[Chimera-users] less color depth possible?

[Greg Couch]

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


On 1/27/2021 11:00 AM, Cheng, Tat wrote:
>
> 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 at sonic.net>
> *Sent:* Wednesday, January 27, 2021 6:48:46 PM
> *To:* Cheng, Tat
> *Cc:* chimera-users at 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 at biochem.mpg.de 
>> <mailto:tcheng at 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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