def test_nan_yellowness_ASTME313(self):
"""
Tests :func:`colour.colorimetry.yellowness.yellowness_ASTME313`
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:
XYZ = np.array(case)
yellowness_ASTME313(XYZ)
def test_n_dimensional_yellowness_ASTME313(self):
"""
Tests :func:`colour.colorimetry.yellowness.yellowness_ASTME313`
definition n_dimensional arrays support.
"""
XYZ = np.array([95.00000000, 100.00000000, 105.00000000])
YI = yellowness_ASTME313(XYZ)
XYZ = np.tile(XYZ, (6, 1))
YI = np.tile(YI, 6)
np.testing.assert_almost_equal(yellowness_ASTME313(XYZ), YI, decimal=7)
XYZ = np.reshape(XYZ, (2, 3, 3))
YI = np.reshape(YI, (2, 3))
np.testing.assert_almost_equal(yellowness_ASTME313(XYZ), YI, decimal=7)
def test_yellowness_ASTME313(self):
"""
Tests :func:`colour.colorimetry.yellowness.yellowness_ASTME313`
definition.
"""
self.assertAlmostEqual(yellowness_ASTME313(
np.array([95.00000000, 100.00000000, 105.00000000])),
11.065000000000003,
places=7)
self.assertAlmostEqual(yellowness_ASTME313(
np.array([105.00000000, 100.00000000, 95.00000000])),
19.534999999999989,
places=7)
self.assertAlmostEqual(yellowness_ASTME313(
np.array([100.00000000, 100.00000000, 100.00000000])),
15.300000000000002,
places=7)
def test_domain_range_scale_yellowness_ASTME313(self):
"""
Tests :func:`colour.colorimetry.yellowness.yellowness_ASTME313`
definition domain and range scale support.
"""
XYZ = np.array([95.00000000, 100.00000000, 105.00000000])
YI = 11.065000000000003
d_r = (('reference', 1), (1, 0.01), (100, 1))
for scale, factor in d_r:
with domain_range_scale(scale):
np.testing.assert_almost_equal(
yellowness_ASTME313(XYZ * factor), YI * factor, decimal=7)
def test_yellowness_ASTME313(self):
"""
Tests :func:`colour.colorimetry.yellowness.yellowness_ASTME313`
definition.
"""
self.assertAlmostEqual(
yellowness_ASTME313(
np.array([95.00000000, 100.00000000, 105.00000000])),
11.065000000000003,
places=7)
self.assertAlmostEqual(
yellowness_ASTME313(
np.array([105.00000000, 100.00000000, 95.00000000])),
19.534999999999989,
places=7)
self.assertAlmostEqual(
yellowness_ASTME313(
np.array([100.00000000, 100.00000000, 100.00000000])),
15.300000000000002,
places=7)
def test_yellowness_ASTME313(self):
"""
Test :func:`colour.colorimetry.yellowness.yellowness_ASTME313`
definition.
"""
self.assertAlmostEqual(
yellowness_ASTME313(
np.array([95.00000000, 100.00000000, 105.00000000])),
4.340000000000003,
places=7,
)
self.assertAlmostEqual(
yellowness_ASTME313(
np.array([105.00000000, 100.00000000, 95.00000000])),
28.660000000000011,
places=7,
)
self.assertAlmostEqual(
yellowness_ASTME313(
np.array([100.00000000, 100.00000000, 100.00000000])),
16.500000000000000,
places=7,
)
self.assertAlmostEqual(
yellowness_ASTME313(
np.array([95.00000000, 100.00000000, 105.00000000]),
YELLOWNESS_COEFFICIENTS_ASTME313[
"CIE 1931 2 Degree Standard Observer"]["C"],
),
10.089500000000001,
places=7,
)
