[vtkusers] PolyData to UnstructuredGrid

[David Doria]

On Wed, Feb 2, 2011 at 10:04 AM, Luca Cinquepalmi
<cinquepalmi at planetek.it> wrote:
> Hi everybody,
> I have a PolydataFile obtained with the command ParticleReader.exe which
> reads an ASCII file having the following format: X Y Z C and create a
> PolyData file. When i load the obtained PolyData file in Paraview I am able
> to apply "Clip" and "Slice" filter but not the "Contour" one. I think this
> last one can be applied only with UnstructuredGrid file. How can i convert
> PolyData file In Unstructured one? Then, if I want to interpolate values
> showed in PolydataFile, shall I use only the Delaunay 3d filter? I would
> like to use IDW or Kriging interpolator...
> Thank you very much
>
> Luca

I believe you can use the vtkAppendFilter with your polydata as input
to convert it to an unstructured grid.

David