def test_nan_ootf_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_BT2100_HLG` definition nan support.
"""
ootf_BT2100_HLG(np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_ootf_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_BT2100_HLG` definition.
"""
self.assertAlmostEqual(ootf_BT2100_HLG(0.0), 0.0, places=7)
self.assertAlmostEqual(ootf_BT2100_HLG(0.1),
63.095734448019336,
places=7)
self.assertAlmostEqual(ootf_BT2100_HLG(1.0), 1000.0, places=7)
self.assertAlmostEqual(ootf_BT2100_HLG(0.1, 0.001, 10000, 1.4),
398.108130742780300,
places=7)
a = np.array(
[[45.884942278760597, 0.000000000000000, -45.884942278760597],
[-63.095734448019336, -63.095734448019336, -63.095734448019336],
[63.095734448019336, 63.095734448019336, 63.095734448019336],
[51.320396090100672, -51.320396090100672, 51.320396090100672]]
) # yapf: disable
np.testing.assert_almost_equal(ootf_BT2100_HLG(
np.array([[0.1, 0.0, -0.1], [-0.1, -0.1, -0.1], [0.1, 0.1, 0.1],
[0.1, -0.1, 0.1]])),
a,
decimal=7)
def test_nan_ootf_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_BT2100_HLG` definition nan support.
"""
ootf_BT2100_HLG(np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_ootf_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_BT2100_HLG` definition.
"""
self.assertAlmostEqual(ootf_BT2100_HLG(0.0), 0.0, places=7)
self.assertAlmostEqual(
ootf_BT2100_HLG(0.1), 63.095734448019336, places=7)
self.assertAlmostEqual(ootf_BT2100_HLG(1.0), 1000.0, places=7)
self.assertAlmostEqual(
ootf_BT2100_HLG(0.1, 0.001, 10000, 1.4),
398.108130742780300,
places=7)
a = np.array(
[[45.884942278760597, 0.000000000000000, -45.884942278760597],
[-63.095734448019336, -63.095734448019336, -63.095734448019336],
[63.095734448019336, 63.095734448019336, 63.095734448019336],
[51.320396090100672, -51.320396090100672, 51.320396090100672]],
) # yapf: disable
np.testing.assert_almost_equal(
ootf_BT2100_HLG(
np.array([[0.1, 0.0, -0.1], [-0.1, -0.1, -0.1],
[0.1, 0.1, 0.1], [0.1, -0.1, 0.1]])),
a,
decimal=7)
def test_domain_range_scale_ootf_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_BT2100_HLG` definition domain and range scale support.
"""
E = 0.1
F_D = ootf_BT2100_HLG(E)
d_r = (('reference', 1), (1, 1), (100, 100))
for scale, factor in d_r:
with domain_range_scale(scale):
np.testing.assert_almost_equal(
ootf_BT2100_HLG(E * factor), F_D * factor, decimal=7)
def test_domain_range_scale_ootf_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_BT2100_HLG` definition domain and range scale support.
"""
E = 0.1
F_D = ootf_BT2100_HLG(E)
d_r = (('reference', 1), (1, 1), (100, 100))
for scale, factor in d_r:
with domain_range_scale(scale):
np.testing.assert_almost_equal(ootf_BT2100_HLG(E * factor),
F_D * factor,
decimal=7)
def test_n_dimensional_ootf_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_BT2100_HLG` definition n-dimensional arrays support.
"""
E = 0.1
F_D = 63.095734448019336
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
E = np.tile(E, 6)
F_D = np.tile(F_D, 6)
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
E = np.reshape(E, (2, 3))
F_D = np.reshape(F_D, (2, 3))
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
E = np.reshape(E, (2, 3, 1))
F_D = np.reshape(F_D, (2, 3, 1))
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
E = np.reshape(E, (6, 1))
F_D = np.reshape(F_D, (6, 1))
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
E = np.array([0.25, 0.50, 0.75])
F_D = np.array([213.01897444, 426.03794887, 639.05692331])
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
E = np.tile(E, (6, 1))
F_D = np.tile(F_D, (6, 1))
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
E = np.reshape(E, (2, 3, 3))
F_D = np.reshape(F_D, (2, 3, 3))
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
def test_n_dimensional_ootf_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_BT2100_HLG` definition n-dimensional arrays support.
"""
E = 0.1
F_D = ootf_BT2100_HLG(E)
E = np.tile(E, 6)
F_D = np.tile(F_D, 6)
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
E = np.reshape(E, (2, 3))
F_D = np.reshape(F_D, (2, 3))
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
E = np.reshape(E, (2, 3, 1))
F_D = np.reshape(F_D, (2, 3, 1))
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
E = np.reshape(E, (6, 1))
F_D = np.reshape(F_D, (6, 1))
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
E = np.array([0.25, 0.50, 0.75])
F_D = np.array([213.01897444, 426.03794887, 639.05692331])
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
E = np.tile(E, (6, 1))
F_D = np.tile(F_D, (6, 1))
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)
E = np.reshape(E, (2, 3, 3))
F_D = np.reshape(F_D, (2, 3, 3))
np.testing.assert_almost_equal(ootf_BT2100_HLG(E), F_D, decimal=7)