[Chimera-users] Selective lighting

Oliver Grant olivercgrant at gmail.com
Mon Dec 12 00:43:30 PST 2016

Thanks Elaine,

I was able to get the effect by saving a separate image of just the ligand
alone and a transparent background. I used different lighting/texture
settings for the ligand only image. Then in photoshop I manually
superimposed the brighter and shinier ligand on top of my original image.
It worked out well, but requires a few steps to see what you get.


On Tue, Dec 6, 2016 at 9:01 PM, Elaine Meng <meng at cgl.ucsf.edu> wrote:

> Hi Oliver,
> Sorry, the lighting and shininess settings are global and always apply to
> all models.  In the Lighting dialog (in menu under Tools… Viewing
> Controls), you can drag the lights around to interactively adjust their
> directions, but at least in my experience trying to spotlight some area
> doesn’t help much because other things in the vicinity will be just as
> shiny.
> It depends on what you’re showing, but you might try making everything
> except the ligand transparent.  E.g. something like
> open 2gbp
> show ligand
> rep sphere ligand
> trans 65 ~ ligand
> … or if you wanted white background, then
> back solid white
> I hope this helps,
> Elaine
> ----------
> Elaine C. Meng, Ph.D.
> UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
> Department of Pharmaceutical Chemistry
> University of California, San Francisco
> On Dec 6, 2016, at 6:31 AM, Oliver Grant <olivercgrant at gmail.com> wrote:
> Hi all,
> Is it possible to use the lighting command and have it apply only to
> particular models? I'd like my ligand to "pop" out by having a light that
> only shines on it, and not the protein.
> Oliver
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