[Chimera-users] PDB reference frame

[Elaine Meng]

Hi Roberto,
It isn't a built-in function currently, but you can open the attached BILD file in Chimera (just use File... Open) to show the axes: X red, Y yellow, Z blue. 

The BILD format is very simple. In fact, the file just contains the following plain text: 

.translate 0.0 0.0 0.0
.scale 5
.sphere 0 0 0 0.5
.color 1 0 0
.arrow 0 0 0 5 0 0 
.color 1 1 0
.arrow 0 0 0 0 5 0 
.color 0 0 1
.arrow 0 0 0 0 0 5 

You can edit the file if you want to change the offset (the .translate line) or the size (the .scale line). BILD format is described here: <http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/bild.html> 

I hope this helps,
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 Apr 22, 2011, at 6:34 AM, Roberto Kopke Salinas wrote:

> Dear All,
> Is there a way to draw and visualize the three axes of the PDB reference frame in Chimera?
> Thank you for your help,
> Roberto

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