[vtkusers] vtkExtractGeometry ExtractOnlyBoundaryCellsOn not working as expected?

Hong Yi hongyi at renci.org
Wed May 4 22:48:36 EDT 2011


Hello,

I am trying to use vtkExtractGeometry to extract only boundary cells on a cutting plane by passing in the cutting plane as an implicit function. I set ExtractOnlyBoundaryCellsOn and ExtractBoundaryCellsOn on vtkExtractGeometry. However, all geometry cells that are inside the implicit function (i.e., all geometry cells on one side of the cutting plane) are always extracted also regardless ExtractOnlyBoundaryCells being on. Is this a bug or I missed something to get it working correctly?

Many thanks for any pointers on this.

Hong
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