM0120_TRAM34/O1_T34_hb278_1to296_alignedto_6cnn_1to296.pdb" mode="rt"
encoding="utf-8">  
---  
warnings | Start residue of secondary structure not found: HELIX 51 51 GLU E 6
LEU E 18 1 13  
Start residue of secondary structure not found: HELIX 52 52 THR E 29 SER E 38
1 10  
Start residue of secondary structure not found: HELIX 53 53 GLU E 45 ASN E 53
1 9  
Start residue of secondary structure not found: HELIX 54 54 PHE E 65 LYS E 75
1 11  
Start residue of secondary structure not found: HELIX 55 55 GLU E 83 PHE E 92
1 10  
35 messages similar to the above omitted  
  
Chain information for O1_T34_hb278_1to296_alignedto_6cnn_1to296.pdb #7  
---  
Chain | Description  
A B C D | No description available  
  

> select #7

23494 atoms, 23733 bonds, 8 pseudobonds, 2 models selected  

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> close #7

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0120_TRAM34/Kv1.2-KCa31-TRAM-34_Wulff.pdb

Summary of feedback from opening <_io.textiowrapper
name="/Users/shirinmortazavi/Documents/cryo-
EM/SM0120_TRAM34/Kv1.2-KCa31-TRAM-34_Wulff.pdb" mode="rt" encoding="utf-8">  
---  
warning | Ignored bad PDB record found on line 6114  
END  
  
Chain information for Kv1.2-KCa31-TRAM-34_Wulff.pdb #7  
---  
Chain | Description  
A B C D | No description available  
  

> select #7

6055 atoms, 6126 bonds, 1 model selected  

> ~select #7

Nothing selected  

> ui mousemode rightMode translate

> ui mousemode rightMode zoom

> hide #7 models

> show #7 models

> select #7

6055 atoms, 6126 bonds, 1 model selected  

> ~select #7

Nothing selected  

> select #7

6055 atoms, 6126 bonds, 1 model selected  

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode zoom

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode zoom

> hide #!10 models

> show #!3 models

> hide #!3 models

> show #!3 models

> hide #!3 models

> hide #!4 models

> show #!4 models

> hide #!4 models

> show #!4 models

> hide #!4 models

> show #!4 models

> hide #!4 models

> show #!4 models

> toolshed show "Fit to Segments"

> select #4

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  
Density map not found or not selected  
Density map not found or not selected  

> toolshed show "Fit in Map"

Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5305, steps = 108  
shifted from previous position = 2.09  
rotated from previous position = 15 degrees  
atoms outside contour = 3052, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93046748 0.36632247 -0.00617313 131.30923161  
0.36635074 0.93046691 -0.00429511 90.96138457  
0.00417050 -0.00625799 -0.99997171 318.19472016  
Axis -0.18643919 -0.98246283 0.00268546  
Axis point 56.59723434 0.00000000 159.36935116  
Rotation angle (degrees) 179.69838592  
Shift along axis -112.99286627  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5305, steps = 44  
shifted from previous position = 0.0131  
rotated from previous position = 0.0279 degrees  
atoms outside contour = 3050, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93039635 0.36650596 -0.00600036 131.26038688  
0.36653476 0.93039246 -0.00470374 91.04709437  
0.00385874 -0.00657569 -0.99997093 318.21572653  
Axis -0.18653619 -0.98244390 0.00287035  
Axis point 56.57993447 0.00000000 159.38154583  
Rotation angle (degrees) 179.71250895  
Shift along axis -113.02008511  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5305, steps = 64  
shifted from previous position = 0.00532  
rotated from previous position = 0.00833 degrees  
atoms outside contour = 3051, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93040998 0.36646908 -0.00613647 131.28998575  
0.36649892 0.93040641 -0.00473683 91.04878307  
0.00397351 -0.00665620 -0.99996994 318.21928166  
Axis -0.18651707 -0.98244744 0.00289924  
Axis point 56.58513543 0.00000000 159.38828566  
Rotation angle (degrees) 179.70519468  
Shift along axis -113.01587234  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5305, steps = 60  
shifted from previous position = 0.00756  
rotated from previous position = 0.00592 degrees  
atoms outside contour = 3047, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93039214 0.36651306 -0.00621482 131.30163669  
0.36654322 0.93038920 -0.00468877 91.04639919  
0.00406371 -0.00664040 -0.99996969 318.22396196  
Axis -0.18654041 -0.98244306 0.00288300  
Axis point 56.58310595 0.00000000 159.39228760  
Rotation angle (degrees) 179.70027822  
Shift along axis -113.02352313  
  

> hide #7 models

> show #7 models

> show #!3 models

> hide #!3 models

> hide #!4 models

> show #!3 models

> hide #!3 models

> show #!3 models

> hide #!3 models

> hide #7 models

> show #7 models

> show #!3 models

> hide #7 models

> show #!4 models

> hide #!4 models

> hide #!3 models

> show #!3 models

> hide #!3 models

> show #7 models

> show #!10 models

> select #7

6055 atoms, 6126 bonds, 1 model selected  

> select ligand

434 atoms, 443 bonds, 4 models selected  

Expected an objects specifier or a keyword  

Expected a collection of one of 'All', 'atoms', 'bonds', 'cartoons', 'labels',
'pseudobonds', 'ribbons', 'rings', or 'surfaces' or a keyword  

Expected a collection of one of 'All', 'atoms', 'bonds', 'cartoons', 'labels',
'pseudobonds', 'ribbons', 'rings', or 'surfaces' or a keyword  

> color sel byhetero

> color sel bychain

> color sel byhetero

> select #7

6055 atoms, 6126 bonds, 1 model selected  

> ~select #7

Nothing selected  

> toolshed show "Fit in Map"

Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5306, steps = 48  
shifted from previous position = 0.0254  
rotated from previous position = 0.035 degrees  
atoms outside contour = 3050, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93020954 0.36697679 -0.00618308 131.26891174  
0.36700529 0.93020875 -0.00433417 90.98490337  
0.00416102 -0.00630091 -0.99997148 318.21967005  
Axis -0.18678474 -0.98239714 0.00270650  
Axis point 56.55815074 0.00000000 159.38274891  
Rotation angle (degrees) 179.69835214  
Shift along axis -113.04107596  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5306, steps = 48  
shifted from previous position = 0.0055  
rotated from previous position = 0.0128 degrees  
atoms outside contour = 3048, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93025945 0.36685321 -0.00600446 131.24272482  
0.36688066 0.93025782 -0.00435225 90.98459548  
0.00398906 -0.00625164 -0.99997249 318.21381467  
Axis -0.18671912 -0.98240963 0.00269854  
Axis point 56.56271840 0.00000000 159.37442290  
Rotation angle (degrees) 179.70857936  
Shift along axis -113.03095734  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5305, steps = 48  
shifted from previous position = 0.0211  
rotated from previous position = 0.0431 degrees  
atoms outside contour = 3053, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93046360 0.36632774 -0.00643951 131.35197701  
0.36635689 0.93046530 -0.00411593 90.93190900  
0.00448396 -0.00618888 -0.99997079 318.18812913  
Axis -0.18644233 -0.98246241 0.00262228  
Axis point 56.59735733 0.00000000 159.37143011  
Rotation angle (degrees) 179.68147791  
Shift along axis -112.99237162  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5305, steps = 64  
shifted from previous position = 0.00401  
rotated from previous position = 0.02 degrees  
atoms outside contour = 3050, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93045928 0.36634463 -0.00609329 131.29266348  
0.36637181 0.93045927 -0.00415164 90.93492084  
0.00414862 -0.00609534 -0.99997281 318.17974298  
Axis -0.18645053 -0.98246089 0.00260757  
Axis point 56.59514496 0.00000000 159.35674730  
Rotation angle (degrees) 179.70135157  
Shift along axis -112.98991334  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5305, steps = 60  
shifted from previous position = 0.00615  
rotated from previous position = 0.0159 degrees  
atoms outside contour = 3051, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93040874 0.36646904 -0.00632496 131.32392496  
0.36649731 0.93041018 -0.00407560 90.93166505  
0.00439123 -0.00611005 -0.99997168 318.18057714  
Axis -0.18651662 -0.98244839 0.00259200  
Axis point 56.58834472 0.00000000 159.36324413  
Rotation angle (degrees) 179.68751750  
Shift along axis -113.00503936  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5306, steps = 60  
shifted from previous position = 0.0216  
rotated from previous position = 0.0327 degrees  
atoms outside contour = 3043, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93028961 0.36677542 -0.00608370 131.26533458  
0.36680385 0.93028754 -0.00447310 91.00548779  
0.00401896 -0.00639280 -0.99997148 318.22192595  
Axis -0.18667836 -0.98241719 0.00276519  
Axis point 56.56947556 0.00000000 159.38318402  
Rotation angle (degrees) 179.70539902  
Shift along axis -113.02980947  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5305, steps = 64  
shifted from previous position = 0.0184  
rotated from previous position = 0.0302 degrees  
atoms outside contour = 3045, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93047737 0.36629837 -0.00611170 131.30116120  
0.36632748 0.93047464 -0.00459518 91.01205272  
0.00400358 -0.00651459 -0.99997076 318.21246242  
Axis -0.18642671 -0.98246480 0.00282711  
Axis point 56.59836325 0.00000000 159.38158235  
Rotation angle (degrees) 179.70504507  
Shift along axis -112.99455954  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5306, steps = 60  
shifted from previous position = 0.0195  
rotated from previous position = 0.0196 degrees  
atoms outside contour = 3044, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93035431 0.36661183 -0.00605081 131.26846757  
0.36664061 0.93035120 -0.00461429 91.02480731  
0.00393773 -0.00651140 -0.99997104 318.23176108  
Axis -0.18659209 -0.98243340 0.00283125  
Axis point 56.57804513 0.00000000 159.38957348  
Rotation angle (degrees) 179.70873155  
Shift along axis -113.01847385  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5305, steps = 64  
shifted from previous position = 0.0208  
rotated from previous position = 0.0246 degrees  
atoms outside contour = 3051, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93048537 0.36627529 -0.00627451 131.32637108  
0.36630532 0.93048353 -0.00456037 91.01062330  
0.00416798 -0.00654175 -0.99996991 318.21388540  
Axis -0.18641485 -0.98246706 0.00282516  
Axis point 56.59817549 0.00000000 159.38690668  
Rotation angle (degrees) 179.69550455  
Shift along axis -112.99712144  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5306, steps = 76  
shifted from previous position = 0.0183  
rotated from previous position = 0.0206 degrees  
atoms outside contour = 3044, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93036880 0.36657403 -0.00611199 131.28095716  
0.36660307 0.93036616 -0.00457966 91.02002078  
0.00400760 -0.00650145 -0.99997083 318.22894415  
Axis -0.18657223 -0.98243720 0.00281990  
Axis point 56.58030013 0.00000000 159.38952011  
Rotation angle (degrees) 179.70491130  
Shift along axis -113.01746161  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5305, steps = 64  
shifted from previous position = 0.018  
rotated from previous position = 0.0364 degrees  
atoms outside contour = 3050, contour level = 0.43829  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93047597 0.36629720 -0.00638787 131.34631555  
0.36632593 0.93047759 -0.00409196 90.93075670  
0.00444490 -0.00614752 -0.99997122 318.18565209  
Axis -0.18642606 -0.98246554 0.00260565  
Axis point 56.59916614 0.00000000 159.36811791  
Rotation angle (degrees) 179.68412371  
Shift along axis -112.99363048  
  

> volume #10 level 0.3086

> volume #10 level 0.2704

> volume #10 transparency 0.4

> volume #10 transparency 0.3

> show #11 models

> hide #11 models

> show #11 models

> hide #11 models

> show #11 models

> hide #11 models

> show #11 models

> hide #11 models

> set bgColor black

> select #11

42 atoms, 45 bonds, 1 model selected  

> show #11 models

> hide #7 models

> hide #!10 models

> show #!10 models

> show #7 models

> close #11

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0120_TRAM34/TRAM34_dockingposition_in_Kv1.2.pdb

> hide #7 models

> show #7 models

> set bgColor white

> set bgColor black

> volume #10 level 0.5528

> ui mousemode rightMode "translate selected models"

