Re: [COOT] [ccp4bb] [COOT] 120hz LCDs and coot stereo

2009-12-18 Thread David J. Schuller
On Thu, 2009-12-17 at 18:25 -0500, Ajit Datta wrote:
 I just talked to the NVIDIA pre-sales people and they told me that this 
 driver (195.22 beta) should work with 120Hz lcd monitors together with Nvidia 
 3D vision kit on a quadro graphics card.
 
 Ajit B. 

http://www.phoronix.com/scan.php?page=news_itempx=NzczOQ

NVIDIA Pushes Out 195.22 Beta Linux Driver
...
Other changes include...
support for NVIDIA 3D Vision Stereo on Linux with Quadro GPUs...



-- 
===
You can't possibly be a scientist if you mind people
thinking that you're a fool. - Wonko the Sane
===
   David J. Schuller
   modern man in a post-modern world
   MacCHESS, Cornell University
   schul...@cornell.edu


Re: [COOT] 120hz LCDs and coot stereo

2009-12-17 Thread William G. Scott
Just get a $300 Zalman LCD monitor and use coot with that.  No special
hardware required and it is OS independent.  I'm using it also as my
primary monitor as I type this.



Michael J Miley wrote:
 I have a linux workstation with a nvidia quadro graphics card and
 matching emitter/lcd glasses setup from realD. It is very hard to find
 CRTs that are able to support the high refresh rates needed for headache
 free 3D viewing. The old SGI one I have is terrible, as it flickers bad
 in 3d mode.

 My question is can i use one of these new 120hz LCD monitors with the
 above setup for coot. Basically just switch out the crt for the LCD. Has
 anyone tried this?

 I am aware that these monitors with a non-quadro nvidia card plus the
 nvidia emitter/glasses setup will not work with coot. But i think the
 reason is that the drivers for these non-quadro cards do not support
 true quad buffered stereo.


 --
 
 Michael J Miley, PhD
 Research Assistant Professor
 Director, Biomolecular X-Ray Crystallography Facility
 University of North Carolina at Chapel Hill
 Dept of Pharmacology, CB# 7365
 Medical School Building B, Room 124
 mjmi...@email.unc.edu
 Office: 919-843-7174
 Cell: 919-451-3593
 



Re: [COOT] [ccp4bb] [COOT] 120hz LCDs and coot stereo

2009-12-17 Thread Alexander . Schiffer
I got the information from a supplier that there is a beta driver from
nvidia that supports the 120Hz LCD with nvidia stereo glasses. I have
not seen it myself but we have a demo scheduled in January.

Alexander

-Original Message-
From: CCP4 bulletin board [mailto:ccp...@jiscmail.ac.uk] On Behalf Of
David J. Schuller
Sent: Thursday, December 17, 2009 6:19 PM
To: ccp...@jiscmail.ac.uk
Subject: Re: [ccp4bb] [COOT] 120hz LCDs and coot stereo

My current understanding is that

1) The new 120Hz LCD monitors are not compatible with the old goggles.
Something about the type of polarization used for the shuttering effect.
So if you were going to try out one of the new 120Hz monitors (~ $400)
you might also want to spend on the nVidia glasses and emitter kit (~
$200)

2) The 120 Hz LCDs are not supported under Linux drivers by nVidia at
present. Whether it might actually work or not, I can't say. I am
encouraged by the mention that the nVidia emitter can accept a signal
from the mini-DIN stereo port on some Quadro cards.
http://www.nvidia.com/object/quadro_pro_graphics_boards.html

3) As someone mentioned already, the Zalman LCD monitors, which are not
120Hz and do not require goggles, but have diminished resolution, are
currently supported.


Cheers,


--
===
You can't possibly be a scientist if you mind people thinking that
you're a fool. - Wonko the Sane
===
   David J. Schuller
   modern man in a post-modern world
   MacCHESS, Cornell University
   schul...@cornell.edu


On Thu, 2009-12-17 at 11:09 -0500, Michael J Miley wrote:
 I have a linux workstation with a nvidia quadro graphics card and 
 matching emitter/lcd glasses setup from realD. It is very hard to find

 CRTs that are able to support the high refresh rates needed for
headache 
 free 3D viewing. The old SGI one I have is terrible, as it flickers
bad 
 in 3d mode.
 
 My question is can i use one of these new 120hz LCD monitors with the 
 above setup for coot. Basically just switch out the crt for the LCD.
Has 
 anyone tried this?
 
 I am aware that these monitors with a non-quadro nvidia card plus the 
 nvidia emitter/glasses setup will not work with coot. But i think the 
 reason is that the drivers for these non-quadro cards do not support 
 true quad buffered stereo.
 
 


Re: [COOT] [ccp4bb] [COOT] 120hz LCDs and coot stereo

2009-12-17 Thread David J. Schuller
On Thu, 2009-12-17 at 13:51 -0800, kai...@caltech.edu wrote:
 On this note,
   I recently bought a viewsonic 120hz LCD (VX2265wm)  in the naïve believe it 
 should work as it has the right refresh rate. I tried to run it with the 
 normal setup, quadro with emitter via DIN, nuVision glasses, Linux. Here's 
 the problem: I have stereo in the top and the bottom but not in the middle of 
 the screen. The image is stable (no flickering or moving of the part that 
 shows stereo). It seems that I got the right refresh rate (any way to check 
 that?), but I don't understand at all what's going on.
   Any clues?
 
 Jens


That monitor appears on the supported displays list:

http://www.nvidia.com/object/3D_Vision_Requirements.html

So the problem could be one (or more) of two things:

1) The glasses may be incompatible. You could try it out with the nVidia
glasses.

2) The Linux driver may not be working properly yet.


BTW, I see that some 1920x1080 monitors are listed on the above page,
and should be available in January or so.




-- 
===
You can't possibly be a scientist if you mind people
thinking that you're a fool. - Wonko the Sane
===
   David J. Schuller
   modern man in a post-modern world
   MacCHESS, Cornell University
   schul...@cornell.edu