VMD-L Mailing List

From: John Stone (johns_at_ks.uiuc.edu)
Date: Wed Mar 29 2006 - 14:20:57 CST

Dan,
  Just to verify again, with your card, you were able to run stereo
apps in a window, or were they running fullscreen? I assume that the
"stereo enabler" is a blue-line stereo sync device right?

  John Stone
  vmd_at_ks.uiuc.edu

On Wed, Mar 29, 2006 at 11:15:45PM +0300, Dan White wrote:
> John,
>
> its a G5, 1.6GHz,
> with a
> nVidia GeForce FX 5200 64 MB
>
> no three pin socket for the emitter box cable,
> hence use of the stereo enabler gadget to get the sync signal to the
> emitter box,
> and that is powered by a PS2 port, of which ther are none on a mac
> so i needed to plug it into another computer that does have one, in
> my case the sgi indigo2... could be a pc
>
> I never saw a USB to ps2 converter, only the ubiquitous ps2 to usb
> type...
>
> cheers
>
> Dan
>
> On Mar 29, 2006, at 9:48 PM, John Stone wrote:
>
> >
> >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
>
> 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