> select #8

42 atoms, 45 bonds, 1 model selected  

> ui mousemode rightMode zoom

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode zoom

> hide (sel-residues & (protein|nucleic)) target a

> cartoon hide sel-residues

> show (sel-residues & backbone) target ab

> nucleotides sel atoms

> style nucleic & sel stick

Changed 0 atom styles  

> hide (sel-residues & (protein|nucleic)) target a

> cartoon hide sel-residues

> show (sel-residues & ((protein&@ca)|(nucleic&@p))) target ab

> select H

35792 atoms, 4 models selected  

> select #7

6055 atoms, 6126 bonds, 1 model selected  

> select #8

42 atoms, 45 bonds, 1 model selected  

> select #7

6055 atoms, 6126 bonds, 1 model selected  

> select #8

42 atoms, 45 bonds, 1 model selected  

> select #7

6055 atoms, 6126 bonds, 1 model selected  

> select #8

42 atoms, 45 bonds, 1 model selected  

> select #7

6055 atoms, 6126 bonds, 1 model selected  

> select H

35792 atoms, 4 models selected  

> hide sel target a

> select #8

42 atoms, 45 bonds, 1 model selected  

> hide #8 models

> ~select #8

Nothing selected  

> show #8 models

> hide #8 models

> show #8 models

> hide #8 models

> select #7 /a,b,c,d:250

56 atoms, 52 bonds, 1 model selected  

> color sel byhetero

> ~select #7 /a,b,c,d:250

Nothing selected  

> volume #10 level 0.3849

Missing or invalid "filename" argument: Expected a file name  
No help found for 'help:user/commands/open.htmlpubchem'  

> open 679 pubchem

Missing filename suffix 679  

> open 75151 pubchem

Missing filename suffix 75151  

> open 75151 fromDatabase pubchem

Summary of feedback from opening 75151 fetched from pubchem  
---  
note | Fetching compressed PubChem 75151 from
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/75151/SDF?record_type=3d  
  
PubChem entry 75151  
  
  

> hide #7 models

> ui mousemode rightMode "translate selected models"

> select #11

10 atoms, 9 bonds, 1 model selected  

> ~select #11

Nothing selected  

> ui mousemode rightMode zoom

> select #11

10 atoms, 9 bonds, 1 model selected  

> select H

35798 atoms, 5 models selected  

> hide sel target a

> show #7 models

> ui mousemode rightMode "translate selected models"

> select #11

10 atoms, 9 bonds, 1 model selected  

> ~select #11

Nothing selected  

> ui mousemode rightMode translate

> ui mousemode rightMode zoom

> toolshed show "Fit in Map"

Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5305, steps = 84  
shifted from previous position = 0.00235  
rotated from previous position = 0.0115 degrees  
atoms outside contour = 2832, contour level = 0.38488  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93045997 0.36634087 -0.00621198 131.31556740  
0.36636816 0.93046134 -0.00400717 90.91759804  
0.00431202 -0.00600439 -0.99997267 318.17455490  
Axis -0.18644862 -0.98246141 0.00254766  
Axis point 56.59671562 0.00000000 159.35541483  
Rotation angle (degrees) 179.69312590  
Shift along axis -112.99603633  
  
Fit molecule Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 6055 atoms  
average map value = 0.5306, steps = 56  
shifted from previous position = 0.016  
rotated from previous position = 0.019 degrees  
atoms outside contour = 2831, contour level = 0.38488  
  
Position of Kv1.2-KCa31-TRAM-34_Wulff.pdb (#7) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.93036770 0.36657480 -0.00623252 131.30174447  
0.36660313 0.93036784 -0.00422077 90.95824108  
0.00425131 -0.00621172 -0.99997166 318.20518653  
Axis -0.18657245 -0.98243762 0.00265484  
Axis point 56.58158442 0.00000000 159.37513908  
Rotation angle (degrees) 179.69429005  
Shift along axis -113.01330171  
  

> volume #10 level 0.2551

> volume #10 level 0.6138

> hide #11 models

> show #11 models

> hide #11 models

> show #11 models

> hide #11 models

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/cryosparc_P22_J2142_006_volume_map_sharp.mrc

Opened cryosparc_P22_J2142_006_volume_map_sharp.mrc, grid size 256,256,256,
pixel 1.23, shown at level 0.163, step 1, values float32  

> volume #12 level 0.7562

> volume #12 level 0.6661

> volume #10 level 0.6367

> volume #10 level 0.5451

> volume #10 level 0.652

> toolshed show "Fit in Map"

Fit map cryosparc_P22_J2142_006_volume_map_sharp.mrc in map
cryosparc_P22_J2051_006_volume_map_sharp.mrc using 36785 points  
correlation = 0.9951, correlation about mean = 0.9464, overlap = 4.432e+04  
steps = 44, shift = 0.0238, angle = 0.0617 degrees  
  
Position of cryosparc_P22_J2142_006_volume_map_sharp.mrc (#12) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
0.99999945 0.00104664 -0.00009436 -0.16481899  
-0.00104662 0.99999942 0.00023612 0.12215815  
0.00009461 -0.00023602 0.99999997 0.04019466  
Axis -0.21917592 -0.08772519 -0.97173361  
Axis point 115.48470284 160.39383882 0.00000000  
Rotation angle (degrees) 0.06171180  
Shift along axis -0.01365050  
  
Fit map cryosparc_P22_J2142_006_volume_map_sharp.mrc in map
cryosparc_P22_J2051_006_volume_map_sharp.mrc using 36785 points  
correlation = 0.9951, correlation about mean = 0.9463, overlap = 4.426e+04  
steps = 40, shift = 0.0272, angle = 0.0168 degrees  
  
Position of cryosparc_P22_J2142_006_volume_map_sharp.mrc (#12) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
0.99999967 0.00080556 -0.00014088 -0.12152373  
-0.00080550 0.99999960 0.00039785 0.08124985  
0.00014120 -0.00039774 0.99999991 0.07325534  
Axis -0.43742403 -0.15508838 -0.88578090  
Axis point 96.10160723 164.10868689 0.00000000  
Rotation angle (degrees) 0.05210487  
Shift along axis -0.02433169  
  

