[vtkusers] VTK and Numpy

[Peter Halverson]

I'm attempting to export VTK data into numpy using vtk_to_numpy.  The
program reads in a set of DICOM files using vtkDICOMImageReader. Filters the
image using vtkContourFilter, and some other stuff and then displays the
rendered solid. I would then like to export the data to Numpy so i do the
following scalars=skin.GetMapper().GetInput().GetPointData().GetScalars()

Which gives me the scalars that I am looking for.  My question is how do get
the [x,y,z] data to go with the scalars into numpy?

skin.GetMapper().GetInput().GetWholeExtent() gives me the correct dimensions
(0, 511, 0, 511, 0, 56) but I have exported less scalars than this...
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