id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
2839	update_buffer_data: cannot allocate huge array	mfschmid@…	Tom Goddard	"{{{
The following bug report has been submitted:
Platform:        Windows-10-10.0.17763
ChimeraX Version: 0.92 (2020-01-31)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 0.92 (2020-01-31)  
© 2016-2020 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open ""X:/iPSC HAIRBALLS/DM/DM-01sru16lp28s2u16.mrc""

Opened DM-01sru16lp28s2u16.mrc, grid size 960,900,490, pixel 1, shown at step
1, values uint16  

> volume #1 region 0,0,0,959,899,489 step 4

> volume #1 region 0,0,0,959,899,489 step 1 colorMode opaque8 showOutlineBox
> true imageMode ""box faces""

> volume #1

> surface dust #1 size 70

> color height #1 center 0,0,0 axis z palette rainbow

> volume #1 level 3.4e+04

> volume #1 change image level 2.962e+04,0 level 3.762e+04,0.8 level
> 4.721e+04,1

An error occurred in drawing the scene. Redrawing graphics is now stopped to
avoid a continuous stream of error messages. To restart graphics use the
command ""graphics restart"" after changing the settings that caused the error.  
  
Traceback (most recent call last):  
File ""C:\Program Files\ChimeraX-daily-01-31-2020\bin\lib\site-
packages\chimerax\core\updateloop.py"", line 73, in draw_new_frame  
view.draw(check_for_changes = False)  
File ""C:\Program Files\ChimeraX-daily-01-31-2020\bin\lib\site-
packages\chimerax\core\graphics\view.py"", line 166, in draw  
self._draw_scene(camera, drawings)  
File ""C:\Program Files\ChimeraX-daily-01-31-2020\bin\lib\site-
packages\chimerax\core\graphics\view.py"", line 233, in _draw_scene  
draw_opaque(r, opaque_drawings)  
File ""C:\Program Files\ChimeraX-daily-01-31-2020\bin\lib\site-
packages\chimerax\core\graphics\drawing.py"", line 1420, in draw_opaque  
_draw_multiple(drawings, renderer, Drawing.OPAQUE_DRAW_PASS)  
File ""C:\Program Files\ChimeraX-daily-01-31-2020\bin\lib\site-
packages\chimerax\core\graphics\drawing.py"", line 1431, in _draw_multiple  
d.draw(renderer, draw_pass)  
File ""C:\Program Files\ChimeraX-daily-01-31-2020\bin\lib\site-
packages\chimerax\core\graphics\drawing.py"", line 716, in draw  
self.draw_self(renderer, draw_pass)  
File ""C:\Program Files\ChimeraX-daily-01-31-2020\bin\lib\site-
packages\chimerax\core\graphics\drawing.py"", line 723, in draw_self  
self._draw_geometry(renderer, opaque_only = any_transp)  
File ""C:\Program Files\ChimeraX-daily-01-31-2020\bin\lib\site-
packages\chimerax\core\graphics\drawing.py"", line 750, in _draw_geometry  
ds.activate_bindings(renderer)  
File ""C:\Program Files\ChimeraX-daily-01-31-2020\bin\lib\site-
packages\chimerax\core\graphics\drawing.py"", line 1767, in activate_bindings  
self.update_buffers()  
File ""C:\Program Files\ChimeraX-daily-01-31-2020\bin\lib\site-
packages\chimerax\core\graphics\drawing.py"", line 1755, in update_buffers  
b.update_buffer_data(data)  
File ""C:\Program Files\ChimeraX-daily-01-31-2020\bin\lib\site-
packages\chimerax\core\graphics\opengl.py"", line 2550, in update_buffer_data  
d = data.astype(self.value_type)  
MemoryError: Unable to allocate array with shape (311375680, 3) and data type
uint32  
  




OpenGL version: 3.3.0 NVIDIA 432.00
OpenGL renderer: GeForce GTX 1080/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation

}}}
"	defect	closed	normal		Graphics		not a bug						all	ChimeraX