[Chimera-users] problems reading .rec file

Tom Goddard goddard at cgl.ucsf.edu
Tue May 25 15:52:19 PDT 2010

Hi Matt,

   That is normal Chimera behavior.  If you open a large volume file it 
shows just one plane and there is a slider in the volume dialog to flip 
through planes.  This is to allow fast initial display.  If you want to 
display all planes press the "All" button below the Planes slider.  The 
volume size at which only a single plane is shown is controlled by the 
volume dialog setting under "data display options" called "show plane 
when data larger than X voxels".  I think the default is 256 million 
voxels (grid points).  You can change that and save the default volume 
dialog settings (menu entry at bottom of Features menu).

   With a 4 Gvoxel map (2000x2000x1000) Chimera is going to of course 
subsample the data, i.e. volume step size is going to be greater than 1 
if you try to show the full data.


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