Reducing number of polygons

[Rainer Carstens]

Hy!
I generate a new vtkActor with a boolean operation, using a 
sample-rate that results in an adequate looking element. Anyway,
the new actor usually has quite a lot of polygons to represent
its' shape. I wonder if there is a way to reduce this number - e.g.
sizing up some of the boundary-cells or something comparable.

Thanx for help,
  Rainer

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