[vtkusers] Set vertex normals ?

[Ronald Levine]

I have a large quad mesh (easily decomposed into a set of triangle strips)
whose positions AND vertex normals (point normals) are mathematically
generated.  I want to render the surface with Gouraud shading using my
supplied vertex normals.  I do not want the system to estimate the point
normals from the triangle geometry.

Working in Python, where it's easy to experiment, I don't see any way to do
that.  Neither does reading the C++ documentation provide any clues.

Thanks for any helpful comments.

RL



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