Dear Stuart,
I did test that (removing the .CCP4MG2 directory and its contents) and
it gave the same ugly graphics.
There are problems with Alma Linux and the "Secure Boot" on this Hewlett
Packard Z4 computer. This I have noticed. The secure boot option wants
to load a signed graphics driver at boot time and I did not find a way
to sign the NVIDIA driver (downloaded from the NVIDIA site as a .run
file for installation) in a way that the system recognizes it. The
recommended way of installing the NVIDIA driver on the Alma Linux pages
doesn't allow to run later kernels when they become available (trying
using dnf or yum and rebooting on a new kernel means a totally bricked
computer).
So far the only option that seems to work is not to allow Secure Boot
and not to allow Legacy settings. Otherwise the computer is bricked and
requires a fresh installation of Linux. I don't know how many times I've
had to re-install Alma Linux...
Jan Dohnalek mentioned that the ugly graphics could be due to a lack of
memory problem. I am investigating that.
Cheers,
Fred.
On 1/17/24 11:47, Stuart McNicholas wrote:
Dear Fred,
Many apologies for your difficulties. My first thought is that
perhaps CCP4MG's lighting settings are completely messed up. This can
be tested by removing completely the folder:
$HOME/.CCP4MG2
If this does not work, then further investigation will be required.
Also, in CCP4 we are working on a new graphics program: Moorhen.
Currently most of our effort has been on model building aspects (it is
based on Coot), but we are also working on figure preparation and it
should over the next few months adopt most of the features of CCP4MG.
https://moorhen-coot.github.io/wiki/2023/11/03/Creating-Figures-with-Moorhen.html
(tutorial)
https://moorhen.org/ (the program)
Best wishes,
Stuart
On Wed, 17 Jan 2024 at 09:17, Frederic Vellieux
<[email protected]> wrote:
Dear all,
Perhaps a reader of the bb will have a solution for this problem.
ccp4
is version 8.0 and is up to date. All graphics programs (coot, but
also
other non-ccp4 software such as chimeraX, Pymol...) run fine on the
Alma-Linux 9.3 system. There is a problem however with ccp4mg: the
images appearing on the screen are... wrong and quite useless (see
enclosed png screen capture). There is no error message at program
startup.
I have disabled and blacklisted the nouveau graphics board driver and
installed the NVIDIA driver. Made no difference.
So has anyone seen this behaviour before and has a solution to
propose?
Thank you.
Regards,
Fred.
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