    transformGraticle = vtk.vtkTransformFilter()

    reader = vtk.vtkXMLPolyDataReader()
    transformReader = vtk.vtkTransformFilter()
    graticleMapper = vtk.vtkPolyDataMapper()
    readerMapper = vtk.vtkPolyDataMapper()
    graticleActor = vtk.vtkActor()
    readerActor = vtk.vtkActor()

--
    tf = vtkTransformFilter()
    tf.SetTransform(t)
    tf.SetInputData(ug)
    tf.Update()

    # Put the transformed points back.
--
    transform_model = vtkTransformFilter()
    transform_model.SetTransform(transform)
    transform_model.SetInputConnection(selector.GetOutputPort())

    geometry = vtkGeometryFilter()
    geometry.SetInputConnection(transform_model.GetOutputPort())
--
    toroid_transform_filter = vtkTransformFilter()
    toroid_transform_filter.SetInputConnection(torus.GetOutputPort())
    toroid_transform_filter.SetTransform(toroid_transform)

    # The quadric is made of strips, so pass it through a triangle filter as
    # the curvature filter only operates on polys
--
    transFilter = vtkTransformFilter()
    transFilter.SetInputConnection(sphere.GetOutputPort())
    transFilter.SetTransform(aTransform)

    colorIt = vtkElevationFilter()
    colorIt.SetInputConnection(transFilter.GetOutputPort())
--
    arrowTF = vtkTransformFilter()
    arrowTF.SetInputConnection(arrowWT.GetOutputPort())
    arrowTF.SetTransform(arrowT)

    arrowMapper = vtkDataSetMapper()
    arrowMapper.SetInputConnection(arrowTF.GetOutputPort())
--
    arrowTF3 = vtkTransformFilter()
    arrowTF3.SetInputConnection(arrowWT2.GetOutputPort())
    arrowTF3.SetTransform(arrowT3)

    arrowMapper2 = vtkDataSetMapper()
    arrowMapper2.SetInputConnection(arrowTF3.GetOutputPort())
--
    arrowTF = vtkTransformFilter()
    arrowTF.SetInputConnection(arrowWT.GetOutputPort())
    arrowTF.SetTransform(arrowT)

    arrowMapper = vtkDataSetMapper()
    arrowMapper.SetInputConnection(arrowTF.GetOutputPort())
--
    arrowTF3 = vtkTransformFilter()
    arrowTF3.SetInputConnection(arrowWT2.GetOutputPort())
    arrowTF3.SetTransform(arrowT3)

    arrowMapper2 = vtkDataSetMapper()
    arrowMapper2.SetInputConnection(arrowTF3.GetOutputPort())
