def test_n_dimensional_log_encoding_ERIMMRGB(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_encoding_ERIMMRGB` definition n-dimensional arrays support.
"""
L = 0.18
V = 104.563359320492940
np.testing.assert_almost_equal(
log_encoding_ERIMMRGB(L),
V,
decimal=7)
L = np.tile(L, 6)
V = np.tile(V, 6)
np.testing.assert_almost_equal(
log_encoding_ERIMMRGB(L),
V,
decimal=7)
L = np.reshape(L, (2, 3))
V = np.reshape(V, (2, 3))
np.testing.assert_almost_equal(
log_encoding_ERIMMRGB(L),
V,
decimal=7)
L = np.reshape(L, (2, 3, 1))
V = np.reshape(V, (2, 3, 1))
np.testing.assert_almost_equal(
log_encoding_ERIMMRGB(L),
V,
decimal=7)
def test_n_dimensional_log_encoding_ERIMMRGB(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_encoding_ERIMMRGB` definition n-dimensional arrays support.
"""
X = 0.18
X_p = log_encoding_ERIMMRGB(X)
X = np.tile(X, 6)
X_p = np.tile(X_p, 6)
np.testing.assert_almost_equal(log_encoding_ERIMMRGB(X),
X_p,
decimal=7)
X = np.reshape(X, (2, 3))
X_p = np.reshape(X_p, (2, 3))
np.testing.assert_almost_equal(log_encoding_ERIMMRGB(X),
X_p,
decimal=7)
X = np.reshape(X, (2, 3, 1))
X_p = np.reshape(X_p, (2, 3, 1))
np.testing.assert_almost_equal(log_encoding_ERIMMRGB(X),
X_p,
decimal=7)
def test_nan_log_encoding_ERIMMRGB(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_encoding_ERIMMRGB` definition nan support.
"""
log_encoding_ERIMMRGB(
np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_nan_log_encoding_ERIMMRGB(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_encoding_ERIMMRGB` definition nan support.
"""
log_encoding_ERIMMRGB(
np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_domain_range_scale_log_encoding_ERIMMRGB(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_encoding_ERIMMRGB` definition domain and range scale support.
"""
X = 0.18
X_p = log_encoding_ERIMMRGB(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_ERIMMRGB(X * factor), X_p * factor, decimal=7)
def test_log_encoding_ERIMMRGB(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_encoding_ERIMMRGB` definition.
"""
self.assertAlmostEqual(log_encoding_ERIMMRGB(0.0), 0.0, places=7)
self.assertAlmostEqual(log_encoding_ERIMMRGB(0.18),
104.563359320492940,
places=7)
self.assertAlmostEqual(log_encoding_ERIMMRGB(1.0),
139.09187348830370,
places=7)
def test_domain_range_scale_log_encoding_ERIMMRGB(self):
"""
Test :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_encoding_ERIMMRGB` definition domain and range scale support.
"""
X = 0.18
X_p = log_encoding_ERIMMRGB(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_ERIMMRGB(X * factor), X_p * factor, decimal=7
)
def test_log_encoding_ERIMMRGB(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_encoding_ERIMMRGB` definition.
"""
self.assertAlmostEqual(log_encoding_ERIMMRGB(0.0), 0.0, places=7)
self.assertAlmostEqual(
log_encoding_ERIMMRGB(0.18), 0.410052389492129, places=7)
self.assertAlmostEqual(
log_encoding_ERIMMRGB(1.0), 0.545458327405113, places=7)
self.assertEqual(log_encoding_ERIMMRGB(0.18, out_int=True), 105)
self.assertEqual(
log_encoding_ERIMMRGB(0.18, bit_depth=12, out_int=True), 1679)
def test_log_encoding_ERIMMRGB(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_encoding_ERIMMRGB` definition.
"""
self.assertAlmostEqual(log_encoding_ERIMMRGB(0.0), 0.0, places=7)
self.assertAlmostEqual(log_encoding_ERIMMRGB(0.18),
0.410052389492129,
places=7)
self.assertAlmostEqual(log_encoding_ERIMMRGB(1.0),
0.545458327405113,
places=7)
self.assertEqual(log_encoding_ERIMMRGB(0.18, out_int=True), 105)
self.assertEqual(
log_encoding_ERIMMRGB(0.18, bit_depth=12, out_int=True), 1679)
def test_log_encoding_ERIMMRGB(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_encoding_ERIMMRGB` definition.
"""
self.assertAlmostEqual(
log_encoding_ERIMMRGB(0.0),
0.0,
places=7)
self.assertAlmostEqual(
log_encoding_ERIMMRGB(0.18),
104.563359320492940,
places=7)
self.assertAlmostEqual(
log_encoding_ERIMMRGB(1.0),
139.09187348830370,
places=7)
def test_n_dimensional_log_encoding_ERIMMRGB(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_encoding_ERIMMRGB` definition n-dimensional arrays support.
"""
L = 0.18
V = 104.563359320492940
np.testing.assert_almost_equal(log_encoding_ERIMMRGB(L), V, decimal=7)
L = np.tile(L, 6)
V = np.tile(V, 6)
np.testing.assert_almost_equal(log_encoding_ERIMMRGB(L), V, decimal=7)
L = np.reshape(L, (2, 3))
V = np.reshape(V, (2, 3))
np.testing.assert_almost_equal(log_encoding_ERIMMRGB(L), V, decimal=7)
L = np.reshape(L, (2, 3, 1))
V = np.reshape(V, (2, 3, 1))
np.testing.assert_almost_equal(log_encoding_ERIMMRGB(L), V, decimal=7)
def test_n_dimensional_log_encoding_ERIMMRGB(self):
"""
Tests :func:`colour.models.rgb.transfer_functions.rimm_romm_rgb.\
log_encoding_ERIMMRGB` definition n-dimensional arrays support.
"""
X = 0.18
X_p = log_encoding_ERIMMRGB(X)
X = np.tile(X, 6)
X_p = np.tile(X_p, 6)
np.testing.assert_almost_equal(
log_encoding_ERIMMRGB(X), X_p, decimal=7)
X = np.reshape(X, (2, 3))
X_p = np.reshape(X_p, (2, 3))
np.testing.assert_almost_equal(
log_encoding_ERIMMRGB(X), X_p, decimal=7)
X = np.reshape(X, (2, 3, 1))
X_p = np.reshape(X_p, (2, 3, 1))
np.testing.assert_almost_equal(
log_encoding_ERIMMRGB(X), X_p, decimal=7)
