def test_n_dimensional_log_encoding_TLog(self):
"""
Test :func:`colour.models.rgb.transfer_functions.filmlight_tlog.\
log_encoding_FilmLightTLog` definition n-dimensional arrays support.
"""
x = 0.18
t = log_encoding_FilmLightTLog(x)
x = np.tile(x, 6)
t = np.tile(t, 6)
np.testing.assert_almost_equal(log_encoding_FilmLightTLog(x),
t,
decimal=7)
x = np.reshape(x, (2, 3))
t = np.reshape(t, (2, 3))
np.testing.assert_almost_equal(log_encoding_FilmLightTLog(x),
t,
decimal=7)
x = np.reshape(x, (2, 3, 1))
t = np.reshape(t, (2, 3, 1))
np.testing.assert_almost_equal(log_encoding_FilmLightTLog(x),
t,
decimal=7)
def test_nan_log_encoding_TLog(self):
"""
Test :func:`colour.models.rgb.transfer_functions.filmlight_tlog.\
log_encoding_FilmLightTLog` definition nan support.
"""
log_encoding_FilmLightTLog(
np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_nan_log_encoding_TLog(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.filmlight_tlog.\
log_encoding_FilmLightTLog` definition nan support.
"""
log_encoding_FilmLightTLog(
np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_log_encoding_FilmLightTLog(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.filmlight_tlog.\
log_encoding_FilmLightTLog` definition.
"""
self.assertAlmostEqual(
log_encoding_FilmLightTLog(0.0), 0.075, places=7)
self.assertAlmostEqual(
log_encoding_FilmLightTLog(0.18), 0.396567801298332, places=7)
self.assertAlmostEqual(
log_encoding_FilmLightTLog(1.0), 0.552537881005859, places=7)
def test_domain_range_scale_log_encoding_TLog(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.filmlight_tlog.\
log_encoding_FilmLightTLog` definition domain and range scale support.
"""
x = 0.18
t = log_encoding_FilmLightTLog(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_FilmLightTLog(
x * factor),
t * factor,
decimal=7)
def test_domain_range_scale_log_encoding_TLog(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.filmlight_tlog.\
log_encoding_FilmLightTLog` definition domain and range scale support.
"""
x = 0.18
t = log_encoding_FilmLightTLog(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_FilmLightTLog(x * factor),
t * factor,
decimal=7)
def test_log_encoding_FilmLightTLog(self):
"""
Test :func:`colour.models.rgb.transfer_functions.filmlight_tlog.\
log_encoding_FilmLightTLog` definition.
"""
self.assertAlmostEqual(log_encoding_FilmLightTLog(0.0),
0.075,
places=7)
self.assertAlmostEqual(log_encoding_FilmLightTLog(0.18),
0.396567801298332,
places=7)
self.assertAlmostEqual(log_encoding_FilmLightTLog(1.0),
0.552537881005859,
places=7)
def test_n_dimensional_log_encoding_TLog(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.filmlight_tlog.\
log_encoding_FilmLightTLog` definition n-dimensional arrays support.
"""
x = 0.18
t = log_encoding_FilmLightTLog(x)
x = np.tile(x, 6)
t = np.tile(t, 6)
np.testing.assert_almost_equal(
log_encoding_FilmLightTLog(x), t, decimal=7)
x = np.reshape(x, (2, 3))
t = np.reshape(t, (2, 3))
np.testing.assert_almost_equal(
log_encoding_FilmLightTLog(x), t, decimal=7)
x = np.reshape(x, (2, 3, 1))
t = np.reshape(t, (2, 3, 1))
np.testing.assert_almost_equal(
log_encoding_FilmLightTLog(x), t, decimal=7)