> hide #7 models

> volume #12 level 0.4107

> volume #12 level 0.7262

> volume #10 level 0.7283

> volume #12 level 0.4858

> volume #10 level 0.6596

> volume #10 level 0.4688

> lighting simple

> lighting shadows true

> lighting shadows false

> graphics silhouettes true

> set bgColor white

> set bgColor black

> volume #10 level 0.5985

> graphics silhouettes false

> graphics silhouettes true

> volume #10 level 0.4459

> graphics silhouettes false

> volume #10 level 0.4154

> graphics silhouettes true

> volume #10 level 0.4154

> graphics silhouettes false

> volume #10 level 0.4154

> graphics silhouettes true

> graphics silhouettes false

> volume #10 level 0.3925

> graphics silhouettes true

> graphics silhouettes false

> volume #10 level 0.423

> graphics silhouettes true

> volume #10 level 0.4383

> volume #10 level 0.4536

> volume #10 level 0.5451

> volume #10 level 0.5375

> volume #12 level 0.5835

> volume #12 level 0.4708

> volume #12 level 0.4708

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0120_TRAM34/DockInMap_14/placed_model.pdb

Summary of feedback from opening <_io.textiowrapper
name="/Users/shirinmortazavi/Documents/cryo-
EM/SM0120_TRAM34/DockInMap_14/placed_model.pdb" mode="rt" encoding="utf-8">  
---  
warning | Ignored bad PDB record found on line 6065  
  
Chain information for placed_model.pdb #13  
---  
Chain | Description  
A B C D | No description available  
  

> ui mousemode rightMode translate

> ui mousemode rightMode zoom

> preset "overall look" interactive

Preset expands to these ChimeraX commands:

    
    
    ~set bg
    graphics silhouettes f

  

> lighting simple

> graphics silhouettes true

> graphics silhouettes false

> graphics silhouettes true

> lighting simple

> lighting full

> lighting full

> lighting full

> lighting shadows false

> lighting shadows true

> lighting simple

> lighting shadows true

> lighting shadows false

> lighting soft

> lighting full

> lighting shadows false

> lighting shadows true

> lighting shadows false

> lighting simple

> lighting flat

> lighting full

> set bgColor white

> set bgColor black

> set bgColor white

> set bgColor black

> lighting simple

> lighting simple

> lighting full

> lighting shadows false

> lighting shadows true

> lighting shadows false

> lighting simple

> show #7 models

> hide #7 models

> show #7 models

> hide #7 models

> show #7 models

> hide #7 models

> show #7 models

> hide #7 models

> show #7 models

> hide #7 models

> show #7 models

> hide #7 models

> show #7 models

> hide #7 models

> show #7 models

> hide #7 models

> show #7 models

> hide #13 models

> show #13 models

> hide #13 models

> show #13 models

> volume #10 level 0.2017

> volume #10 level 0.3391

> show #!4 models

> hide #!4 models

> show #!4 models

> toolshed show "Fit in Map"

Fit molecule O1_T34_HB278.pdb (#4) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 32414 atoms  
average map value = 0.4193, steps = 64  
shifted from previous position = 0.0229  
rotated from previous position = 0.0269 degrees  
atoms outside contour = 17053, contour level = 0.33909  
  
Position of O1_T34_HB278.pdb (#4) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.00356195 0.99998463 -0.00424610 3.39117534  
0.99998749 0.00354700 -0.00352422 2.78838865  
-0.00350910 -0.00425860 -0.99998476 313.34803499  
Axis -0.70584552 -0.70836046 0.00275051  
Axis point 0.24881144 0.00000000 156.67959919  
Rotation angle (degrees) 179.97019394  
Shift along axis -3.50696172  
  
Fit molecule O1_T34_HB278.pdb (#4) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 32414 atoms  
average map value = 0.4193, steps = 48  
shifted from previous position = 0.0198  
rotated from previous position = 0.0164 degrees  
atoms outside contour = 17063, contour level = 0.33909  
  
Position of O1_T34_HB278.pdb (#4) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.00380339 0.99998403 -0.00417686 3.41847866  
0.99998611 0.00378810 -0.00366193 2.77462426  
-0.00364605 -0.00419072 -0.99998456 313.37809900  
Axis -0.70575971 -0.70844585 0.00277628  
Axis point 0.28575740 0.00000000 156.69461074  
Rotation angle (degrees) 179.97853548  
Shift along axis -3.50827000  
  
Fit molecule O1_T34.pdb (#3) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 32414 atoms  
average map value = 0.4193, steps = 64  
shifted from previous position = 0.024  
rotated from previous position = 0.000536 degrees  
atoms outside contour = 17067, contour level = 0.33909  
  
Position of O1_T34.pdb (#3) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.00374769 0.99998419 -0.00419028 3.41326140  
0.99998610 0.00373211 -0.00372105 2.77930930  
-0.00370536 -0.00420418 -0.99998429 313.39398090  
Axis -0.70578695 -0.70841866 0.00278833  
Axis point 0.28428441 0.00000000 156.70257368  
Rotation angle (degrees) 179.98038984  
Shift along axis -3.50410299  
  
Fit molecule O1_T34.pdb (#3) to map
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) using 32414 atoms  
average map value = 0.4193, steps = 64  
shifted from previous position = 0.0234  
rotated from previous position = 0.0152 degrees  
atoms outside contour = 17057, contour level = 0.33909  
  
Position of O1_T34.pdb (#3) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
-0.00363636 0.99998506 -0.00407937 3.38068224  
0.99998728 0.00362206 -0.00350772 2.77253865  
-0.00349290 -0.00409208 -0.99998552 313.32154539  
Axis -0.70582527 -0.70838093 0.00267510  
Axis point 0.26329833 0.00000000 156.66613950  
Rotation angle (degrees) 179.97628231  
Shift along axis -3.51201755  
  

> show #!3 models

> hide #!3 models

> show #!3 models

> hide #!3 models

> hide #!4 models

> show #!3 models

> hide #!3 models

> show #!3 models

> hide #!3 models

> show #!3 models

> hide #!3 models

> close #4

> close #3

> close #9

> close #6

> show #8 models

> hide #8 models

> show #!2 models

> hide #!2 models

> show #!2 models

> hide #!2 models

> close #2

> open2 /Users/shirinmortazavi/Documents/cryo-EM/SM0121_TRAM34_2/O1_T34.pdb

Summary of feedback from opening <_io.textiowrapper
name="/Users/shirinmortazavi/Documents/cryo-EM/SM0121_TRAM34_2/O1_T34.pdb"
mode="rt" encoding="utf-8">  
---  
warnings | Ignored bad PDB record found on line 32467  
Transform_accept_ratio 0.594  
  
