    table_pd = vtkTableToPolyData()
    table_pd.SetInputConnection(points_reader.GetOutputPort())
    if ecef:
        table_pd.SetXColumn('X(m)')
        table_pd.SetYColumn('Y(m)')
        table_pd.SetZColumn('Z(m)')
--
    table_points = vtkTableToPolyData()
    table_points.SetInputConnection(points_reader.GetOutputPort())
    table_points.SetXColumn('x')
    table_points.SetYColumn('y')
    table_points.SetZColumn('z')
    table_points.Update()
