def test_nan_oetf_sRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.sRGB.\ oetf_sRGB` definition nan support. """ oetf_sRGB(np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_n_dimensional_oetf_sRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.sRGB.\ oetf_sRGB` definition n-dimensional arrays support. """ L = 0.18 V = 0.461356129500442 np.testing.assert_almost_equal( oetf_sRGB(L), V, decimal=7) L = np.tile(L, 6) V = np.tile(V, 6) np.testing.assert_almost_equal( oetf_sRGB(L), V, decimal=7) L = np.reshape(L, (2, 3)) V = np.reshape(V, (2, 3)) np.testing.assert_almost_equal( oetf_sRGB(L), V, decimal=7) L = np.reshape(L, (2, 3, 1)) V = np.reshape(V, (2, 3, 1)) np.testing.assert_almost_equal( oetf_sRGB(L), V, decimal=7)
def test_oetf_sRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.sRGB.\ oetf_sRGB` definition. """ self.assertAlmostEqual(oetf_sRGB(0.0), 0.0, places=7) self.assertAlmostEqual(oetf_sRGB(0.18), 0.461356129500442, places=7) self.assertAlmostEqual(oetf_sRGB(1.0), 1.0, places=7)
def test_domain_range_scale_oetf_sRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.sRGB.\ oetf_sRGB` definition domain and range scale support. """ L = 0.18 V = oetf_sRGB(L) d_r = (('reference', 1), (1, 1), (100, 100)) for scale, factor in d_r: with domain_range_scale(scale): np.testing.assert_almost_equal( oetf_sRGB(L * factor), V * factor, decimal=7)
def test_domain_range_scale_oetf_sRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.sRGB.\ oetf_sRGB` definition domain and range scale support. """ L = 0.18 V = oetf_sRGB(L) d_r = (('reference', 1), (1, 1), (100, 100)) for scale, factor in d_r: with domain_range_scale(scale): np.testing.assert_almost_equal(oetf_sRGB(L * factor), V * factor, decimal=7)
def test_n_dimensional_oetf_sRGB(self): """ Tests :func:`colour.models.rgb.transfer_functions.sRGB.\ oetf_sRGB` definition n-dimensional arrays support. """ L = 0.18 V = oetf_sRGB(L) L = np.tile(L, 6) V = np.tile(V, 6) np.testing.assert_almost_equal(oetf_sRGB(L), V, decimal=7) L = np.reshape(L, (2, 3)) V = np.reshape(V, (2, 3)) np.testing.assert_almost_equal(oetf_sRGB(L), V, decimal=7) L = np.reshape(L, (2, 3, 1)) V = np.reshape(V, (2, 3, 1)) np.testing.assert_almost_equal(oetf_sRGB(L), V, decimal=7)