make_poly_norms¶

pysac.analysis.tube3D.tvtk_tube_functions.make_poly_norms(poly_data)[source] [edit on github]¶

Extract the normal vectors from a PolyData instance (A surface).

Parameters:

poly_data: tvtk.PolyData instance

The poly data to extract normal vectors from

Returns:

poly_norms: tvtk.PolyDataNormals instance

The normal vectors