def METHOD_NAME(self):
    site_a = Point(10., 44.57, 0.)
    self.pp = projection_pp(site_a, self.normal, self.dist_to_plane,
                            self.origin)
    pd, e, idx_nxtp = directp(self.p0, self.p1, self.p2, self.p3,
                              self.hypocentre, self.origin, self.pp)
    fs, rd, r_hyp = average_s_rad(site_a, self.hypocentre, self.origin,
                                  self.pp, self.normal, self.dist_to_plane,
                                  e, self.p0, self.p1, self.delta_slip)
    c_prime = isochone_ratio(e, rd, r_hyp)
    # The value used for this test is from the DPP author Dr. Chiou
    # for the case, ss3, pure strike slip
    self.assertAlmostEqual(fs, 0.9931506, delta=0.1)
    self.assertAlmostEqual(rd, 70.4828, delta=0.1)
    self.assertAlmostEqual(r_hyp, 85.5862, delta=0.1)
    self.assertAlmostEqual(e, 15.1034495, delta=0.1)
    self.assertAlmostEqual(idx_nxtp, 0., delta=0.1)
    self.assertAlmostEqual(c_prime, 4., delta=0.1)