Ignored bad PDB record found on line 32468  
if_X_angle_constraint 0  
  
Ignored bad PDB record found on line 32469  
if_X_atom_pair_constraint 0  
  
Ignored bad PDB record found on line 32470  
if_X_chainbreak 0  
  
Ignored bad PDB record found on line 32471  
if_X_coordinate_constraint 0  
  
31 messages similar to the above omitted  
  
Chain information for O1_T34.pdb #2  
---  
Chain | Description  
A B C D | No description available  
E F G H | No description available  
  

> show #7,13#!2 cartoons

> hide #7,13#!2 atoms

> hide #7 models

> show #7 models

> hide #7 models

> show #7 models

> hide #7 models

> hide #!2 models

> show #!2 models

> hide #!2 models

> show #!2 models

> hide #!2 models

> show #!2 models

> select #2

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> select ligand

434 atoms, 443 bonds, 4 models selected  

> show sel target ab

> select H

22550 atoms, 5 models selected  

> select #8

42 atoms, 45 bonds, 1 model selected  

> select #7

6055 atoms, 6126 bonds, 1 model selected  

> select #2

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> select H

22550 atoms, 5 models selected  

> hide sel target a

> select #2

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> ~select #2

Nothing selected  

> hide #13 models

> show #13 models

> color #13#!2 byhetero

> select #13

6055 atoms, 6126 bonds, 1 model selected  

> color sel byhetero

> select ligand

434 atoms, 443 bonds, 4 models selected  

> color sel byhetero

> color sel bychain

> color sel byhetero

> undo

> undo

> select #13

6055 atoms, 6126 bonds, 1 model selected  

> ~select #13

Nothing selected  

> hide #!2 models

> volume #10 level 1.186

> volume #10 level 0.8351

> volume #10 level 0.6596

> volume #12 level 0.6886

> volume #10 level 0.6291

> close #1

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/DockInMap_15_O1_KCa3.1_TRAM34_rigidbody_in_2051_sharp/placed_model_O1_KCa3.1_T34_rigid_in_2051_sharp.pdb

Summary of feedback from opening <_io.textiowrapper
name="/Users/shirinmortazavi/Documents/cryo-
EM/SM0121_TRAM34_2/DockInMap_15_O1_KCa3.1_TRAM34_rigidbody_in_2051_sharp/placed_model_O1_KCa3.1_T34_rigid_in_2051_sharp.pdb"
mode="rt" encoding="utf-8">  
---  
warning | Ignored bad PDB record found on line 32428  
  
Chain information for placed_model_O1_KCa3.1_T34_rigid_in_2051_sharp.pdb #1  
---  
Chain | Description  
A B C D | No description available  
E F G H | No description available  
  

> show #13#!1 cartoons

> hide #13#!1 atoms

> select #13

6055 atoms, 6126 bonds, 1 model selected  

> hide #13 models

> close #13

> select #1

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> select ligand

126 atoms, 135 bonds, 3 models selected  

> show sel atoms

> select H

35798 atoms, 5 models selected  

> hide sel target a

> select #1

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> ~select #1

Nothing selected  

> select #1

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> ~select #1

Nothing selected  

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/DockInMap_16_O1_KCa3.1_TRAM34_HB278_rigidbody_in_2051_sharp/placed_model_O1_KCa3.1_TRAM34_HB278_rigid_in_2051_sharp.pdb

Summary of feedback from opening <_io.textiowrapper
name="/Users/shirinmortazavi/Documents/cryo-
EM/SM0121_TRAM34_2/DockInMap_16_O1_KCa3.1_TRAM34_HB278_rigidbody_in_2051_sharp/placed_model_O1_KCa3.1_TRAM34_HB278_rigid_in_2051_sharp.pdb"
mode="rt" encoding="utf-8">  
---  
warning | Ignored bad PDB record found on line 32428  
  
Chain information for
placed_model_O1_KCa3.1_TRAM34_HB278_rigid_in_2051_sharp.pdb #3  
---  
Chain | Description  
A B C D | No description available  
E F G H | No description available  
  

> hide #!1,3 atoms

> show #!1,3 cartoons

> close #2

> select #3

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> select ligand

126 atoms, 135 bonds, 3 models selected  

> show sel target ab

> select N

6132 atoms, 4 bonds, 4 models selected  

> select H

35798 atoms, 5 models selected  

> hide sel target a

> select ligand

126 atoms, 135 bonds, 3 models selected  

> color sel byhetero

> color sel byhetero

> hide #!3 models

> show #!3 models

> hide #!3 models

> show #!3 models

> color sel bychain

> undo

> color sel byhetero

> select #3

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> ~select #3

Nothing selected  

> select #3

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> select ligand

126 atoms, 135 bonds, 3 models selected  

> color sel byhetero

> color sel byhetero

> color sel byhetero

> select #3

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> ~select #3

Nothing selected  

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/DockInMap_17_O2_KCa3.1_TRAM34_rigidbody_in_2051_sharp/placed_model_O2_KCa3.1_TRAM34_rigid_in_2051_sharp.pdb

Summary of feedback from opening <_io.textiowrapper
name="/Users/shirinmortazavi/Documents/cryo-
EM/SM0121_TRAM34_2/DockInMap_17_O2_KCa3.1_TRAM34_rigidbody_in_2051_sharp/placed_model_O2_KCa3.1_TRAM34_rigid_in_2051_sharp.pdb"
mode="rt" encoding="utf-8">  
---  
warning | Ignored bad PDB record found on line 32428  
  
Chain information for placed_model_O2_KCa3.1_TRAM34_rigid_in_2051_sharp.pdb #2  
---  
Chain | Description  
A B C D | No description available  
E F G H | No description available  
  

