Dear Marian Oliva,
in my experience, MATE, XFCE and Plasma 5/KDE work well with 3D stereo
if the compositor is disabled. You don't even have to disable COMPOSITE
in the xorg.conf - for those desktops, it is sufficient to disable
composite in the respective desktop/compositor/window manager settings
(tested with Debian Stable and CentOS 8; unfortunately, I can't access
my documents for more details).
For Gnome 3, the picture is somewhat mixed: the gnome3 shell crashes if
you disable composite in xorg.conf. However, if you use a recent Fedora
or CentOS 8 (which is based on relatively recent Fedoras), 3D stereo
works under Gnome 3 out-of-the-box. Upon switching 3D stereo on/off, you
will notice a delay of ~1 second, before a message appears that stereo
has been enabled/disabled. I guess, in these distributions, the
compositor is somehow switched in the background without crashing the
session.
Independent of the desktop, for Fedora/CentOS 8, it might be necessary
to place a udev rule to give write permissions to the USB emitter for
regular users. So, if 3D stereo works under root, but not under a
regular user, you should create a rule like
/etc/udev/rules.d/98-nvstusb.rules, with the contents
# NVIDIA 3D Vision USB IR Emitter
SUBSYSTEM=="usb", ATTR{idVendor}=="0955", ATTR{idProduct}=="0007",
MODE="0666"
Cheers,
Dirk.
On 30.07.20 14:46, Marian Oliva wrote:
Dear colleagues.
I would like to check if some one can help me with the setup of my
hardware stereo system in Coot under Ubuntu 14
With the help of a friend I collect a bunch of second hand stuff.
1 NVIDIA 3D Video 2 system.
1 Monitor ASUS VG248 conectes through the display port
1 NVIDIA QUADRO 4000 video card.
After connecting everything and having a nightmare to install the
Legacy Drivers 390.138
And following this instructions
https://strucbio.biologie.uni-konstanz.de/ccp4wiki/index.php/Stereo
I run nvidia-xconfig --stereo=10
I connected the emitter both by USB and the DIN 3 pin conector
I connected the monitor through the Display Port
I reboot and , the emitter finally shows the green light
I can run nvidia-settings and I have the control panel
I see Stereo 3D Vision Stereo but only the left cube running.
But when I activate hardware stereo nothing works.
Does anybody have a clue of what to do?
Thanks in advance,
Marian
Marian Oliva
CSIC-Centro de Investigaciones Biológicas Margarita Salas
9, Ramiro de Maeztu
28040-Madrid (Spain)
phone: 0034 91 8373112 (x4380)
e-mail: mar...@cib.csic.es <mailto:mar...@cib.csic.es>
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Gene Center Munich
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