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Re: [ccp4bb] Caution - 120 Hz LCDs: Not CRT killers yet...
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CCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999
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Subject: Re: Caution - 120 Hz LCDs: Not CRT killers yet...
From: Warren DeLano warren {- at -} DELSCI {- dot -} COM
Date: 2009-02-01

Yong,

The short answer: we don't know for certain, but it appears that this
display appears to be limited to DirectX-based 3D games.

However, the Zalman 3D display is not based on the tried & true
full-field frame-sequential stereographic approach which
crystallographers and modellers have relied up for decades. According
to the manual, the stereo 3D mode cuts the vertical resolution in half,
which suggests that there would be an unacceptable degration of image
quality relative to full-field alternatives.

Cheers,
Warren


> -----Original Message-----
> From: Yong Y Wang [mailto:WANG_YONG_Y@LILLY.COM]
> Sent: Saturday, January 31, 2009 12:51 PM
> To: Warren DeLano
> Cc: CCP4BB@JISCMAIL.AC.UK
> Subject: Re: [ccp4bb] Caution - 120 Hz LCDs: Not CRT killers yet...
>
> Hi Warren,
>
> The Zalman 3D LCD was mentioned last year. Do you know if
> the Zalman 3D LCD can work with existing nVidia Quadro-based
> systems with existing emitters and glasses (or polarized
> glasses) running existing OpenGL software?
>
> Thanks,
>
> Yong
>
>
>
>
> Warren DeLano
>
>
>
> M>
> To
> Sent by: CCP4 CCP4BB@JISCMAIL.AC.UK
>
> bulletin board
> cc
>
>
> AC.UK>
> Subject
> [ccp4bb] Caution - 120
> Hz LCDs: Not
> CRT killers yet...
>
> 01/23/2009 02:26
>
> AM
>
>
>
>
>
> Please respond to
>
> Warren DeLano
>
>
>
> M>
>
>
>
>
>
>
>
>
>
> Stereo 3D Users:
>
> I tested out the Samsung Syncmaster 2233RZ / NVIDIA 3D Vision
> bundle today ($599 for a 120 Hz LCD display with one pair of glasses).
>
> Unfortunately, the 2233RZ display is clearly not yet a
> drop-in replacement for your stereo-3D-capable CRT: The
> display is very nice, and the stereo quality is excellent (as
> good as a CRT!), but only provided that you:
>
> 1. Run Microsoft Vista.
>
> 2. Install a high-end GeForce 3D card (9800 GT or similar).
>
> 3. Have DirectX-based software than has been modified to
> support nVidia's "consumer-grade" stereo API.
>
> 4. Use nVidia's 3D Vision glasses and sync emitter (a
> USB-based device).
>
> In other words, despite the high stereo image quality, this
> is not yet a servicable stereo 3D solution for professional
> use. Rats!
>
> I was very much hoping that this new display would
> nevertheless also work with existing nVidia Quadro-based Mac
> or Linux systems with existing emitters and glasses running
> existing OpenGL software. Sadly, this does not seem to be
> the case due at least in part to the fact that the phase of
> the sync signal coming out of the Quadro card does not match
> the update phase of the LCD display. In addition, light from
> the display itself seems to corrupt the sync signal for
> StereoGraphics glasses.
>
> So, in summary, it seems we are out of luck until nVidia does
> a bit more work. Reportedly, there is a driver update coming
> that will target use of nVidia's 3D vision glasses with
> Quadro-based graphics cards, so stay tuned.
>
> Cheers,
> Warren
>
>
>
>
>
>



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