[vtkusers] Problem with vtkGDCMPolyDataReader and vtkVoxelContoursToSurfaceFilter

[Jothy]

Hi all,

I want to create a surface from the vtkPolyData read by
vtkVoxelContoursToSurfaceFilter from a DICOM RT Struct set. But the problem
is every slice of each structure is shown as  separate surface (see figure
attached). I think the vtkGDCMPolyDataReader returns every contour as a
separate polyData. How to merge the polyData of a particular structure into
one vtkPolyData.

Thanks

Jothy
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