Python log_decoding_ERIMMRGB Examples

Example #1

File: test_rimm_romm_rgb.py Project: colour-science/colour

    def test_log_decoding_ERIMMRGB(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_decoding_ERIMMRGB` definition.
        """

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

        self.assertAlmostEqual(
            log_decoding_ERIMMRGB(0.410052389492129), 0.18, places=7)

        self.assertAlmostEqual(
            log_decoding_ERIMMRGB(0.545458327405113), 1.0, places=7)

        np.testing.assert_allclose(
            log_decoding_ERIMMRGB(105, in_int=True),
            0.18,
            atol=0.005,
            rtol=0.005)

        np.testing.assert_allclose(
            log_decoding_ERIMMRGB(1679, bit_depth=12, in_int=True),
            0.18,
            atol=0.005,
            rtol=0.005)

Example #2

File: test_rimm_romm_rgb.py Project: vidakDK/colour

    def test_n_dimensional_log_decoding_ERIMMRGB(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_decoding_ERIMMRGB` definition n-dimensional arrays support.
        """

        X_p = 0.410052389492129
        X = log_decoding_ERIMMRGB(X_p)

        X_p = np.tile(X_p, 6)
        X = np.tile(X, 6)
        np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_p),
                                       X,
                                       decimal=7)

        X_p = np.reshape(X_p, (2, 3))
        X = np.reshape(X, (2, 3))
        np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_p),
                                       X,
                                       decimal=7)

        X_p = np.reshape(X_p, (2, 3, 1))
        X = np.reshape(X, (2, 3, 1))
        np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_p),
                                       X,
                                       decimal=7)

Example #3

File: test_rimm_romm_rgb.py Project: ajun73/Work_Code

    def test_n_dimensional_log_decoding_ERIMMRGB(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_decoding_ERIMMRGB` definition n-dimensional arrays support.
        """

        X_ERIMM = 104.563359320492940
        X = 0.18
        np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_ERIMM),
                                       X,
                                       decimal=7)

        X_ERIMM = np.tile(X_ERIMM, 6)
        X = np.tile(X, 6)
        np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_ERIMM),
                                       X,
                                       decimal=7)

        X_ERIMM = np.reshape(X_ERIMM, (2, 3))
        X = np.reshape(X, (2, 3))
        np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_ERIMM),
                                       X,
                                       decimal=7)

        X_ERIMM = np.reshape(X_ERIMM, (2, 3, 1))
        X = np.reshape(X, (2, 3, 1))
        np.testing.assert_almost_equal(log_decoding_ERIMMRGB(X_ERIMM),
                                       X,
                                       decimal=7)

Example #4

File: test_rimm_romm_rgb.py Project: vidakDK/colour

    def test_log_decoding_ERIMMRGB(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_decoding_ERIMMRGB` definition.
        """

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

        self.assertAlmostEqual(log_decoding_ERIMMRGB(0.410052389492129),
                               0.18,
                               places=7)

        self.assertAlmostEqual(log_decoding_ERIMMRGB(0.545458327405113),
                               1.0,
                               places=7)

        np.testing.assert_allclose(log_decoding_ERIMMRGB(105, in_int=True),
                                   0.18,
                                   atol=0.005,
                                   rtol=0.005)

        np.testing.assert_allclose(log_decoding_ERIMMRGB(1679,
                                                         bit_depth=12,
                                                         in_int=True),
                                   0.18,
                                   atol=0.005,
                                   rtol=0.005)

Example #5

File: tests_rimm_romm_rgb.py Project: Nick-Shaw/colour

    def test_n_dimensional_log_decoding_ERIMMRGB(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_decoding_ERIMMRGB` definition n-dimensional arrays support.
        """

        L = 104.563359320492940
        V = 0.18
        np.testing.assert_almost_equal(
            log_decoding_ERIMMRGB(L),
            V,
            decimal=7)

        L = np.tile(L, 6)
        V = np.tile(V, 6)
        np.testing.assert_almost_equal(
            log_decoding_ERIMMRGB(L),
            V,
            decimal=7)

        L = np.reshape(L, (2, 3))
        V = np.reshape(V, (2, 3))
        np.testing.assert_almost_equal(
            log_decoding_ERIMMRGB(L),
            V,
            decimal=7)