> hide #!1-3 atoms

> show #!1-3 cartoons

> volume #10 level 1.14

> select #2

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> select ligand

168 atoms, 180 bonds, 4 models selected  

> show sel target ab

> select H

52139 atoms, 6 models selected  

> hide sel target a

> color sel byhetero

> color sel byhetero

> select #2

32414 atoms, 32701 bonds, 8 pseudobonds, 2 models selected  

> ~select #2

Nothing selected  

> volume #10 level 0.8046

> hide #!2 models

> volume #10 level 1.041

> volume #10 level 0.8275

> volume #10 level 0.7054

> volume #10 level 0.5299

> hide #!3 models

> hide #!1 models

> show #!2 models

> hide #!2 models

> show #!1 models

> show #!3 models

> hide #!3 models

> show #!3 models

> hide #!3 models

> show #!3 models

> hide #!3 models

> show #!3 models

> hide #!3 models

> show #!3 models

> hide #!3 models

> show #!3 models

> volume #10 level 0.3391

> show #11 models

> select #11

10 atoms, 9 bonds, 1 model selected  

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> volume #10 level 0.5604

> hide #!1 models

> hide #!3 models

> ui mousemode rightMode "translate selected atoms"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode zoom

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ui mousemode rightMode "translate selected models"

> ui mousemode rightMode "rotate selected models"

> ~select #11

Nothing selected  

> show #7 models

> hide #7 models

> show #7 models

> hide #7 models

> show #7 models

> hide #7 models

> show #7 models

> hide #7 models

> ui mousemode rightMode "translate selected models"

> select #11

10 atoms, 9 bonds, 1 model selected  

> volume #10 level 0.2933

> volume #12 level 0.4558

> volume #10 level 0.5375

> volume #10 level 0.5299

> volume #10 level 0.5451

> volume #10 level 0.5375

> volume #12 level 0.4483

> undo

> ~select #11

Nothing selected  

> volume #12 level 0.4633

> volume #12 level 0.4934

> volume #12 level 0.4633

> ui mousemode rightMode zoom

> molmap #11 4

Expected a keyword  

> molmap #11 4 cutoffRange 3

> molmap #11 4 cutoffRange 4

> molmap #11 4 cutoffRange 5

> molmap #11 4 cutoffRange 4

> molmap #11 4 cutoffRange 5

> molmap #11 4 cutoffRange 3

> molmap #11 4 cutoffRange 5

> molmap #11 4 onGrid #10

> volume #4 level 0.09668

> hide #!4 models

> show #!4 models

> hide #!4 models

> show #!4 models

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/cryosparc_P22_J2145_map_locres.mrc

Opened cryosparc_P22_J2145_map_locres.mrc, grid size 256,256,256, pixel 1.23,
shown at level 3.75, step 1, values float32  

> volume #10 level 1.545

> volume #10 level 0.6062

> toolshed show "Fit in Map"

Fit map cryosparc_P22_J2145_map_locres.mrc in map
cryosparc_P22_J2051_006_volume_map_sharp.mrc using 167735 points  
correlation = 0.6639, correlation about mean = -0.0393, overlap = 3.006e+05  
steps = 52, shift = 1.16, angle = 2.05 degrees  
  
Position of cryosparc_P22_J2145_map_locres.mrc (#5) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
0.99936584 0.03527935 0.00482592 -6.36493002  
-0.03529546 0.99937149 0.00329524 5.19416258  
-0.00470663 -0.00346349 0.99998293 2.43291390  
Axis -0.09448056 0.13325580 -0.98656795  
Axis point 148.02785744 186.03992728 0.00000000  
Rotation angle (degrees) 2.04978343  
Shift along axis -1.10672042  
  
Fit map cryosparc_P22_J2145_map_locres.mrc in map
cryosparc_P22_J2051_006_volume_map_sharp.mrc using 167735 points  
correlation = 0.6639, correlation about mean = -0.03927, overlap = 3.006e+05  
steps = 40, shift = 0.00471, angle = 0.00585 degrees  
  
Position of cryosparc_P22_J2145_map_locres.mrc (#5) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
0.99936549 0.03527564 0.00492368 -6.38291372  
-0.03529195 0.99937171 0.00326601 5.20043371  
-0.00480537 -0.00343771 0.99998255 2.44716833  
Axis -0.09369299 0.13597591 -0.98627186  
Axis point 148.30405178 186.55548370 0.00000000  
Rotation angle (degrees) 2.05018917  
Shift along axis -1.10840525  
  
Fit map cryosparc_P22_J2145_map_locres.mrc in map
cryosparc_P22_J2051_006_volume_map_sharp.mrc using 167735 points  
correlation = 0.664, correlation about mean = -0.03933, overlap = 3.006e+05  
steps = 40, shift = 0.011, angle = 0.00374 degrees  
  
Position of cryosparc_P22_J2145_map_locres.mrc (#5) relative to
cryosparc_P22_J2051_006_volume_map_sharp.mrc (#10) coordinates:  
Matrix rotation and translation  
0.99936411 0.03532047 0.00488301 -6.37519416  
-0.03533676 0.99937005 0.00329035 5.20051206  
-0.00476372 -0.00346080 0.99998266 2.43754587  
Axis -0.09424828 0.13467147 -0.98639792  
Axis point 148.05662576 186.10496414 0.00000000  
Rotation angle (degrees) 2.05253217  
Shift along axis -1.10317851  
  

> volume #5 level 3.677

> volume #10 level 0.6749

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/cryosparc_P22_J2051_006_volume_map_sharp.mrc

Opened cryosparc_P22_J2051_006_volume_map_sharp.mrc, grid size 256,256,256,
pixel 1.23, shown at level 0.17, step 1, values float32  

> volume #6 level 0.5673

> volume #10 level 0.5909

> volume #10 level 0.5757

> volume #6 level 0.552

> volume #10 level 0.5222

> volume #10 level 0.8122

> hide #11 models

> volume #10 level 0.4536

> volume #10 level 0.5299

> volume #10 level 0.7206

> volume #10 level 0.8733

> toolshed show "Measure and Color Blobs"

> toolshed show Shell

Missing or invalid "surfaces" argument: empty atom specifier  

Unknown command: local resolution  

> color sample #10 map #5 palette rainbow

Map values for surface "surface": minimum 1.144, mean 4.559, maximum 8.113  

> hide #!5 models

> show #!5 models

> hide #!5 models

> show #!5 models

> hide #!5 models

> measure blob #!10.1 triangleNumber 42184 color #0000ccff outline true

Surface cryosparc_P22_J2051_006_volume_map_sharp.mrc #10.1 blob:  
volume = 5691  
area = 6903.5  
size = 65.763 49.34 30.353  
  

