Changes between Initial Version and Version 1 of Ticket #7722, comment 3


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Timestamp:
Oct 4, 2022, 10:50:14 AM (3 years ago)
Author:
Tom Goddard

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  • Ticket #7722, comment 3

    initial v1  
    11Hi Matt,
    22
    3 MRC files have a header that says what the angles are between xy, yz, and xz axes because in crystallography those angles are not often not 90 degrees.  Whatever program wrote your MRC files said those angles are 0 which is invalid and is a bug in the program that wrote the files.  You might want to contact the authors of that program so they can fix it.  When ChimeraX gets this bad data it tries to carry on by assuming the angles were 90 degrees which is the most common outside of crystallography.
     3MRC files have a header that says what the angles are between xy, yz, and xz axes because in crystallography those angles are often not 90 degrees.  Whatever program wrote your MRC files said those angles are 0 which is invalid and is a bug in the program that wrote the files.  You might want to contact the authors of that program so they can fix it.  When ChimeraX gets this bad data it tries to carry on by assuming the angles were 90 degrees which is the most common outside of crystallography.
    44
    55run1.mrc: invalid cell angles 0,0,0 must be between 0 and 180.