Re: [ccp4bb] Flat Screen and Stereo

- Protein crystallography

Main steps:

- Protein purification
- Crystallisation

Special:

- Programs for crystallography
- X-ray detectors

Basic tutorials:

   - Chemistry
   - Protein
   - Peptide
   - Amino Acids

Xtal community:

- CCP4BB

CCP4bb navigation

CCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999

Previous message:
Subject: Re: Flat Screen and Stereo
From: P Hubbard dienoylcoa {- at -} HOTMAIL {- dot -} COM
Date: 2007-06-22

Next message:
Subject: Re: Flat Screen and Stereo
From: "Latchem, MJ (Mike)" Mike {- dot -} Latchem {- at -} DIAMOND {- dot -} AC {- dot -} UK
Date: 2007-06-22

Subject: Re: Flat Screen and Stereo
From: "James M {- dot -} Vergis" JVergis {- at -} VIRGINIA {- dot -} EDU
Date: 2007-06-22

I don't know if this will help but the NVIDIA readme says it should be a
BOOLEAN after ALLOWDFPSTEREO.

You have: Option "AllowDFPStereo" "1"
Change to:Option "AllowDFPStereo" "true"

Hope that helps. I'd be curious as to how an LCD works for stereo.

Good luck,
James

====================================================
James M. Vergis, Ph.D.
University of Virginia Molecular Physiology and Biological Physics
MKWEINR 438 Jordan Hall
1340 Jefferson Park Ave
Charlottesville, VA 22908-0736
phone: 434-243-2730 FAX: 434-982-1616
JVergis@virginia.edu
====================================================

> -----Original Message-----
> From: CCP4 bulletin board [mailto:CCP4BB@JISCMAIL.AC.UK] On
> Behalf Of Zach Powers
> Sent: Friday, June 22, 2007 11:38 AM
> To: CCP4BB@JISCMAIL.AC.UK
> Subject: [ccp4bb] Flat Screen and Stereo
>
> Hello,
>
> I have been having a problem getting stereo to work on the
> lab's new flatsceeen ( i know, i know..... CRTs = much better
> but i think the purchaser was overcome with flatscreen lust).
>
> I am using a Dell 3007WFP (2560x 1600, refresh rate = 60hz)
> attached to nVidia Quadro FX 4500 graphics card with the
> eDimensional stereo glasses. I am using the current drivers
> from livna (100.14.09-2lvn7) on a Fedora7 box with the
> 2.6.21_1.3228 kernel.
>
> When I try to get Pymol or Coot to use stereo, no luck: Coot
> tells me that the hardware does not support quad buffered
> stereo. To the best of my knowledge I have the xorg.conf file
> correctly configured (see below) and I am wondering if anyone
> has run into these problems before or if somehow the livna
> driver can detect a refresh rate that is suboptimal and
> therefore refuse to start stereo. Perhaps there is also the
> issue of the kernel? I don't know, but I would appreciate any help.
>
> Below is my xorg.conf file and you can see I have 'Option
> "Stereo"' set to "3". I have fiddled around with many of the
> options in the xorg.conf file - basically trying every
> variation that i found other people had used.
> However, still no luck, which makes me think there may be
> some driver or kernel issue.
>
> Anyhow, any suggestions would be greatly appreciated (I would
> like to get this monitor work before falling back on a CRT -
> if the flicker is terrible, there will be no choice but it
> seems others have been using these monitors for stereo).
>
>
> thank you,
> zach charlop-powers
> PhD Candidate
> Graduate School of Biological Sciences
> Mount Sinai School of Medicine
> New York, NY
>
> ### Xorg configuration created by livna-config-display
>
> Section "ServerLayout"
> Identifier "single head configuration"
> Screen 0 "Screen0" 0 0
> InputDevice "Keyboard0" "CoreKeyboard"
> EndSection
>
> Section "Files"
> ModulePath "/usr/lib64/xorg/modules/extensions/nvidia"
> ModulePath "/usr/lib64/xorg/modules"
> EndSection
>
> Section "Module"
> Load "dbe"
> Load "extmod"
> Load "glx"
> Load "dbe"
> Load "extmod"
> EndSection
>
> Section "InputDevice"
> Identifier "Keyboard0"
> Driver "kbd"
> Option "XkbModel" "pc105"
> Option "XkbLayout" "us"
> EndSection
>
> Section "Monitor"
> Identifier "Monitor0"
> ModelName "Dell 3007WFP"
> HorizSync 30.0 - 100.0
> VertRefresh 56.0 - 76.0
> Option "dpms"
> EndSection
>
> Section "Device"
> Identifier "Videocard0"
> Driver "nvidia"
> Option "Stereo" "3"
> Option "AllowDFPStereo" "1"
> Option "UBB" "True"
> Option "AddARGBGLXVisuals" "True"
> Option "DisableGLXRootClipping" "True"
> EndSection
>
> Section "Screen"
> Identifier "Screen0"
> Device "Videocard0"
> Monitor "Monitor0"
> DefaultDepth 24
> SubSection "Display"
> Viewport 0 0
> Depth 24
> Modes "2560x1600" "1600x1200" "1600x1024"
> "1440x900" "1400x1050"
> "1280x1024" "1280x960" "1280x800" "1152x864" "1024x768"
> "800x600" "640x480"
> "640x400"
> EndSubSection
> EndSection
>
>
>
>
>
>

CCP4bb navigation

CCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999

Previous message:
Subject: Re: Flat Screen and Stereo
From: P Hubbard dienoylcoa {- at -} HOTMAIL {- dot -} COM
Date: 2007-06-22

Next message:
Subject: Re: Flat Screen and Stereo
From: "Latchem, MJ (Mike)" Mike {- dot -} Latchem {- at -} DIAMOND {- dot -} AC {- dot -} UK
Date: 2007-06-22