[vtkusers] face vs vertex normals
alethea at anatomage.com
Thu Dec 5 16:35:12 EST 2013
Does anyone know if it's possible to have a vtkPolyData->vtkPolyDataNormals that uses face normals for some vertices, and vertex normals for others?
We have a case where our poly data has some large flat regions, and some high-resolution smooth regions. At the juncture of these regions, vertex normals look weird because the flat regions end up with the interpolated normal from the curved regions. We cannot use vertex splitting because the output mesh can't have duplicate vertices. It seems like vtkPolyDataNormals will only allow an all or nothing approach to face vs vertex normals.
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