Mesh internal surface smoothing behavior changed in vtkWindowedSincPolyDataFilter - Support - VTK

It seems that the rewrite of vtkWindowedSincPolyDataFilter (that amazingly improved its performance) also changed how internal surfaces are smoothed. Smoothing of internal surfaces are important because when we segment a medical image we usually annotate many adjacent structures that have common surfaces and when we apply smoothing then we want to smooth surface of each structure and not just the outer surface of the entire segmented region. The old version (VTK8) smoothed the internal surfaces

Very long time to deform FE mesh with Thin-plate Spline Transformation - Support - VTK

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Determine point inside/outside enclosed surface - Support - VTK

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Plot on Intersection Curves with adapted meshes - ParaView Support - ParaView

Change in rendering of semi-opaque solid meshes with edges enabled - Support - VTK

vtk: how to smooth surface? - Support - VTK

PDF) The VTK User's Guide 11th Edition Contributors

Feature request: add ACVD uniform remeshing filter - Development - VTK

VESPA: Advanced Mesh Processing Based on CGAL for VTK and ParaView

vtkWindowedSincPolydataFilter not affecting polydata · Issue #2082 · Kitware/vtk-js · GitHub