VMD-L Mailing List

From: Joseph Bylund (joseph.bylund_at_gmail.com)
Date: Thu Nov 12 2009 - 12:43:24 CST

Rob,
I had previously experienced some problems with flickering, and solved
them by disabling all desktop effects (system->prefs->appearance->visual
effects->none). It's worth giving it a try.
-Joe

-------- Original Message --------
Subject: Re: vmd-l: problems displaying newcartoon representation
From: Axel Kohlmeyer <akohlmey_at_gmail.com>
To: Robert Meklemburg <revbobmek_at_gmail.com>
Date: 11/12/2009 01:09 PM
> On Thu, Nov 12, 2009 at 12:17 PM, Robert Meklemburg <revbobmek_at_gmail.com> wrote:
>
>> Hey everyone,
>> I recently upgraded my linux box to Karmic Koala (the newest ubuntu). The
>> issue I am having is that now the new cartoon representation will not
>> display at all. The cartoon representation works fine, but the new cartoon
>> one is actually much more useful for what we are trying to look at. I have
>>
>
> if you don't need interactive display, you can always set up your visualization
> in cartoon and then switch to NewCartoon and render with TachyonInternal.
>
>
>> tried vmd 1.8.7 and 1.8.6 with no luck. My only guess is that it is a driver
>> issue...but haven't been able to figure out which driver would be a better
>> choice. Any help/suggestions would be greatly appreciated.
>>
>
> if it is a driver issue (and i agree that it is very likely,
> _particularly_ for a
> very new and very recently released distribution with many new features),
> then this is the wrong place to get help. you have to tell the driver developers
> that it does not work properly for you and give them examples how to reproduce
> it easily.
>
>
>> Here is the video card I am using. I do not know how to check the driver
>> version, though.
>> VGA compatible controller: ATI Technologies Inc RV516 [Radeon X1300/X1550
>> Series]
>>
>
> have a look at /var/log/Xorg.0.log
> if you report your problems to the driver developers/maintainers, check if there
> are special bug reporting tools or scripts that gather the required information
> for them to upload with the bug report.
>
> in general, the current x11 drivers are in a pretty bad shape with respect to
> OpenGL programs, since there is a major rewrite of the lowlevel infrastructure
> going on and developers seem to be much more concerned to have composite
> effects working rather than implementing the OpenGL standard correctly.
>
> it would be worse if you had intel graphics in your machine...
>
> cheers,
> axel.
>
>> Thanks,
>> Rob Meklemburg
>> Dept. of Biophysics and Physiology
>> Case Western Reserve University
>>
>
>
>
>