[vtkusers] is vtkClipPolyData slow?

[Sam Raby]

Hi -

I have the following codes to clip a model, but when I update the Plane to
generate the new clipped surface it is very slow. Is there a way to make
this faster? or is there another vtk class to perform faster?

vtkSmartPointer<vtkPlane> clipPlane =  vtkSmartPointer<vtkPlane>::New();
clipPlane->SetNormal(1, 1, 0);
clipPlane->SetOrigin(0.0, -10.0, 0.0 );

vtkSmartPointer<vtkClipPolyData> clipper =
vtkSmartPointer<vtkClipPolyData>::New();
clipper->SetInputData( reader->GetOutput() );
clipper->SetClipFunction( clipPlane );


thanks
-S
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