Methods invoked by print to print information about the object including superclasses. Reimplemented from vtkAbstractPropPicker . Reimplemented in vtkCellPicker , and vtkPointPicker . This method is defined in all subclasses of vtkObject with the vtkTypeMacro found in vtkSetGet.h. Reimplemented from vtkAbstractPropPicker .
Tolerance is specified as fraction of rendering window size.