[Chimera-users] Dim colors in Chimera on OS X 10.10 public beta (Yosemite)

Jethro Hemmann j.hemmann at gmail.com
Wed Oct 8 14:10:13 PDT 2014


Thank you Conrad and Jaime for you answers.
The debug options indeed fixed the problem. Instead of disabling
DrawElementsInstanced, disabling Shading also seems to work.

Jethro

2014-10-08 23:04 GMT+02:00 Jaime Stark <jlstark at wisc.edu>:

> I was seeing this problem too in Yosemite. It’s easily fixed by turning on
> the “Debug OpenGL on startup” as Conrad suggests. When you next start
> Chimera, in the OpenGL options that popup, disable DrawElementsInstanced.
> That will fix the dim coloring for small molecules on Yosemite for now.
>
> Jaime
>
> ===================================
> Jaime L. Stark, Ph.D.
> Postdoctoral Research Associate at NMRFAM
> University of Wisconsin - Madison
> Department of Biochemistry
> DeLuca Biochemical Laboratories
> Room B160H
> 433 Babcock Drive
> Madison, WI  53706
> Email: jlstark at wisc.edu
> Phone: (608) 262-0459
> Website: http://www.nmrfam.wisc.edu
> ===================================
>
>
>
>
>
>
> On Oct 8, 2014, at 3:48 PM, Conrad Huang <conrad at cgl.ucsf.edu> wrote:
>
> Unfortunately, we have not tested Chimera on Yosemite yet.  It is highly
> likely that there is some OpenGL issue given the images that you are
> seeing.  We will try to get to this soon, but we're pretty tight on
> programmer resources.
>
> If you feel adventurous (which I assume you are since you're running
> Yosemite :-) ), you can try playing with some OpenGL options by going to
> the General category in Preferences and turn on "Debug OpenGL on startup".
> The next time you start Chimera, it should display a dialog where you can
> selectively turn certain OpenGL options on and off (see
> http://www.cgl.ucsf.edu/chimera/docs/ContributedSoftware/debug/debug.html).
> If you discover anything, please let us know.
>
> Conrad
>
> On 10/8/2014 2:31 AM, Jethro Hemmann wrote:
>
> Hi,
>
> I'm currently using Chimera on my Macbook running the public beta of
> Yosemite.
>
> The colors of the molecules appear very dim and they are hard to
> recognize, as can be seen in the attached screenshot. In this example,
> the lipid chains are colored orange, while the water molecules should by
> cyan.
> The colors in the menu Actions --> Color seem to appear with their
> correct brightness, although.
>
> I also tried the daily build of the alpha version of Chimera, but the
> problem persists.
>
> Is this problem related to Yosemite? Or do I have to adjust some settings?
>
> Thanks a lot,
>
> Jethro
>
>
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