[Chimera-users] Chimera slow on Win 7 64-bit system

Thomas Goddard goddard at cgl.ucsf.edu
Thu Oct 15 22:21:59 PDT 2009

Hi Wen,

   The slow ribbon and atom rendering must be a graphics driver issue. 
Surfaces use different OpenGL calls for rendering allowing them to be 
fast.  You can try updating your graphics driver.  If you have the most 
recent you could try poking around with graphics driver settings that 
trade of speed and quality.

   We don't have a 64-bit Windows Chimera.  Only 64-bit Linux Chimera is 
available.  We'll probably put out a 64-bit Mac Chimera in about 6 
months and 64-bit Windows Chimera in about 1 year.


-------- Original Message --------
Subject: chimera question
From: Wen Jiang
To: Tom Goddard
Date: 10/15/09 7:54 PM

> Hi Tom.
> I recently set up a Windows 7 64bit system for Nvision stereo display
> and ran into some problems with Chimera. First, the performance for
> pdb molecules (ribbon and atoms) is very slow. It seems fine with
> volume data (surface). Do you have any clue?  Second, there is only
> 32bit version for Chimera and it cannot deal with large map. Do you
> have a 64bit version for Windows?
> Thanks,
> Wen
> Wen Jiang, Ph.D.
> Assistant Professor
> Department of Biological Sciences
> Lilly Hall, B-402A
> Purdue University
> West Lafayette, IN 47907

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