Tat,

To use ChimeraX with x2go, you need to install virtualgl and then use "vglrun chimerax" to run ChimeraX.  The problem is probably not the 24-bit visual, but the OpenGL support.

    -- Greg

Hi Tom,

Thanks for your message. Here is the error message. I am confused as well, because X2go should be running at 24 bit as I read from the internet.

Tat

---

From: Tom Goddard <goddard@sonic.net>
Sent: Wednesday, January 27, 2021 6:48:46 PM
To: Cheng, Tat
Cc: chimera-users@cgl.ucsf.edu
Subject: Re: [Chimera-users] less color depth possible?

 

Hi Tat,

  Chimera has no controls for color depth.  I guess its OpenGL rendering asks for 8-bit color depth for the OpenGL context.  What error does Chimera give?  Using less than 8-bit color depth for visualization is absurd.  X2Go must be able to do 24.

Tom

On Jan 27, 2021, at 1:00 AM, Cheng, Tat <tcheng@biochem.mpg.de> wrote:

Hi all,

We are trying to set up cryoEM data processing in the university HPC. We use X2go for remote accessing the HPC, but it doesn't have enough color depth, so Chimera (24-bit) doesn't start. 

One workaround is to download the volume from HPC to local machine, but it is less convenient. But I wonder is there a way to use Chimera in less color?

Thanks a lot.

Best,

Tat

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