Ejemplo n.º 1
0
    def test_n_dimensional_log_decoding_REDLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.red_log.\
log_decoding_REDLog` definition n-dimensional arrays support.
        """

        V = 0.637621845988175
        L = 0.18
        np.testing.assert_almost_equal(
            log_decoding_REDLog(V),
            L,
            decimal=7)

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

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

        V = np.reshape(V, (2, 3, 1))
        L = np.reshape(L, (2, 3, 1))
        np.testing.assert_almost_equal(
            log_decoding_REDLog(V),
            L,
            decimal=7)
Ejemplo n.º 2
0
    def test_nan_log_decoding_REDLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.red_log.\
log_decoding_REDLog` definition nan support.
        """

        log_decoding_REDLog(np.array([-1.0, 0.0, 1.0, -np.inf, np.inf,
                                      np.nan]))
Ejemplo n.º 3
0
    def test_nan_log_decoding_REDLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.red_log.\
log_decoding_REDLog` definition nan support.
        """

        log_decoding_REDLog(
            np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
Ejemplo n.º 4
0
    def test_log_decoding_REDLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.red_log.\
log_decoding_REDLog` definition.
        """

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

        self.assertAlmostEqual(
            log_decoding_REDLog(0.637621845988175), 0.18, places=7)

        self.assertAlmostEqual(log_decoding_REDLog(1.0), 1.0, places=7)
Ejemplo n.º 5
0
    def test_log_decoding_REDLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.red_log.\
log_decoding_REDLog` definition.
        """

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

        self.assertAlmostEqual(
            log_decoding_REDLog(0.637621845988175), 0.18, places=7)

        self.assertAlmostEqual(log_decoding_REDLog(1.0), 1.0, places=7)
Ejemplo n.º 6
0
    def test_domain_range_scale_log_decoding_REDLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.red_log.\
log_decoding_REDLog` definition domain and range scale support.
        """

        y = 0.637621845988175
        x = log_decoding_REDLog(y)

        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_REDLog(y * factor), x * factor, decimal=7)
Ejemplo n.º 7
0
    def test_n_dimensional_log_decoding_REDLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.red_log.\
log_decoding_REDLog` definition n-dimensional arrays support.
        """

        y = 0.637621845988175
        x = log_decoding_REDLog(y)

        y = np.tile(y, 6)
        x = np.tile(x, 6)
        np.testing.assert_almost_equal(log_decoding_REDLog(y), x, decimal=7)

        y = np.reshape(y, (2, 3))
        x = np.reshape(x, (2, 3))
        np.testing.assert_almost_equal(log_decoding_REDLog(y), x, decimal=7)

        y = np.reshape(y, (2, 3, 1))
        x = np.reshape(x, (2, 3, 1))
        np.testing.assert_almost_equal(log_decoding_REDLog(y), x, decimal=7)
Ejemplo n.º 8
0
    def test_n_dimensional_log_decoding_REDLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.red_log.\
log_decoding_REDLog` definition n-dimensional arrays support.
        """

        y = 0.637621845988175
        x = log_decoding_REDLog(y)

        y = np.tile(y, 6)
        x = np.tile(x, 6)
        np.testing.assert_almost_equal(log_decoding_REDLog(y), x, decimal=7)

        y = np.reshape(y, (2, 3))
        x = np.reshape(x, (2, 3))
        np.testing.assert_almost_equal(log_decoding_REDLog(y), x, decimal=7)

        y = np.reshape(y, (2, 3, 1))
        x = np.reshape(x, (2, 3, 1))
        np.testing.assert_almost_equal(log_decoding_REDLog(y), x, decimal=7)
Ejemplo n.º 9
0
    def test_n_dimensional_log_decoding_REDLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.red_log.\
log_decoding_REDLog` definition n-dimensional arrays support.
        """

        V = 0.637621845988175
        L = 0.18
        np.testing.assert_almost_equal(log_decoding_REDLog(V), L, decimal=7)

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

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

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