    color = vtkVectorDot()
    color.SetInputConnection(normals.GetOutputPort())

    lut = vtkLookupTable()
    MakeLUT(color_scheme, lut)

--
    color = vtkVectorDot()
    color.SetInputConnection(warp.GetOutputPort())
    plateMapper = vtkDataSetMapper()
    plateMapper.SetInputConnection(warp.GetOutputPort())
    plateActor = vtkActor()
    plateActor.SetMapper(plateMapper)
