[vtkusers] Create surface from multiple contours

[Jean-Paul Aben]

Dear All,

I have multiple contours, where the points are 3D coordinates (floating).
Each 3D contour is within one plane. The last contour exist of one 3D
point. The contours represent a kind of a half cone.

I want to genarte one surface of them. I tried to use solve it with
the vtkVoxelContoursToSurfaceFilter.
However, its difficult to have different z-distance between the contours.
Furthmore, the surface looks stramge when closing the "cone".

I assume there would be a better way, directly in scalar. Using the
vtkVoxelContoursToSurfaceFilter
makes first a 3D voxel volume and then extracts the contour.

I hope someone could help me with this. I simple C++ code would be very
helpfull, since i just started to use vtk.

Kind regards,
Jean-Paul
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