def test_n_dimensional_RGB_to_ICTCP(self):
"""
Tests :func:`colour.models.rgb.ictpt.RGB_to_ICTCP` definition
n-dimensions support.
"""
RGB = np.array([0.35181454, 0.26934757, 0.21288023])
ICTCP = np.array([0.09554079, -0.00890639, 0.01389286])
np.testing.assert_almost_equal(
RGB_to_ICTCP(RGB),
ICTCP,
decimal=7)
RGB = np.tile(RGB, (6, 1))
ICTCP = np.tile(ICTCP, (6, 1))
np.testing.assert_almost_equal(
RGB_to_ICTCP(RGB),
ICTCP,
decimal=7)
RGB = np.reshape(RGB, (2, 3, 3))
ICTCP = np.reshape(ICTCP, (2, 3, 3))
np.testing.assert_almost_equal(
RGB_to_ICTCP(RGB),
ICTCP,
decimal=7)
def test_domain_range_scale_RGB_to_ICTCP(self):
"""
Tests :func:`colour.models.rgb.ictpt.RGB_to_ICTCP` definition domain
and range scale support.
"""
RGB = np.array([0.45620519, 0.03081071, 0.04091952])
ICTCP = RGB_to_ICTCP(RGB)
d_r = (('reference', 1), (1, 1), (100, 100))
for scale, factor in d_r:
with domain_range_scale(scale):
np.testing.assert_almost_equal(RGB_to_ICTCP(RGB * factor),
ICTCP * factor,
decimal=7)
def test_n_dimensional_RGB_to_ICTCP(self):
"""
Tests :func:`colour.models.rgb.ictpt.RGB_to_ICTCP` definition
n-dimensional support.
"""
RGB = np.array([0.45620519, 0.03081071, 0.04091952])
ICTCP = RGB_to_ICTCP(RGB)
RGB = np.tile(RGB, (6, 1))
ICTCP = np.tile(ICTCP, (6, 1))
np.testing.assert_almost_equal(RGB_to_ICTCP(RGB), ICTCP, decimal=7)
RGB = np.reshape(RGB, (2, 3, 3))
ICTCP = np.reshape(ICTCP, (2, 3, 3))
np.testing.assert_almost_equal(RGB_to_ICTCP(RGB), ICTCP, decimal=7)
def test_RGB_to_ICTCP(self):
"""
Tests :func:`colour.models.rgb.ictpt.RGB_to_ICTCP` definition.
"""
np.testing.assert_almost_equal(
RGB_to_ICTCP(np.array([0.35181454, 0.26934757, 0.21288023])),
np.array([0.09554079, -0.00890639, 0.01389286]),
decimal=7)
np.testing.assert_almost_equal(
RGB_to_ICTCP(np.array([0.35181454, 0.26934757, 0.21288023]), 4000),
np.array([0.13385341, -0.01151831, 0.01780776]),
decimal=7)
np.testing.assert_almost_equal(
RGB_to_ICTCP(np.array([0.35181454, 0.26934757, 0.21288023]), 1000),
np.array([0.21071460, -0.01586417, 0.02421400]),
decimal=7)
def test_RGB_to_ICTCP(self):
"""
Tests :func:`colour.models.rgb.ictpt.RGB_to_ICTCP` definition.
"""
np.testing.assert_almost_equal(
RGB_to_ICTCP(np.array([0.45620519, 0.03081071, 0.04091952])),
np.array([0.07351364, 0.00475253, 0.09351596]),
decimal=7)
np.testing.assert_almost_equal(
RGB_to_ICTCP(np.array([0.45620519, 0.03081071, 0.04091952]), 4000),
np.array([0.10516931, 0.00514031, 0.12318730]),
decimal=7)
np.testing.assert_almost_equal(
RGB_to_ICTCP(np.array([0.45620519, 0.03081071, 0.04091952]), 1000),
np.array([0.17079612, 0.00485580, 0.17431356]),
decimal=7)
def test_nan_RGB_to_ICTCP(self):
"""
Tests :func:`colour.models.rgb.ictpt.RGB_to_ICTCP` definition nan
support.
"""
cases = [-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]
cases = set(permutations(cases * 3, r=3))
for case in cases:
RGB = np.array(case)
RGB_to_ICTCP(RGB)