boundary->SetInputData( input );
boundary->BoundaryEdgesOn ();
boundary->FeatureEdgesOff ();
boundary->NonManifoldEdgesOff ();
boundary->ManifoldEdgesOff ();
boundary->SetInputData( input );
boundary->BoundaryEdgesOn ();
boundary->FeatureEdgesOff ();
boundary->NonManifoldEdgesOff ();
boundary->ManifoldEdgesOff ();