    geometry = vtkGeometryFilter()
    geometry.SetInputConnection(transform_model.GetOutputPort())

    mapper = vtkPolyDataMapper()
    mapper.SetInputConnection(geometry.GetOutputPort())
    mapper.SetScalarRange(start_label, end_label)
--
    geometry = vtkGeometryFilter()
    writer = vtkXMLPolyDataWriter()

    # Define all of the variables
    file_prefix = 'Label'
    smoothing_iterations = 15
