test_colorconv.py 文件源码

def test_xyz2luv(self):
        assert_array_almost_equal(xyz2luv(self.xyz_array),
                                  self.luv_array, decimal=3)

        # Test the conversion with the rest of the illuminants.
        for I in ["d50", "d55", "d65", "d75"]:
            for obs in ["2", "10"]:
                fname = "luv_array_{0}_{1}.npy".format(I, obs)
                luv_array_I_obs = np.load(
                    os.path.join(os.path.dirname(__file__), 'data', fname))
                assert_array_almost_equal(luv_array_I_obs,
                                          xyz2luv(self.xyz_array, I, obs),
                                          decimal=2)
        for I in ["a", "e"]:
            fname = "luv_array_{0}_2.npy".format(I)
            luv_array_I_obs = np.load(
                os.path.join(os.path.dirname(__file__), 'data', fname))
            assert_array_almost_equal(luv_array_I_obs,
                                      xyz2luv(self.xyz_array, I, "2"),
                                      decimal=2)