Python oetf_BT1886 Examples

Example #1

File: tests_bt_1886.py Project: crowsonkb/colour

    def test_nan_oetf_BT1886(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.bt_1886.\
oetf_BT1886` definition nan support.
        """

        oetf_BT1886(np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))

Example #2

File: tests_bt_1886.py Project: nick-shaw/colour

    def test_n_dimensional_oetf_BT1886(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.bt_1886.\
oetf_BT1886` definition n-dimensional arrays support.
        """

        L = 184.32
        V = 0.268401363726554
        np.testing.assert_almost_equal(
            oetf_BT1886(L),
            V,
            decimal=7)

        L = np.tile(L, 6)
        V = np.tile(V, 6)
        np.testing.assert_almost_equal(
            oetf_BT1886(L),
            V,
            decimal=7)

        L = np.reshape(L, (2, 3))
        V = np.reshape(V, (2, 3))
        np.testing.assert_almost_equal(
            oetf_BT1886(L),
            V,
            decimal=7)

        L = np.reshape(L, (2, 3, 1))
        V = np.reshape(V, (2, 3, 1))
        np.testing.assert_almost_equal(
            oetf_BT1886(L),
            V,
            decimal=7)

Example #3

File: tests_bt_1886.py Project: Nick-Shaw/colour

    def test_nan_oetf_BT1886(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.bt_1886.\
oetf_BT1886` definition nan support.
        """

        oetf_BT1886(
            np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))

Example #4

File: tests_bt_1886.py Project: yeekzhang/colour

    def test_oetf_BT1886(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.bt_1886.\
oetf_BT1886` definition.
        """

        self.assertAlmostEqual(oetf_BT1886(0.0), 0.0, places=7)

        self.assertAlmostEqual(oetf_BT1886(0.016317514686316), 0.18, places=7)

        self.assertAlmostEqual(oetf_BT1886(1.0), 1.0, places=7)

Example #5

File: tests_bt_1886.py Project: crowsonkb/colour

    def test_oetf_BT1886(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.bt_1886.\
oetf_BT1886` definition.
        """

        self.assertAlmostEqual(oetf_BT1886(64.0), 0.0, places=7)

        self.assertAlmostEqual(oetf_BT1886(184.32),
                               0.268401363726554,
                               places=7)

        self.assertAlmostEqual(oetf_BT1886(940), 1.000000000000000, places=7)

Example #6

File: tests_bt_1886.py Project: Nick-Shaw/colour

    def test_oetf_BT1886(self):
        """
        Tests :func:`colour.models.rgb.transfer_functions.bt_1886.\
oetf_BT1886` definition.
        """

        self.assertAlmostEqual(
            oetf_BT1886(64.0),
            0.0,
            places=7)

        self.assertAlmostEqual(
            oetf_BT1886(184.32),
            0.268401363726554,
            places=7)

        self.assertAlmostEqual(
            oetf_BT1886(940),
            1.000000000000000,
            places=7)