[Chimera-users] density maps & sub-region selection.

Tom Goddard goddard at sonic.net
Tue Oct 16 10:58:36 PDT 2012

Hi Hernando,

   This is a bug.  In Chimera 1.6 and the daily builds if you draw a 
volume subregion selection box (green outline box) using one map and 
then use it to crop another map which has different grid bounds or 
different grid spacing then the cropped region doesn't match the box 
bounds.  I've fixed it in tonight's Chimera daily build.

   In the broken Chimera versions you can avoid the problem by making 
both maps have identical grids using the vop resample command, for 
example, "vop resample #1 ongrid #0".

   Thanks for reporting this bug.


-------- Original Message --------
Subject: [Chimera-users] density maps & sub-region selection.
From: Hernando J Sosa
To: chimera-users at cgl.ucsf.edu <chimera-users at cgl.ucsf.edu>
Date: 10/16/12 9:52 AM
> Hi,
> I am trying to select  subregions in two density  maps using the 
> subregion selection option in the volume viewer.   When selecting the  
> same subregion  different sub-volumes  in the two maps are selected 
> (there is a displacement between the ROIs along  the Z axis) even 
> though the two maps  are aligned to each other (or appear to be 
> aligned in the display window).   Both maps are in the MRC format and 
> both have a voxel size of 2A/pix. ?    Ideally what I want to do is to 
> select equivalent regions of the two maps and then save them as new 
> density maps.   How can I best do this?
> Thanks
> Hernando.
> UCSF Chimera version alpha 1.7 (build 36659)
> on Windows 7 64b
> _______________________________________________
> Chimera-users mailing list
> Chimera-users at cgl.ucsf.edu
> http://plato.cgl.ucsf.edu/mailman/listinfo/chimera-users

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