Smooth vtkimagedata (structured data) in paraview?

[mwestphal (Mathieu Westphal (Kitware))]

You should be able to create a simple XML plugin exposing vtkImageGaussianSmooth. See https://gitlab.kitware.com/paraview/paraview/-/blob/master/Examples/Plugins/OverrideXMLOnly/Plugin/OverrideXMLOnly.xml?ref_type=heads