Ejemplo n.º 1
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    def test_nan_eotf_reverse_BT2100_HLG(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
eotf_reverse_BT2100_HLG` definition nan support.
        """

        eotf_reverse_BT2100_HLG(
            np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
Ejemplo n.º 2
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    def test_nan_eotf_reverse_BT2100_HLG(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
eotf_reverse_BT2100_HLG` definition nan support.
        """

        eotf_reverse_BT2100_HLG(
            np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
Ejemplo n.º 3
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    def test_domain_range_scale_eotf_reverse_BT2100_HLG(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
eotf_reverse_BT2100_HLG` definition domain and range scale support.
        """

        F_D = 6.476039825649814
        E_p = eotf_reverse_BT2100_HLG(F_D)

        d_r = (('reference', 1), (1, 1), (100, 100))
        for scale, factor in d_r:
            with domain_range_scale(scale):
                np.testing.assert_almost_equal(eotf_reverse_BT2100_HLG(F_D *
                                                                       factor),
                                               E_p * factor,
                                               decimal=7)
Ejemplo n.º 4
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    def test_domain_range_scale_eotf_reverse_BT2100_HLG(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
eotf_reverse_BT2100_HLG` definition domain and range scale support.
        """

        F_D = 6.476039825649814
        E_p = eotf_reverse_BT2100_HLG(F_D)

        d_r = (('reference', 1), (1, 1), (100, 100))
        for scale, factor in d_r:
            with domain_range_scale(scale):
                np.testing.assert_almost_equal(
                    eotf_reverse_BT2100_HLG(F_D * factor),
                    E_p * factor,
                    decimal=7)
Ejemplo n.º 5
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    def test_n_dimensional_eotf_reverse_BT2100_HLG(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
eotf_reverse_BT2100_HLG` definition n-dimensional arrays support.
        """

        F_D = 6.476039825649814
        E_p = 0.212132034355964
        np.testing.assert_almost_equal(eotf_reverse_BT2100_HLG(F_D),
                                       E_p,
                                       decimal=7)

        F_D = np.tile(F_D, 6)
        E_p = np.tile(E_p, 6)
        np.testing.assert_almost_equal(eotf_reverse_BT2100_HLG(F_D),
                                       E_p,
                                       decimal=7)

        F_D = np.reshape(F_D, (2, 3))
        E_p = np.reshape(E_p, (2, 3))
        np.testing.assert_almost_equal(eotf_reverse_BT2100_HLG(F_D),
                                       E_p,
                                       decimal=7)

        F_D = np.reshape(F_D, (2, 3, 1))
        E_p = np.reshape(E_p, (2, 3, 1))
        np.testing.assert_almost_equal(eotf_reverse_BT2100_HLG(F_D),
                                       E_p,
                                       decimal=7)

        F_D = np.reshape(F_D, (6, 1))
        E_p = np.reshape(E_p, (6, 1))
        np.testing.assert_almost_equal(eotf_reverse_BT2100_HLG(F_D),
                                       E_p,
                                       decimal=7)

        F_D = np.array([12.49759412, 49.99037650, 158.94693746])
        E_p = np.array([0.25, 0.50, 0.75])
        np.testing.assert_almost_equal(eotf_reverse_BT2100_HLG(F_D),
                                       E_p,
                                       decimal=7)

        F_D = np.tile(F_D, (6, 1))
        E_p = np.tile(E_p, (6, 1))
        np.testing.assert_almost_equal(eotf_reverse_BT2100_HLG(F_D),
                                       E_p,
                                       decimal=7)

        F_D = np.reshape(F_D, (2, 3, 3))
        E_p = np.reshape(E_p, (2, 3, 3))
        np.testing.assert_almost_equal(eotf_reverse_BT2100_HLG(F_D),
                                       E_p,
                                       decimal=7)
Ejemplo n.º 6
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    def test_eotf_reverse_BT2100_HLG(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
eotf_reverse_BT2100_HLG` definition.
        """

        self.assertAlmostEqual(eotf_reverse_BT2100_HLG(0.0), 0.0, places=7)

        self.assertAlmostEqual(eotf_reverse_BT2100_HLG(6.476039825649814),
                               0.212132034355964,
                               places=7)

        self.assertAlmostEqual(eotf_reverse_BT2100_HLG(1000.000029239784300),
                               1.0,
                               places=7)

        self.assertAlmostEqual(eotf_reverse_BT2100_HLG(6.476039825649814,
                                                       0.001, 10000, 1.4),
                               0.125811012816761,
                               places=7)
Ejemplo n.º 7
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    def test_eotf_reverse_BT2100_HLG(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
eotf_reverse_BT2100_HLG` definition.
        """

        self.assertAlmostEqual(eotf_reverse_BT2100_HLG(0.0), 0.0, places=7)

        self.assertAlmostEqual(
            eotf_reverse_BT2100_HLG(6.476039825649814),
            0.212132034355964,
            places=7)

        self.assertAlmostEqual(
            eotf_reverse_BT2100_HLG(1000.000029239784300), 1.0, places=7)

        self.assertAlmostEqual(
            eotf_reverse_BT2100_HLG(6.476039825649814, 0.001, 10000, 1.4),
            0.125811012816761,
            places=7)
Ejemplo n.º 8
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    def test_n_dimensional_eotf_reverse_BT2100_HLG(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
eotf_reverse_BT2100_HLG` definition n-dimensional arrays support.
        """

        F_D = 6.476039825649814
        E_p = eotf_reverse_BT2100_HLG(F_D)

        F_D = np.tile(F_D, 6)
        E_p = np.tile(E_p, 6)
        np.testing.assert_almost_equal(
            eotf_reverse_BT2100_HLG(F_D), E_p, decimal=7)

        F_D = np.reshape(F_D, (2, 3))
        E_p = np.reshape(E_p, (2, 3))
        np.testing.assert_almost_equal(
            eotf_reverse_BT2100_HLG(F_D), E_p, decimal=7)

        F_D = np.reshape(F_D, (2, 3, 1))
        E_p = np.reshape(E_p, (2, 3, 1))
        np.testing.assert_almost_equal(
            eotf_reverse_BT2100_HLG(F_D), E_p, decimal=7)

        F_D = np.reshape(F_D, (6, 1))
        E_p = np.reshape(E_p, (6, 1))
        np.testing.assert_almost_equal(
            eotf_reverse_BT2100_HLG(F_D), E_p, decimal=7)

        F_D = np.array([12.49759412, 49.99037650, 158.94693746])
        E_p = np.array([0.25, 0.50, 0.75])
        np.testing.assert_almost_equal(
            eotf_reverse_BT2100_HLG(F_D), E_p, decimal=7)

        F_D = np.tile(F_D, (6, 1))
        E_p = np.tile(E_p, (6, 1))
        np.testing.assert_almost_equal(
            eotf_reverse_BT2100_HLG(F_D), E_p, decimal=7)

        F_D = np.reshape(F_D, (2, 3, 3))
        E_p = np.reshape(E_p, (2, 3, 3))
        np.testing.assert_almost_equal(
            eotf_reverse_BT2100_HLG(F_D), E_p, decimal=7)