[vtkusers] Smooth Data Unstructured Grid

[Seth Gilchrist]

Hello,
I have an unstructured grid that contains point data.  The point data has a
certain amount of noise associated with it and I would like to smooth the
data.  The classes vtkImageGaussianSmooth and vtkImageMedian3D require
variables in pixel units, so I assume that they won't work on unstructured
grid data.

Is there a class/way to smooth/filter the data in an unstructured grid?

Thanks,
Seth
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