    mapper = vtkPolyDataMapper2D()
    mapper.SetInputData(Grid)
    mapper.SetTransformCoordinate(normCoords)
    gridActor = vtkActor2D()
    gridActor.SetMapper(mapper)
    gridActor.GetProperty().SetColor(colors.GetColor3d('DimGray'))
--
    mapper = vtkPolyDataMapper2D()
    mapper.SetInputConnection(glyphFilter.GetOutputPort())
    mapper.Update()

    actor = vtkActor2D()
    actor.SetMapper(mapper)
--
    mapper = vtkPolyDataMapper2D()
    mapper.SetInputData(poly)
    mapper.SetTransformCoordinate(coordinate)

    actor = vtkActor2D()
    actor.SetMapper(mapper)
