[Chimera-users] Background transparency

Greg Couch gregc at cgl.ucsf.edu
Thu Jan 26 17:21:03 PST 2006

On Thu, 26 Jan 2006, Alon Ben-David wrote:

> My name is Alon and I am a graduate student at the Technion, Israel 
> institute of technology. My question is how can I create a transparent 
> background to pictures I am generating with Chimera. I read at the site 
> that not all hardware's permit a transparent background, but I don't 
> know how can I check if my hardware do.


So the simpliest way is just try.  Give the --bgopacity command line 
argument to chimera (on Windows, by editing the shortcut properties), and 
see if chimera starts up or not.  If not, your hardware doesn't support 

If you're running Linux, you can use the glxinfo command to find what your 
hardware supports.  On Windows, you can use the NVidia NV Pixel Format 
program.  Not sure what tool to use on Mac OS X.

 	Hope this helps,

 	Greg Couch
 	UCSF Computer Graphics Lab

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