Hi, u may want to try this . vtkDistanceRepresentation2D *rep2D = vtkDistanceRepresentation2D::New(); rep2D->GetAxisProperty()->SetColor(1, 0, 0); vtkDistanceWidget *distanceWidget = vtkDistanceWidget::New(); distanceWidget->SetRepresentation(rep2D); -- Sent from: http://vtk.1045678.n5.nabble.com/VTK-Users-f1224199.html