[vtkusers] filter volume by isosurface

[Katherine White]

Hello,

I have searched the archives and the doxygen pages, but I can't seem to
find an answer to my question.  What I want to do is take a cube of data,
say 256x256x256, generate an isosurface within that volume data, and then
do mathematical operations on the data that lies on or inside that
isosurface.  I have been able to generate isosurfaces using
vtkContourFilter and vtkMarchingCubes, but the isosurface is polydata.  I
want structured grid data inside the polydata.  Does a filter exist to do
this?

Thanks,
Kate Kerekes 
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  Katherine Kerekes
  251 South Saint Clair Street
  Apt. 4
  Pittsburgh, PA 15206

  kerekes at fastmail.fm
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