Python log_encoding_DJIDLog Examples

Example #1

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

    def test_nan_log_encoding_DLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.dji_dlog.\
log_encoding_DJIDLog` definition nan support.
        """

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

Example #2

File: test_dji_dlog.py Project: ajun73/Work_Code

    def test_nan_log_encoding_DLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.dji_dlog.\
log_encoding_DJIDLog` definition nan support.
        """

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

Example #3

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

    def test_log_encoding_DJIDLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.dji_dlog.\
log_encoding_DJIDLog` definition.
        """

        self.assertAlmostEqual(log_encoding_DJIDLog(0.0), 0.0929, places=7)

        self.assertAlmostEqual(
            log_encoding_DJIDLog(0.18), 0.398764556189331, places=7)

        self.assertAlmostEqual(log_encoding_DJIDLog(1.0), 0.584555, places=7)

Example #4

    def test_log_encoding_DJIDLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.dji_dlog.\
log_encoding_DJIDLog` definition.
        """

        self.assertAlmostEqual(log_encoding_DJIDLog(0.0), 0.0929, places=7)

        self.assertAlmostEqual(
            log_encoding_DJIDLog(0.18), 0.398764556189331, places=7)

        self.assertAlmostEqual(log_encoding_DJIDLog(1.0), 0.584555, places=7)

Example #5

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

    def test_domain_range_scale_log_encoding_DLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.dji_dlog.\
log_encoding_DJIDLog` definition domain and range scale support.
        """

        x = 0.18
        y = log_encoding_DJIDLog(x)

        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_encoding_DJIDLog(x * factor), y * factor, decimal=7)

Example #6

    def test_domain_range_scale_log_encoding_DLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.dji_dlog.\
log_encoding_DJIDLog` definition domain and range scale support.
        """

        x = 0.18
        y = log_encoding_DJIDLog(x)

        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_encoding_DJIDLog(x * factor), y * factor, decimal=7)

Example #7

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

    def test_n_dimensional_log_encoding_DLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.dji_dlog.\
log_encoding_DJIDLog` definition n-dimensional arrays support.
        """

        x = 0.18
        y = log_encoding_DJIDLog(x)

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

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

        x = np.reshape(x, (2, 3, 1))
        y = np.reshape(y, (2, 3, 1))
        np.testing.assert_almost_equal(log_encoding_DJIDLog(x), y, decimal=7)

Example #8

    def test_n_dimensional_log_encoding_DLog(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.dji_dlog.\
log_encoding_DJIDLog` definition n-dimensional arrays support.
        """

        x = 0.18
        y = log_encoding_DJIDLog(x)

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

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

        x = np.reshape(x, (2, 3, 1))
        y = np.reshape(y, (2, 3, 1))
        np.testing.assert_almost_equal(log_encoding_DJIDLog(x), y, decimal=7)