Reimplemented from vtkUnstructuredGridSource . Methods invoked by print to print information about the object including superclasses. Reimplemented from vtkSource . This method is defined in all subclasses of vtkObject with the vtkTypeMacro found in vtkSetGet.h. Otherwise, just a single scalar value satisfying the threshold criterion enables will extract the cell.
Criterion is cells whose scalars are between lower and upper thresholds.
Criterion is cells whose scalars are less or equal to lower threshold.