[vtkusers] Tangent through a given point on a surface
weiherer.maximilian at gmx.de
Wed Feb 27 09:48:33 EST 2019
how can I calculate a tangent (in 3d usually a plane) through a given point
on a surface using VTK? I already tried the following:
- Use an implicit dataset to transform polydata to an implicit
surface representation and then
- calculate the gradient at the given point using the method
However, the gradient I received seems to be wrong (which is (0, 0, 1)).
Any help would be appreciated.
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