def METHOD_NAME(self):
    # Define an alternate, rotated coordinate system to test."
    self.default_ellipsoid = GeogCS(PP_DEFAULT_EARTH_RADIUS)
    cs = RotatedGeogCS(grid_north_pole_latitude=90.0,
                       grid_north_pole_longitude=0.0,
                       ellipsoid=self.default_ellipsoid)
    return cs