def test_ootf_reverse_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_reverse_BT2100_HLG` definition.
"""
self.assertAlmostEqual(ootf_reverse_BT2100_HLG(0.0), 0.0, places=7)
self.assertAlmostEqual(ootf_reverse_BT2100_HLG(63.095734448019336),
0.1,
places=7)
self.assertAlmostEqual(ootf_reverse_BT2100_HLG(1000.0), 1.0, places=7)
self.assertAlmostEqual(ootf_reverse_BT2100_HLG(398.108130742780300,
0.001, 10000, 1.4),
0.1,
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_reverse_BT2100_HLG(a),
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]]),
decimal=7)
def test_ootf_reverse_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_reverse_BT2100_HLG` definition.
"""
self.assertAlmostEqual(ootf_reverse_BT2100_HLG(0.0), 0.0, places=7)
self.assertAlmostEqual(
ootf_reverse_BT2100_HLG(63.095734448019336), 0.1, places=7)
self.assertAlmostEqual(ootf_reverse_BT2100_HLG(1000.0), 1.0, places=7)
self.assertAlmostEqual(
ootf_reverse_BT2100_HLG(398.108130742780300, 0.001, 10000, 1.4),
0.1,
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_reverse_BT2100_HLG(a),
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]]),
decimal=7)
def test_nan_ootf_reverse_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_reverse_BT2100_HLG` definition nan support.
"""
ootf_reverse_BT2100_HLG(
np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_nan_ootf_reverse_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_reverse_BT2100_HLG` definition nan support.
"""
ootf_reverse_BT2100_HLG(
np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_domain_range_scale_ootf_reverse_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_reverse_BT2100_HLG` definition domain and range scale support.
"""
F_D = 63.095734448019336
E = ootf_reverse_BT2100_HLG(F_D)
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_reverse_BT2100_HLG(F_D *
factor),
E * factor,
decimal=7)
def test_domain_range_scale_ootf_reverse_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_reverse_BT2100_HLG` definition domain and range scale support.
"""
F_D = 63.095734448019336
E = ootf_reverse_BT2100_HLG(F_D)
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_reverse_BT2100_HLG(F_D * factor),
E * factor,
decimal=7)
def test_n_dimensional_ootf_reverse_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_reverse_BT2100_HLG` definition n-dimensional arrays support.
"""
F_D = 63.095734448019336
E = 0.1
np.testing.assert_almost_equal(ootf_reverse_BT2100_HLG(F_D),
E,
decimal=7)
F_D = np.tile(F_D, 6)
E = np.tile(E, 6)
np.testing.assert_almost_equal(ootf_reverse_BT2100_HLG(F_D),
E,
decimal=7)
F_D = np.reshape(F_D, (2, 3))
E = np.reshape(E, (2, 3))
np.testing.assert_almost_equal(ootf_reverse_BT2100_HLG(F_D),
E,
decimal=7)
F_D = np.reshape(F_D, (2, 3, 1))
E = np.reshape(E, (2, 3, 1))
np.testing.assert_almost_equal(ootf_reverse_BT2100_HLG(F_D),
E,
decimal=7)
F_D = np.reshape(F_D, (6, 1))
E = np.reshape(E, (6, 1))
np.testing.assert_almost_equal(ootf_reverse_BT2100_HLG(F_D),
E,
decimal=7)
F_D = np.array([213.01897444, 426.03794887, 639.05692331])
E = np.array([0.25, 0.50, 0.75])
np.testing.assert_almost_equal(ootf_reverse_BT2100_HLG(F_D),
E,
decimal=7)
F_D = np.tile(F_D, (6, 1))
E = np.tile(E, (6, 1))
np.testing.assert_almost_equal(ootf_reverse_BT2100_HLG(F_D),
E,
decimal=7)
F_D = np.reshape(F_D, (2, 3, 3))
E = np.reshape(E, (2, 3, 3))
np.testing.assert_almost_equal(ootf_reverse_BT2100_HLG(F_D),
E,
decimal=7)
def test_n_dimensional_ootf_reverse_BT2100_HLG(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.itur_bt_2100.\
ootf_reverse_BT2100_HLG` definition n-dimensional arrays support.
"""
F_D = 63.095734448019336
E = ootf_reverse_BT2100_HLG(F_D)
F_D = np.tile(F_D, 6)
E = np.tile(E, 6)
np.testing.assert_almost_equal(
ootf_reverse_BT2100_HLG(F_D), E, decimal=7)
F_D = np.reshape(F_D, (2, 3))
E = np.reshape(E, (2, 3))
np.testing.assert_almost_equal(
ootf_reverse_BT2100_HLG(F_D), E, decimal=7)
F_D = np.reshape(F_D, (2, 3, 1))
E = np.reshape(E, (2, 3, 1))
np.testing.assert_almost_equal(
ootf_reverse_BT2100_HLG(F_D), E, decimal=7)
F_D = np.reshape(F_D, (6, 1))
E = np.reshape(E, (6, 1))
np.testing.assert_almost_equal(
ootf_reverse_BT2100_HLG(F_D), E, decimal=7)
F_D = np.array([213.01897444, 426.03794887, 639.05692331])
E = np.array([0.25, 0.50, 0.75])
np.testing.assert_almost_equal(
ootf_reverse_BT2100_HLG(F_D), E, decimal=7)
F_D = np.tile(F_D, (6, 1))
E = np.tile(E, (6, 1))
np.testing.assert_almost_equal(
ootf_reverse_BT2100_HLG(F_D), E, decimal=7)
F_D = np.reshape(F_D, (2, 3, 3))
E = np.reshape(E, (2, 3, 3))
np.testing.assert_almost_equal(
ootf_reverse_BT2100_HLG(F_D), E, decimal=7)