[chimerax-users] silhouette of transparent density

[YAO HE]

Hi Tom,

Thank you for the help.

Best,
Yao

On Fri, Aug 30, 2019 at 11:08 AM Tom Goddard <goddard at sonic.net> wrote:

> Hi Yao,
>
>   Yes ChimeraX is not showing silhouette edges on molecules behind
> transparent surfaces. This is because ChimeraX silhouette edges are drawn
> where the depth of the scene makes a jump.  The depth at a pixel is the
> depth of the front-most object, so the transparent surface causes ChimeraX
> not to see the depth of the molecule, hence no silhouette edge on the
> molecule.
>
>   I just added some code that separately draws the silhouette edges for
> opaque models and transparent models, so in tonight’s ChimeraX daily build
> it will draw silhouettes on molecules under transparent surfaces.
>
> Tom
>
> Here’s a picture Elaine Meng made illustrating the problem you described,
> showing Chimera on left and ChimeraX on right.
>
>
> On Aug 30, 2019, at 12:21 AM, YAO HE <yaohe at ucla.edu> wrote:
>
> Hi,
>
> I am using ChimeraX now to show the overlay between atomic model and
> transparent EM densities. However, when I enable the silhouette feature,
> only the transparent EM densities are affected. I am wondering if it is
> possible to also silhouette the atomic model inside. Just like "setattr M
> silhouette true #3" in Chimera.
>
> Best,
> Yao
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>
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