        L = np.reshape(L, (2, 3, 1))
        V = np.reshape(V, (2, 3, 1))
        np.testing.assert_almost_equal(
            log_decoding_ERIMMRGB(L),
            V,
            decimal=7)

Example #6

File: test_rimm_romm_rgb.py Project: colour-science/colour

    def test_nan_log_decoding_ERIMMRGB(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_decoding_ERIMMRGB` definition nan support.
        """

        log_decoding_ERIMMRGB(
            np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))

Example #7

File: test_rimm_romm_rgb.py Project: vidakDK/colour

    def test_nan_log_decoding_ERIMMRGB(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_decoding_ERIMMRGB` definition nan support.
        """

        log_decoding_ERIMMRGB(
            np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))

Example #8

File: test_rimm_romm_rgb.py Project: colour-science/colour

    def test_domain_range_scale_log_decoding_ERIMMRGB(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_decoding_ERIMMRGB` definition domain and range scale support.
        """

        X_p = 0.410052389492129
        X = log_decoding_ERIMMRGB(X_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(
                    log_decoding_ERIMMRGB(X_p * factor), X * factor, decimal=7)

Example #9

File: test_rimm_romm_rgb.py Project: ajun73/Work_Code

    def test_log_decoding_ERIMMRGB(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_decoding_ERIMMRGB` definition.
        """

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

        self.assertAlmostEqual(log_decoding_ERIMMRGB(104.563359320492940),
                               0.18,
                               places=7)

        self.assertAlmostEqual(log_decoding_ERIMMRGB(139.09187348830370),
                               1.0,
                               places=7)

Example #10

File: test_rimm_romm_rgb.py Project: colour-science/colour

    def test_domain_range_scale_log_decoding_ERIMMRGB(self):
        """
        Test :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_decoding_ERIMMRGB` definition domain and range scale support.
        """

        X_p = 0.410052389492129
        X = log_decoding_ERIMMRGB(X_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(
                    log_decoding_ERIMMRGB(X_p * factor), X * factor, decimal=7
                )

Example #11

File: tests_rimm_romm_rgb.py Project: Nick-Shaw/colour

    def test_log_decoding_ERIMMRGB(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_decoding_ERIMMRGB` definition.
        """

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

        self.assertAlmostEqual(
            log_decoding_ERIMMRGB(104.563359320492940),
            0.18,
            places=7)

        self.assertAlmostEqual(
            log_decoding_ERIMMRGB(139.09187348830370),
            1.0,
            places=7)

Example #12

File: tests_rimm_romm_rgb.py Project: crowsonkb/colour

    def test_n_dimensional_log_decoding_ERIMMRGB(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_decoding_ERIMMRGB` definition n-dimensional arrays support.
        """

        L = 104.563359320492940
        V = 0.18
        np.testing.assert_almost_equal(log_decoding_ERIMMRGB(L), V, decimal=7)

        L = np.tile(L, 6)
        V = np.tile(V, 6)
        np.testing.assert_almost_equal(log_decoding_ERIMMRGB(L), V, decimal=7)

        L = np.reshape(L, (2, 3))
        V = np.reshape(V, (2, 3))
        np.testing.assert_almost_equal(log_decoding_ERIMMRGB(L), V, decimal=7)

        L = np.reshape(L, (2, 3, 1))
        V = np.reshape(V, (2, 3, 1))
        np.testing.assert_almost_equal(log_decoding_ERIMMRGB(L), V, decimal=7)

Example #13

File: test_rimm_romm_rgb.py Project: colour-science/colour

    def test_n_dimensional_log_decoding_ERIMMRGB(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_decoding_ERIMMRGB` definition n-dimensional arrays support.
        """

        X_p = 0.410052389492129
        X = log_decoding_ERIMMRGB(X_p)

        X_p = np.tile(X_p, 6)
        X = np.tile(X, 6)
        np.testing.assert_almost_equal(
            log_decoding_ERIMMRGB(X_p), X, decimal=7)

        X_p = np.reshape(X_p, (2, 3))
        X = np.reshape(X, (2, 3))
        np.testing.assert_almost_equal(
            log_decoding_ERIMMRGB(X_p), X, decimal=7)

        X_p = np.reshape(X_p, (2, 3, 1))
        X = np.reshape(X, (2, 3, 1))
        np.testing.assert_almost_equal(
            log_decoding_ERIMMRGB(X_p), X, decimal=7)