[chimerax-users] Appearance of thick edges

[Tom Goddard]

As the ChimeraX documentation explains, the silhouette edge calculation does depend on the depth jump between neighboring pixels as a fraction of the clip plane separation.

	https://www.rbvi.ucsf.edu/chimerax/docs/user/commands/set.html#silhouetteDepthJump <https://www.rbvi.ucsf.edu/chimerax/docs/user/commands/set.html#silhouetteDepthJump>

Please check the documentation before asking questions.  You ask a lot of questions that are already answered in the documentation.

	Tom


> On Jul 11, 2019, at 1:51 PM, Yazan Abbas <yazan.abbas at gmail.com> wrote:
> 
> Hi Elaine, 
> 
> The thin silhouettes at the edges in my image are intentional, it is the thicker silhouettes where the model curves that are bothering me. They seem to intensify as the clipping changes, or when I rotate the model. In other figures I am preparing, the silhouettes are even more intense especially in cartoon helix tube mode and around the the curved parts of the tube (see image attached). They just appeared at one point in my session and I can't make them go away. They were definitely not there before even when silhouettes were turned on.
> 
> Yazan
> 
> 
> 
> On Wed, Jul 10, 2019 at 8:30 PM Elaine Meng <meng at cgl.ucsf.edu <mailto:meng at cgl.ucsf.edu>> wrote:
> Hi Yazan,
> Those are “silhouettes” and you can toggle them on and off with the icon that looks like a seahorse outline in the Graphics tab of the Toolbar, or with the “set” command.
> 
> <http://rbvi.ucsf.edu/chimerax/docs/user/tools/graphics.html <http://rbvi.ucsf.edu/chimerax/docs/user/tools/graphics.html>>
> <http://rbvi.ucsf.edu/chimerax/docs/user/commands/set.html#silhouettes <http://rbvi.ucsf.edu/chimerax/docs/user/commands/set.html#silhouettes>>
> 
> The thickness and color of the lines are also adjustable with the “set” command.
> 
> See also “making images” list of image-related commands:
> <http://rbvi.ucsf.edu/chimerax/docs/user/images.html <http://rbvi.ucsf.edu/chimerax/docs/user/images.html>>
> 
> I hope this helps,
> Elaine
> -----
> Elaine C. Meng, Ph.D.                       
> UCSF Chimera(X) team
> Department of Pharmaceutical Chemistry
> University of California, San Francisco
> 
> > On Jul 10, 2019, at 9:07 AM, Yazan Abbas <yazan.abbas at gmail.com <mailto:yazan.abbas at gmail.com>> wrote:
> > 
> > Hi all, 
> > While playing around with lighting settings, thick black lines appear on the edges of my model (picture attached) that do not go away when I reset lighting conditions. Is it a "feature" or a bug?
> > 
> > I tried playing around with all or most of the lighting options to find one that would get rid of them, but that didn't work.
> > Thanks, 
> > Yazan
> > 
> <Screenshot from 2019-07-11 16-47-21.png>_______________________________________________
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