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<DIV><FONT face=Arial size=2>stupid me! </FONT></DIV>
<DIV><FONT face=Arial size=2>ok, finally i found the answer by myself. a simple
cast does it:</FONT></DIV>
<DIV><FONT face=Arial size=2>.. ->SetInput( (vtkDataSet
*)plane->GetOutput() );</FONT></DIV>
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