> measure blob #!10.1 triangleNumber 36022 color #2de170ff outline true

Surface cryosparc_P22_J2051_006_volume_map_sharp.mrc #10.1 blob:  
volume = 6038.5  
area = 7654.2  
size = 53.454 46.664 46.829  
  

> undo

> redo

> ui mousemode rightMode zoom

> hide #!10 models

> show #!10 models

> hide #!5 models

> hide #!10 models

> show #!10 models

> hide #!10 models

> show #!10 models

> ui mousemode rightMode "pick blobs"

> measure blob #!10.1 triangleNumber 32222 color #0000ccff outline true

Surface cryosparc_P22_J2051_006_volume_map_sharp.mrc #10.1 blob:  
volume = 5691  
area = 6903.5  
size = 65.763 49.34 30.353  
  

> hide #!10 models

> show #!10 models

> hide #!10 models

> show #!10 models

> toolshed show "Measure and Color Blobs"

> color sample #10 map #5 palette rainbow

Map values for surface "surface": minimum 1.144, mean 4.559, maximum 8.113  

> ui mousemode rightMode translate

> ui mousemode rightMode zoom

> toolshed show "Measure and Color Blobs"

> measure blob #!10.1 triangleNumber 69512 color #0000ccff outline true

Surface cryosparc_P22_J2051_006_volume_map_sharp.mrc #10.1 blob:  
volume = 463.47  
area = 465.35  
size = 22.95 13.622 7.2265  
  

> measure blob #!10.1 triangleNumber 41359 color #0499ccff outline true

Surface cryosparc_P22_J2051_006_volume_map_sharp.mrc #10.1 blob:  
volume = 30.687  
area = 51.106  
size = 4.2121 4.3764 3.6348  
  

> color sample #10 map #5 palette rainbow

Map values for surface "surface": minimum 1.144, mean 4.559, maximum 8.113  

> ui mousemode rightMode distance

> ui mousemode rightMode zoom

> toolshed show ViewDockX

No suitable models found for ViewDockX  

> toolshed show "Show Volume Menu"

> toolshed show "Map Coordinates"

> toolshed show "Show Volume Menu"

> toolshed show "Volume Viewer"

> help help:devel

> help help:index.html

> color sample #10 map #5 palette rainbow range full

Map values for surface "surface": minimum 1.144, mean 4.559, maximum 8.113  

> color sample #10 map #5 palette rainbow range full

Map values for surface "surface": minimum 1.144, mean 4.559, maximum 8.113  

Expected a keyword  

Expected a keyword  

Expected a keyword  

> color sample #10 map #5 palette 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 1.144, mean 4.559, maximum 8.113  

> hide #!10 models

> show #!10 models

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/cryosparc_P22_J2147_map_locres.mrc
> /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/cryosparc_P22_J2148_map_locres.mrc

Opened cryosparc_P22_J2147_map_locres.mrc, grid size 256,256,256, pixel 1.23,
shown at level 3.75, step 1, values float32  
Opened cryosparc_P22_J2148_map_locres.mrc, grid size 256,256,256, pixel 1.23,
shown at level 3.19, step 1, values float32  

> color sample #10 map #5 palette 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 1.144, mean 4.559, maximum 8.113  

> volume #10 level 0.9343

> color sample #10 map #9 palette 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 0, mean 4.441, maximum 8.05  

> volume #9 level 5.914

> color sample #10 map #9 palette 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 0, mean 4.441, maximum 8.05  

> volume #9 level 3.499

> color sample #10 map #9 palette 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 0, mean 4.441, maximum 8.05  

> color sample #10 map #13 palette
> 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 0, mean 3.458, maximum 6.769  

> volume #13 level 2.929

> volume #10 level 0.8351

> volume #10 level 0.8656

> volume #13 level 2.652

> volume #10 level 0.4993

> volume #9 level 3.446

> volume #10 level 0.9801

> open2
> /Users/shirinmortazavi/Downloads/cryosparc_P22_J348_003_volume_map_sharp.mrc

Opened cryosparc_P22_J348_003_volume_map_sharp.mrc, grid size 286,286,286,
pixel 0.72, shown at level 0.0997, step 2, values float32  

> volume #6 step 1

> volume #6 level 0.03806

> volume #6 level 0.03009

> volume #6 level 0.01681

> volume #6 level 0.02478

> volume #6 level 0.03965

> volume #6 level 0.03221

> volume #6 level 0.02478

> volume #6 level 0.03434

> volume #6 level 0.04284

> volume #6 level 0.06514

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/cryosparc_P22_J2153_map_locres.mrc

Opened cryosparc_P22_J2153_map_locres.mrc, grid size 256,256,256, pixel 1.23,
shown at level 51.3, step 1, values float32  

> volume #13 level 0.1539

> volume #6 level 46.11

> volume #13 level 3.398

> volume #6 level 48.35

> volume #6 level 51.88

> color sample #10 map #6 palette 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 2.666, mean 3.487, maximum 5.651  

> volume #6 level 9.433

> color sample #10 map #6 palette 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 2.666, mean 3.487, maximum 5.651  

> color sample #10 map #6 palette 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 2.666, mean 3.487, maximum 5.651  

> volume #6 level 2.056

> color sample #10 map #6 palette 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 2.666, mean 3.487, maximum 5.651  

> volume #6 level 0

> color sample #10 map #6 palette 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 2.666, mean 3.487, maximum 5.651  

> undo

> undo

> undo

> undo

> undo

> undo

> redo

> redo

> undo

> redo

> undo

> redo

> color sample #10 map #6 palette 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 2.666, mean 3.487, maximum 5.651  

> color sample #10 map #6 palette 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 2.666, mean 3.487, maximum 5.651  

> undo

> undo

> redo

> undo

> redo

> volume #6 level 50.25

> volume #13 level 0

> color sample #10 map #13 palette
> 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 0, mean 3.451, maximum 5.651  

> undo

> redo

> undo

> undo

> redo

> redo

> undo

> redo

> redo

> redo

> undo

> redo

> volume #13 level 4.776

> color sample #10 map #9 palette 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 0, mean 4.419, maximum 7.997  

