Exemple #1
0
    def test_n_dimensional_oetf_reverse_BT2100_PQ(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
oetf_reverse_BT2100_PQ` definition n-dimensional arrays support.
        """

        E_p = 0.724769816665726
        E = 0.1
        np.testing.assert_almost_equal(oetf_reverse_BT2100_PQ(E_p),
                                       E,
                                       decimal=7)

        E_p = np.tile(E_p, 6)
        E = np.tile(E, 6)
        np.testing.assert_almost_equal(oetf_reverse_BT2100_PQ(E_p),
                                       E,
                                       decimal=7)

        E_p = np.reshape(E_p, (2, 3))
        E = np.reshape(E, (2, 3))
        np.testing.assert_almost_equal(oetf_reverse_BT2100_PQ(E_p),
                                       E,
                                       decimal=7)

        E_p = np.reshape(E_p, (2, 3, 1))
        E = np.reshape(E, (2, 3, 1))
        np.testing.assert_almost_equal(oetf_reverse_BT2100_PQ(E_p),
                                       E,
                                       decimal=7)
Exemple #2
0
    def test_nan_oetf_reverse_BT2100_PQ(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
oetf_reverse_BT2100_PQ` definition nan support.
        """

        oetf_reverse_BT2100_PQ(
            np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
    def test_nan_oetf_reverse_BT2100_PQ(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
oetf_reverse_BT2100_PQ` definition nan support.
        """

        oetf_reverse_BT2100_PQ(
            np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
    def test_oetf_reverse_BT2100_PQ(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
oetf_reverse_BT2100_PQ` definition.
        """

        self.assertAlmostEqual(
            oetf_reverse_BT2100_PQ(0.000000730955903), 0.0, places=7)

        self.assertAlmostEqual(
            oetf_reverse_BT2100_PQ(0.724769816665726), 0.1, places=7)

        self.assertAlmostEqual(
            oetf_reverse_BT2100_PQ(0.999999934308041), 1.0, places=7)
    def test_domain_range_scale_oetf_reverse_BT2100_PQ(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
oetf_reverse_BT2100_PQ` definition domain and range scale support.
        """

        E_p = 0.724769816665726
        E = oetf_reverse_BT2100_PQ(E_p)

        d_r = (('reference', 1), (1, 1), (100, 100))
        for scale, factor in d_r:
            with domain_range_scale(scale):
                np.testing.assert_almost_equal(oetf_reverse_BT2100_PQ(E_p *
                                                                      factor),
                                               E * factor,
                                               decimal=7)
    def test_domain_range_scale_oetf_reverse_BT2100_PQ(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
oetf_reverse_BT2100_PQ` definition domain and range scale support.
        """

        E_p = 0.724769816665726
        E = oetf_reverse_BT2100_PQ(E_p)

        d_r = (('reference', 1), (1, 1), (100, 100))
        for scale, factor in d_r:
            with domain_range_scale(scale):
                np.testing.assert_almost_equal(
                    oetf_reverse_BT2100_PQ(E_p * factor),
                    E * factor,
                    decimal=7)
Exemple #7
0
    def test_oetf_reverse_BT2100_PQ(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
oetf_reverse_BT2100_PQ` definition.
        """

        self.assertAlmostEqual(oetf_reverse_BT2100_PQ(0.000000730955903),
                               0.0,
                               places=7)

        self.assertAlmostEqual(oetf_reverse_BT2100_PQ(0.724769816665726),
                               0.1,
                               places=7)

        self.assertAlmostEqual(oetf_reverse_BT2100_PQ(0.999999934308041),
                               1.0,
                               places=7)
    def test_n_dimensional_oetf_reverse_BT2100_PQ(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
oetf_reverse_BT2100_PQ` definition n-dimensional arrays support.
        """

        E_p = 0.724769816665726
        E = oetf_reverse_BT2100_PQ(E_p)

        E_p = np.tile(E_p, 6)
        E = np.tile(E, 6)
        np.testing.assert_almost_equal(
            oetf_reverse_BT2100_PQ(E_p), E, decimal=7)

        E_p = np.reshape(E_p, (2, 3))
        E = np.reshape(E, (2, 3))
        np.testing.assert_almost_equal(
            oetf_reverse_BT2100_PQ(E_p), E, decimal=7)

        E_p = np.reshape(E_p, (2, 3, 1))
        E = np.reshape(E, (2, 3, 1))
        np.testing.assert_almost_equal(
            oetf_reverse_BT2100_PQ(E_p), E, decimal=7)