Hi everybody!

I have this face scene,where I have to define different region based on the
location on the face(Such as one region for nose other for lips..and so on) but
the problem I am facing is that even though I know the coordinate for all the
triangle in the scene file i don't know which one corresponds to which region
and I can't do this randomly since scene file has 15000 triangles.

I would appreciate if you guys could help me out here.
Thanks

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