vtkSmartPointer<vtkPolyDataMapper> mVFMapper;
vtkSmartPointer<vtkLookupTable> mVFColorLUT;
vtkSmartPointer<vtkActor> mVFActor;
vtkSmartPointer<vtkPolyDataMapper> mVFMapper;
vtkSmartPointer<vtkLookupTable> mVFColorLUT;
vtkSmartPointer<vtkActor> mVFActor;