[Chimera-users] Coloring map by curvature

Tom Goddard goddard at sonic.net
Tue Jan 28 16:36:48 PST 2014


Hi Joel,

  No, Chimera does not compute surface curvature.  It would not be too hard to make a Python script that computed it and used it to color a surface.  The main trouble is defining numerically the curvature for a triangulated surface at each vertex.  Why are you interested in this?  Is the idea to simulate ambient occlusion lighting where surface cavities are dark and projections are brighter?  Is the idea to try it on EM maps or molecular surfaces?

	Tom


On Jan 28, 2014, at 2:29 PM, Joel Meyerson wrote:

> Hi,
> Is it possible to color a map based on surface curvature?
> Thanks,
> Joel
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