    pyramid = vtkPyramid()
    for i in range(0, numberOfVertices):
        pyramid.GetPointIds().SetId(i, i)

    ug = vtkUnstructuredGrid()
    ug.SetPoints(points)
--
    pyramid = vtkPyramid()
    for i in range(0, number_of_vertices):
        pyramid.GetPointIds().SetId(i, i)

    ug = vtkUnstructuredGrid()
    ug.SetPoints(points)
--
    pyramid = vtkPyramid()
    pyramid.GetPointIds().SetId(0, 0)
    pyramid.GetPointIds().SetId(1, 1)
    pyramid.GetPointIds().SetId(2, 2)
    pyramid.GetPointIds().SetId(3, 3)
    pyramid.GetPointIds().SetId(4, 4)