> color sample #10 map #13 palette
> 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 0, mean 3.451, maximum 5.651  

> volume #13 level 2.733

> color sample #10 map #13 palette
> 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 0, mean 3.451, maximum 5.651  

> undo

> undo

> redo

> undo

> redo

> color sample #10 map #13 palette
> 3,red:3.4,yellow:3.8,green:4.2,cyan:4.6,blue

Map values for surface "surface": minimum 0, mean 3.451, maximum 5.651  
Map values for surface "cap near": minimum 0.438, mean 3.219, maximum 3.855  

> set bgColor white

> lighting simple

> lighting shadows true

> lighting shadows false

> lighting soft

> lighting full

> lighting full

> lighting shadows false

> graphics silhouettes false

> graphics silhouettes true

> graphics silhouettes false

> lighting simple

> lighting full

> lighting flat

> lighting simple

> lighting full

> lighting shadows false

> lighting simple

> graphics silhouettes false

> lighting full

> lighting simple

> lighting shadows true

> lighting full

> lighting full

> lighting simple

> graphics silhouettes true

> graphics silhouettes false

> graphics silhouettes true

> graphics silhouettes false

> graphics silhouettes true

> volume #10 level 0.8759

Expected a keyword  

> volume gaussian #10 bfactor -100

> volume #10 level 0.9131

> volume #14 level 1.329

> volume #14 level 1.374

> volume #14 level 1.171

> volume #10 level 0.6674

> volume gaussian #10 bfactor -200

> volume #15 level 14.44

> volume gaussian #10 bfactor -50

> volume #15 level 0.7736

> volume #15 level 0.9198

> volume #15 level 0.7493

> volume #10 level 0.4142

> volume #10 level 0.4366

Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  

> volume #12 level 0.4413

> volume gaussian #12 bfactor -50

> volume #5 level 0.509

> volume #5 level 0.6889

> volume #5 level 0.599

> volume #15 level 0.6884

> volume #5 level 0.7227

> volume #5 level 0.6664

> volume #5 level 0.6777

> volume #5 level 0.4303

> volume #15 level 0.5422

> volume #15 level 0.6884

> volume #5 level 0.5765

> volume #15 level 0.6518

> volume #15 level 0.7127

> volume #5 level 0.599

> volume #5 level 0.6327

> volume #15 level 0.6884

> volume gaussian #10 bfactor -100

> volume #9 level 0.8783

> volume #9 level 1.013

> volume #9 level 1.374

> volume #9 level 0.8558

> show #!4 models

> hide #!4 models

> show #!1 models

> hide #!1 models

> show #!2 models

> hide #!2 models

> show #!3 models

> hide #!3 models

> show #7 models

> hide #7 models

> show #7 models

> hide #7 models

> show #!10 models

> hide #!10 models

> hide #!9 models

> show #!9 models

> volume #9 level 1.599

> volume #9 level 1.104

> volume #9 level 0.9234

> volume #9 level 0.8333

> volume #9 level 0.9684

> volume #5 level 0.5765

> volume #9 level 0.9684

> volume #15 level 0.6884

> volume #15 level 0.7006

> volume #9 level 0.9909

> volume #9 level 1.013

> volume #9 level 1.036

> volume #9 level 1.059

> volume #15 level 0.7127

> volume #9 level 0.9459

> volume #15 level 0.4813

> volume #15 level 0.4326

> volume #15 level 0.6884

> volume #9 level 0.8783

> volume #9 level 0.9234

> volume #9 level 0.9008

> show #!4 models

> hide #!4 models

> show #!4 models

> volume gaussian #4 bfactor -100

> volume #13 level 2.882

> volume gaussian #4 bfactor -50

> volume #14 level 0.07733

> show #!4 models

> volume #15 level 0.6884

> hide #!4 models

> show #!4 models

> hide #!4 models

> show #!4 models

> hide #!4 models

> show #11 models

> hide #11 models

> open2 /Users/shirinmortazavi/Documents/cryo-
> EM/SM0121_TRAM34_2/cryosparc_P22_J2155_map_sharp.mrc

Opened cryosparc_P22_J2155_map_sharp.mrc, grid size 256,256,256, pixel 1.23,
shown at level 0.224, step 1, values float32  

> volume #13 level 0.4386

> volume #13 level 0.616

Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  

Window position QRect(689,1069 100x30) outside any known screen, using primary
screen  

Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 138, in _redraw_timer_callback  
drew = self.draw_new_frame()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/updateloop.py", line 62, in draw_new_frame  
surface.update_clip_caps(view)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 30, in update_clip_caps  
subdivision = settings.clipping_cap_subdivision)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 46, in show_surface_clip_caps  
set_cap_drawing_geometry(d, p.name, varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/cap.py", line 184, in set_cap_drawing_geometry  
cm.set_geometry(varray, narray, tarray)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/graphics/drawing.py", line 649, in set_geometry  
arv()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 154, in <lambda>  
arv = lambda self=self: self.set_vertex_colors(report_stats = False)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 229, in set_vertex_colors  
s.vertex_colors = self.vertex_colors(report_stats)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 199, in vertex_colors  
values, outside = self.volume_values()  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 257, in volume_values  
return self.offset_values(v, n, tf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 265, in offset_values  
values, outside = self.vertex_values(v, xf)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/surface/colorvol.py", line 299, in vertex_values  
out_of_bounds_list = True)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1334, in interpolated_values  
subregion, step)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1510, in matrix_and_transform  
m2s_transform = self.matrix_indices_to_xyz_transform(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1243, in
matrix_indices_to_xyz_transform  
ijk_origin, ijk_size, ijk_step = self.ijk_aligned_region(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1297, in ijk_aligned_region  
r = self.subregion(step, subregion)  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
AttributeError: 'NoneType' object has no attribute 'size'  
  
AttributeError: 'NoneType' object has no attribute 'size'  
  
File
"/Applications/ChimeraX-0.93.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/map/volume.py", line 1558, in subregion  
ijk_min, ijk_max = full_region(self.data.size)[:2]  
  
See log for complete Python traceback.  
  




OpenGL version: 4.1 INTEL-10.36.19
OpenGL renderer: Intel Iris Pro OpenGL Engine
OpenGL vendor: Intel Inc.

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