def test_n_dimensional_UCS_to_XYZ(self):
"""
Tests :func:`colour.models.cie_ucs.UCS_to_XYZ` definition n-dimensions
support.
"""
UCS = np.array([0.04699689, 0.10080000, 0.16374390])
XYZ = np.array([0.07049534, 0.10080000, 0.09558313])
np.testing.assert_almost_equal(
UCS_to_XYZ(UCS),
XYZ,
decimal=7)
UCS = np.tile(UCS, (6, 1))
XYZ = np.tile(XYZ, (6, 1))
np.testing.assert_almost_equal(
UCS_to_XYZ(UCS),
XYZ,
decimal=7)
UCS = np.reshape(UCS, (2, 3, 3))
XYZ = np.reshape(XYZ, (2, 3, 3))
np.testing.assert_almost_equal(
UCS_to_XYZ(UCS),
XYZ,
decimal=7)
def test_domain_range_scale_UCS_to_XYZ(self):
"""
Tests :func:`colour.models.cie_ucs.UCS_to_XYZ` definition domain and
range scale support.
"""
UCS = np.array([0.0469968933, 0.1008000000, 0.1637438950])
XYZ = UCS_to_XYZ(UCS)
d_r = (('reference', 1), (1, 1), (100, 100))
for scale, factor in d_r:
with domain_range_scale(scale):
np.testing.assert_almost_equal(UCS_to_XYZ(UCS * factor),
XYZ * factor,
decimal=7)
def test_n_dimensional_UCS_to_XYZ(self):
"""
Tests :func:`colour.models.cie_ucs.UCS_to_XYZ` definition n-dimensional
support.
"""
UCS = np.array([0.13769339, 0.12197225, 0.10537310])
XYZ = UCS_to_XYZ(UCS)
UCS = np.tile(UCS, (6, 1))
XYZ = np.tile(XYZ, (6, 1))
np.testing.assert_almost_equal(UCS_to_XYZ(UCS), XYZ, decimal=7)
UCS = np.reshape(UCS, (2, 3, 3))
XYZ = np.reshape(XYZ, (2, 3, 3))
np.testing.assert_almost_equal(UCS_to_XYZ(UCS), XYZ, decimal=7)
def test_nan_UCS_to_XYZ(self):
"""Test :func:`colour.models.cie_ucs.UCS_to_XYZ` 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:
UCS = np.array(case)
UCS_to_XYZ(UCS)
def test_UCS_to_XYZ(self):
"""
Tests :func:`colour.models.cie_ucs.UCS_to_XYZ` definition.
"""
np.testing.assert_almost_equal(
UCS_to_XYZ(np.array([0.04699689, 0.10080000, 0.16374390])),
np.array([0.07049534, 0.10080000, 0.09558313]),
decimal=7)
np.testing.assert_almost_equal(
UCS_to_XYZ(np.array([0.31398473, 0.34950000, 0.34526969])),
np.array([0.47097710, 0.34950000, 0.11301649]),
decimal=7)
np.testing.assert_almost_equal(
UCS_to_XYZ(np.array([0.17004543, 0.19150000, 0.20396469])),
np.array([0.25506814, 0.19150000, 0.08849752]),
decimal=7)
def test_UCS_to_XYZ(self):
"""
Tests :func:`colour.models.cie_ucs.UCS_to_XYZ` definition.
"""
np.testing.assert_almost_equal(
UCS_to_XYZ(np.array([0.13769339, 0.12197225, 0.10537310])),
np.array([0.20654008, 0.12197225, 0.05136952]),
decimal=7)
np.testing.assert_almost_equal(
UCS_to_XYZ(np.array([0.09481340, 0.23042768, 0.32701033])),
np.array([0.14222010, 0.23042768, 0.10495772]),
decimal=7)
np.testing.assert_almost_equal(
UCS_to_XYZ(np.array([0.05212520, 0.06157201, 0.19376075])),
np.array([0.07818780, 0.06157201, 0.28099326]),
decimal=7)
def test_UCS_to_XYZ(self):
"""
Tests :func:`colour.models.cie_ucs.UCS_to_XYZ` definition.
"""
np.testing.assert_almost_equal(
UCS_to_XYZ(np.array([7.87055614, 10.34, 12.18252904])),
np.array([11.80583421, 10.34, 5.15089229]),
decimal=7)
np.testing.assert_almost_equal(UCS_to_XYZ(
np.array([2.05793361, 3.2, 4.60117812])),
np.array([3.08690042, 3.2, 2.68925666]),
decimal=7)
np.testing.assert_almost_equal(UCS_to_XYZ(
np.array([0.64604821, 1, 1.57635992])),
np.array([0.96907232, 1., 1.12179215]),
decimal=7)
