[vtkusers] question about vtkDecimatePro

[NB]

Hi there,

I'm new to vtk. I'm going to use vtkDecimatePro to simplify a 3D surface.
To get a surface with less obtuse triangles, I tried to use
vtkDecimatePro::SetDegree(), I set degree to 8 but it never work.

Could anyone give me some advices on this?

Another question is that is there any built-in method in vtk to do
non-obtuse or isotropic surface re-meshing?

Thanks a lot!
NB
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