Hi All:
just a quick follow up on Warren mentioning the Sharp 3D LCD display. After
a couple of trials with various drivers I got the LCD to work under the
following setup:
Nvidia Quadro FX1100 with driver V67.22
Windows XP with all the latest SPs and patches installed (may not matter)
One head of the graphics card connected to a CRT the other to the Sharp LCD
Stereographics Din connector hocked up to the graphics card
Primary to installing the driver you need to make sure to get rid of all the
proprietary Nvidia stereo stuff, that really messed up another machine we
tried to get this to work on.
Stereo works only on one of the stereo enabled devices at the same time and
this device needs to be assigned to be the primary monitor. To get the Sharp
LCD to cooperate find the "Additional OpenGl Settings" in the "Display
Properties -> settings -> Advanced -> Quadro FX1100 dialog and switch to
"Use color interleaved Monitor" and enable "Enable stereo in OpenGL". close
all the open dialogs, reboot was not necessary for me, launch your favorite
quad buffer stereo enabled application switch to stereo on both the
application and the monitor, et voila.
Going back to using shutter glasses just requires to switch the primary
monitor back to the CRT and switch back from the color interleaved monitor
to the onboard DIN connector.
Have not tried this under linux, I need to look into how to set the dual
head environment up. I also imagine that the dynamic switch between the
monitors may be problematic and require a restart of the X-server.
The monitor works nice, but the stereo puts more strain on the eyes than
regular shutter glasses.
Cheers,
Carsten
Carsten Schubert, Ph.D.
Structural Biology
J&J PRD (Exton)
665 Stockton Drive, Exton, PA, 19341, USA
eMail: cschu...@prdus.jnj.com
Tel:610-458-5264 Ext:6579
Fax:610-458-8249
-----Original Message-----
From: Warren DeLano [mailto:war...@delanoscientific.com]
Sent: Monday, February 07, 2005 5:30 PM
To: pymol-users@lists.sourceforge.net
Subject: [PyMOL] Stereo 3D News
Topic (1):
If any of you are going to LinuxWorld next week in Boston, be sure to stop
by the "Emperor Linux" booth (# 1821 - http://www.emperorlinux.com). They
are slotted to demonstrate a new Linux-based laptop from Sharp Electronics
that has their latest 15" autostereoscopic 3D LCD display -- running a PyMOL
demo of course :).
It is too early to say for sure, but I think that the Sharp 3D LCD
technology has a good shot at displacing shutter-glasses as the dominant
technology over the next couple of years. You get most of the convenience
of stereo 3D in-a-window without needing a bulky CRT display on your desk
and without having to deal with those expensive fragile glasses.
Glasses-free stereo 3D rocks! It is the future, and it is here for you
today. My focus is on Sharp because they are the first company with a
workable stereo LCD solution suited to our specific needs. Though the 3D
"sweet spot" is supposed to be tuned for just one person at a time, in my
opinion, at least 3 and perhaps even as many as 5 people can realistically
gather around one of their displays and benefit from greatly enhanced depth
perception. With PyMOL, it works for surfaces, electron density, cartoons,
spheres, sticks, and even line representations -- basically everything!
In short, I believe that our 3D "use case" requirements in chemistry and
structural biology are fully met by the Sharp technology, and so far, most
of those who have seen PyMOL running on such a display have agreed with this
assessment. Even seasoned medicinal chemists down on 3D have changed their
tune after seeing it in action.
User interface content outside the 3D window is certainly affected in
appearance but remains quite useable in most cases. Full-time
crystallographers will of course need a display larger than 15" (one is
hopefully in the works), but casual stereo-graphics users should be quite
happy with the standard size. It works just like a normal 1024x768 LCD
display when not in stereo mode (easily toggled via button or software).
The only other practical limitation I have noticed with Sharp's
autostereoscopic LCD technology is that you need to draw using lines that
are at least 2 pixels wide in order to insure that both eyes receive
complete depth information. So long as that rule is followed, the depth
quality is as good as shutter glasses.
Unfortunately, these displays aren't yet compatible with off-the-shelf QBS
stereo 3D software, but DeLano Scientific is committed to insuring that
commercially-supported versions of PyMOL work just fine on these displays.
Sorry Mac users -- only Windows and Linux only for now, since OS X still
doesn't support stereo-3D in a window (though not for lack of trying on my
part!). The displays also require an nVidia-based graphics card.
Standalone 15" display:
<http://www.pcmag.com/article2/0,1759,1647634,00.asp>
Laptop (prior generation):
<http://www.sharpsystems.com/products/pc_notebooks/actius/rd/3d/>
Sharp 3D-enabled PyMOL versions (Windows & Linux): Available to paid-up
PyMOL subscribers upon request.
NOTE: If you are seriously thinking of buying one or more of their new 3D
products, please consider initiating your purchase through DeLano Scientific
LLC (sa...@delsci.com) in order to drive additional funding for the PyMOL
project. We are not currently a reseller, but could become one if there is
sufficient market justification for doing so.
Topic (2):
Thank you to everyone who responded to "Stereo 3D matters to me" by
providing direct feedback on the need for windowed stereo 3D graphics on the
Mac platform. We received over 600 email responses from 286 organizations
and are scheduled to deliver them in hardcopy form to Cupertino later this
week along with a short executive summary and stereo 3D demonstration.
Whether it will change anything, I don't know. But I do know that Apple
management will no longer be ignorant of the tough dilemma faced by Mac
users who have needed professional 3D graphics for quite some time now.
Cheers,
Warren
--
Warren L. DeLano, Ph.D.
Principal Scientist
. DeLano Scientific LLC
. 400 Oyster Point Blvd., Suite 213
. South San Francisco, CA 94080
. Biz:(650)-872-0942 Tech:(650)-872-0834
. Fax:(650)-872-0273 Cell:(650)-346-1154
. mailto:war...@delsci.com
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