VMD-L Mailing List

From: John Stone (johns_at_ks.uiuc.edu)
Date: Wed Mar 29 2006 - 12:48:05 CST

Dan,
  Interesting that you're able to get that to work, which specific
video card is in your G5? While yours works, my older test boxes
here do not, maybe that's why it's not officially supported by Apple.

  John Stone
  vmd_at_ks.uiuc.edu

On Wed, Mar 29, 2006 at 09:36:16PM +0300, Dan White wrote:
> Hi,
>
> Not true...
> I have hardware stereo, crystal eyes, in a window working with PyMol
> on a non supported G5 1.6 GHz singel processor with an older video
> card, not the new quadro
>
> I am using a crystal eyes E2 emitter box plugged into the stereo
> graphic stereo enabler cable that goes between the graphics card and
> the monitor cable , which takes power from the keyboard port of an
> adjacent SGI indigo 2, how ironic, into an old sgi monitor.
>
> PyMol and OIRIX with the quad buff stereo plugin both work for stereo
> in a window with the crystal eyes system.
>
> Its not supposed to work but it does!
>
> havent tried vmd yet
>
> doenst work yet with bioimagexd which uses VTK , but we will get it
> working as it doesnt work yet on linux either and it should
>
> havent tried chimera either
>
> Dan
>
> On Mar 29, 2006, at 7:24 PM, vmd-l digest wrote:
>
> >
> >Date: Wed, 29 Mar 2006 10:19:06 -0600
> >From: John Stone <johns_at_ks.uiuc.edu>
> >Subject: Re: vmd-l: Stereo on MacG5 (single processor) for VMD,
> >Chimera UCSF etc.
> >
> >Hi,
> > Unless you have one of the newer Macs, you can't do stereo except in
> >fullscreen mode as far as I know. The "nanosaurus" demo you tried
> >was a full screen application right? Windowed stereo requires that
> >you
> >have a Quadro graphics board and the latest MacOS X OpenGL drivers, as
> >far as I know.
> >
> >The Linux situation is a little different. In that case there are
> >some
> >additional complications in that the currently shipping nVidia drivers
> >can do either multisample antialiasing OR stereo, but not both at
> >the same
> >time. Since only a small percentage of VMD users have the
> >CrystalEyes hardware
> >on Linux, the default VMD behavior is to use multisample
> >antialiasing on these
> >cards that can only do one or the other. You can set an
> >environment variable
> >VMDPREFERSTEREO which will cause VMD to use stereo and sacrifice
> >antialiasing
> >on these particular video cards. SGI and Sun machines don't have
> >these kinds
> >of limitations, so the necessity to choose between antialiasing and
> >stereo
> >is only an issue with these PC graphics cards.
> >
> > John Stone
> > vmd_at_ks.uiuc.edu
>
> Dr. Daniel James White BSc. (Hons.) PhD
> Bioimaging Coordinator
> Nanoscience Centre and Department of Biological and Environmental
> Sciences
> Division of Molecular Recognition
> Ambiotica C242
> PO Box 35
> University of Jyväskylä
> Jyväskylä
> FIN 40014
> Finland
>
> +358 14 260 4183 (work)
> +358 468102840 (mobile)
> http://www.bioimagexd.org
> http://www.chalkie.org.uk
> dan_at_chalkie.org.uk
> white_at_cc.jyu.fi
>
> 

-- 
NIH Resource for Macromolecular Modeling and Bioinformatics
Beckman Institute for Advanced Science and Technology
University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
Email: johns_at_ks.uiuc.edu                 Phone: 217-244-3349
  WWW: http://www.ks.uiuc.edu/~johns/      Fax: 217-244-6078