[chimera-dev] density map in Chimera

[Elaine Meng]

Hi Fei Li,
The origin is read from the header, but you can change it within Chimera if you want.  Please see these previous posts and further links for more details:
<http://plato.cgl.ucsf.edu/pipermail/chimera-users/2010-September/005486.html>
<http://plato.cgl.ucsf.edu/pipermail/chimera-users/2006-September/000961.html>

Best,
Elaine
----------
Elaine C. Meng, Ph.D. 
UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
Department of Pharmaceutical Chemistry
University of California, San Francisco

On Sep 4, 2010, at 9:35 AM, Fei Li wrote:

> Dear Chimera-dev group,
>  
> I am a graduate student of Computer Science. I come accross aome problems with the Density map (.mrc file). I noticed that Chimera use the Origin index parameters to locate the density map. I am wondering where these index numbers come from? is it read from the MRC header or does chimera do something about the information in mer header file.
>  
> thank you for your help.

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