Dear Jeroen,
yes, 3D stereo under a RHEL 7 clone is working more or less
out-of-the-box here, using a workstation with a Quadro card with 3-pin
mini-DIN socket, a current ASUS stereo monitor without built-in emitter,
connected via a dual-link DVI-D cable, and the Nvidia 3D Vision 2
glasses with its USB-emitter and provided cables.
We run it here without problems on some 15 systems, or so.
As usual, in the xorg.conf file you have to enable this type of stereo
with 'Option "Stereo" "10"' and disable composite with 'Option
"Composite" "Disable"'.
However, disabling composite is incompatible with gnome 3! So to get 3D
stereo working, I completely removed gnome 3 and switched to KDE 4. If
you don't like KDE, I got 3D stereo also working with the MATE desktop
on one trial system.
Best regards,
Dirk.
On 02.04.2015 23:05, mesters wrote:
After Kay send me an email today to have a look at the wiki at
http://strucbio.biologie.uni-konstanz.de/ccp4wiki/index.php/Stereo to
add my findings, I researched things further.
I remember I wrote to the ccp4bb March 1st, 2013, asking about Nvidia
3D Vision under Linux via USB/3-pin because back then for the first
time options for USB suggested this constellation might work under
Linux as well. Nobody could confirm it worked back then so I did not
go for that option and bought an ASUS VG278HR. But because monitors
with build-in emitters are becoming extinct, we/I need the alternative
employing the Nvidia 3D Vision 2 glasses under Linux I guess.
Apparently this option is working, see
http://cismm.cs.unc.edu/core-projects/visualization-and-analysis/setting-up-a-simple-stereo-system/
otherwise the following at Nvidia would not make much sense, see
http://www.nvidia.com/object/quadro_pro_graphics_boards_linux.html /
and
ftp://download.nvidia.com/XFree86/Linux-x86/256.44/README/xconfigoptions.html
(search for USB and you will find it)
So, I ask the question again, can somebody confirm the Nvidia 3D
Vision 2 glasses with USB/3-pin now work under Linux? If so, I
withdraw my previous email.
Jeroen
Am 02.04.15 um 17:34 schrieb mesters:
Be aware though, the option 3-pin + USB for Nvidia 3D Vision 2
glasses is not running/supported under Linux!
For linux boxes and Nvidia 3D Vision 2 glasses:
You have to buy an 120Hz ASUS VG287HR (there is no other useful
option in my opinion at the moment) and whatever quadro card you buy,
make sure the card posesses a "DVI-I Dual-Link Connector" (also
termed DVI-D / DVI-I DL instead of a simple DVI) because the ASUS
VG287HR comes with a DVI-D port (no displayport 1.2 and VGA is not
usefull if you are going for 1920x1080@120hz). If the quadro card has
display ports 1.2 only, you will need a Club-3D CAC-1051 active
DisplayPort/Dual-Link DVI Adapter 330MHz for about 110 € (do not buy
the 270 mhz model, it will not work as the bandwidth is too low for
1920x1080@120hz) or for miniDisplay port cards, the Club-3D CAC-1151
active miniDisplayPort/Dual-Link DVI Adapter 330MHz.
It is better anyway to operate the glasses via the emitter of the
VG287HR monitor (no lagging behind at all) and you can forget about
getting a card with a 3-pin connector. The new entry k420 (192 cuda
cores for ± 120 €, similar to older quadro 2000) or k620 will do just
more than fine (386 cuda cores for ± 200 € is more than fast enough,
similar to oder quadro 4000).
For windows and Nvidia 3D Vision 2 glasses:
You can buy a 144Hz monitor such as the ASUS VG278HE WITHOUT build-in
emitter, but you will need to spend considerably more money for a new
card with 3-pin stereo (or buy an old model such as fx3800) to
operate the glasses by emitter in conjunction with the USB port. This
is a windows only option.
Jeroen
Am 02.04.15 um 15:17 schrieb Oganesyan, Vaheh:
Kay and others,
I think Quadro 5000 available @
http://www.amazon.com/PNY-VCQ5000-PB-DisplayPort-Profesional-Graphics/dp/B003X26T7K
is a better option both price wise and need of transforming the output into
3-pin mini DIN. Having said that I should mention difference: the memory is
2.5GB for 5000 model while K4200 has 4 GB. I believe the memory shouldn't be an
issue at that level since my 10 years old FX1400 has only 1 GB and I did not
encounter problems so far.
Vaheh Oganesyan
www.medimmune.com
-----Original Message-----
From: CCP4 bulletin board [mailto:CCP4BB@JISCMAIL.AC.UK] On Behalf Of Kay
Diederichs
Sent: Wednesday, April 01, 2015 3:31 PM
To:CCP4BB@JISCMAIL.AC.UK
Subject: Re: [ccp4bb] nVidia quadro
On Tue, 31 Mar 2015 15:04:31 -0400, Andreas
Schenk<andreas_sch...@hms.harvard.edu> wrote:
On 3/25/2015 18:10, Kay Diederichs wrote:
On Wed, 25 Mar 2015 14:16:55 -0400, David Schuller<schul...@cornell.edu> wrote:
You could check the nVidia page of officially supported displays. It
includes a search tab so you can check for "Built-in Emitter."
http://www.nvidia.com/object/3d-vision-displays.html
Performing that search brings up 5 contenders. Good luck finding any
of these products still for sale.
Unfortunately, this NVidia page has not been updated for years.
The qualifier "3D-fähig (aktiv)"
athttp://www.heise.de/preisvergleich/?cat=monlcd19wide&xf=5848_3D-f%E4hig+(aktiv)#xf_top
should indicate a built-in emitter, but I looked at some of the descriptions of these 11
monitors and was unable to confirm that they indeed have a built-in emitter. So one has to
research every specific case.
I changed the wording on the wiki page.
Kay
I went through the specs for the monitors on the Heise list, and none
of them seems to have a built in emitter compatible with Nvidia 3D
Vision 2. It looks like it is a bad time to buy a 3D monitor. At this
point it might be easier to just go for a Quadro with 3-pin connector.
Best,
Andreas
I asked the company who runs the price info site to check their assignments, and they
fixed the categories:http://geizhals.eu/?cat=monlcd19wide now has a "inkl.
3D-emitter" attribute. This currently only returns the Asus 278HR which can only be
bought in Poland, or through EBay.
The cheapest current Nvidia Quadro with (optional?) 3-pin DIN Stereo connector
(needed for Linux) is the K4200
(http://www.nvidia.de/object/quadro-desktop-gpu-specs-de.html) which starts at
~ €700.
best,
Kay
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