def test_n_dimensional_whiteness_Ganz1979(self):
"""
Tests :func:`colour.colorimetry.whiteness.whiteness_Ganz1979`
definition n_dimensional arrays support.
"""
xy = np.array([0.3167, 0.3334])
Y = 100
WT = np.array([85.60037660, 0.67890030])
np.testing.assert_almost_equal(whiteness_Ganz1979(xy, Y),
WT,
decimal=7)
xy = np.tile(xy, (6, 1))
WT = np.tile(WT, (6, 1))
np.testing.assert_almost_equal(whiteness_Ganz1979(xy, Y),
WT,
decimal=7)
Y = np.tile(Y, 6)
np.testing.assert_almost_equal(whiteness_Ganz1979(xy, Y),
WT,
decimal=7)
xy = np.reshape(xy, (2, 3, 2))
Y = np.reshape(Y, (2, 3))
WT = np.reshape(WT, (2, 3, 2))
np.testing.assert_almost_equal(whiteness_Ganz1979(xy, Y),
WT,
decimal=7)
def test_n_dimensional_whiteness_Ganz1979(self):
"""
Tests :func:`colour.colorimetry.whiteness.whiteness_Ganz1979`
definition n_dimensional arrays support.
"""
xy = np.array([0.3167, 0.3334])
Y = 100
WT = np.array([85.60037660, 0.67890030])
np.testing.assert_almost_equal(
whiteness_Ganz1979(xy, Y),
WT,
decimal=7)
xy = np.tile(xy, (6, 1))
WT = np.tile(WT, (6, 1))
np.testing.assert_almost_equal(
whiteness_Ganz1979(xy, Y),
WT,
decimal=7)
Y = np.tile(Y, 6)
np.testing.assert_almost_equal(
whiteness_Ganz1979(xy, Y),
WT,
decimal=7)
xy = np.reshape(xy, (2, 3, 2))
Y = np.reshape(Y, (2, 3))
WT = np.reshape(WT, (2, 3, 2))
np.testing.assert_almost_equal(
whiteness_Ganz1979(xy, Y),
WT,
decimal=7)
def test_nan_whiteness_Ganz1979(self):
"""
Tests :func:`colour.colorimetry.whiteness.whiteness_Ganz1979`
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:
xy = np.array(case[0:2])
Y = np.array(case[0])
whiteness_Ganz1979(xy, Y)
def test_nan_whiteness_Ganz1979(self):
"""
Tests :func:`colour.colorimetry.whiteness.whiteness_Ganz1979`
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:
xy = np.array(case[0:2])
Y = np.array(case[0])
whiteness_Ganz1979(xy, Y)
def test_domain_range_scale_whiteness_Ganz1979(self):
"""
Tests :func:`colour.colorimetry.whiteness.whiteness_Ganz1979`
definition domain and range scale support.
"""
xy = np.array([0.3167, 0.3334])
Y = 100
WT = whiteness_Ganz1979(xy, Y)
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(
whiteness_Ganz1979(xy, Y * factor), WT * factor, decimal=7)
def test_whiteness_Ganz1979(self):
"""
Tests :func:`colour.colorimetry.whiteness.whiteness_Ganz1979`
definition.
"""
np.testing.assert_almost_equal(
whiteness_Ganz1979((0.3139, 0.3311), 100),
np.array([99.3317652, 1.7610829]),
decimal=7)
np.testing.assert_almost_equal(
whiteness_Ganz1979((0.3500, 0.3334), 100),
np.array([23.385254, -32.6618256]),
decimal=7)
np.testing.assert_almost_equal(
whiteness_Ganz1979((0.3334, 0.3334), 100),
np.array([54.3993992, -16.0415238]),
decimal=7)
def test_whiteness_Ganz1979(self):
"""
Tests :func:`colour.colorimetry.whiteness.whiteness_Ganz1979`
definition.
"""
np.testing.assert_almost_equal(whiteness_Ganz1979(
np.array([0.3139, 0.3311]), 100),
np.array([99.33176520, 1.76108290]),
decimal=7)
np.testing.assert_almost_equal(whiteness_Ganz1979(
np.array([0.3500, 0.3334]), 100),
np.array([23.38525400, -32.66182560]),
decimal=7)
np.testing.assert_almost_equal(whiteness_Ganz1979(
np.array([0.3334, 0.3334]), 100),
np.array([54.39939920, -16.04152380]),
decimal=7)