def test_hdr_CIELab_to_XYZ(self):
"""
Tests :func:`colour.models.hdr_cie_lab.hdr_CIELab_to_XYZ` definition.
"""
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(
np.array([26.46461067, -24.61332600, -4.84796811])),
np.array([0.07049534, 0.10080000, 0.09558313]),
decimal=7)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(
np.array([26.46461067, -33.35816986, -42.86850246]),
np.array([0.44757, 0.40745])),
np.array([0.07049534, 0.10080000, 0.09558313]),
decimal=7)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(np.array(
[55.57158803, -27.58973060, -5.03923267]),
Y_s=0.5),
np.array([0.07049534, 0.10080000, 0.09558313]),
decimal=7)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(np.array(
[48.33166805, -28.18355309, -5.21974184]),
Y_abs=1000),
np.array([0.07049534, 0.10080000, 0.09558313]),
decimal=7)
def test_n_dimensional_hdr_CIELab_to_XYZ(self):
"""
Tests :func:`colour.models.hdr_cie_lab.hdr_CIELab_to_XYZ` definition
n-dimensions support.
"""
Lab_hdr = np.array([51.87002062, 60.47633850, 32.14551912])
illuminant = np.array([0.31270, 0.32900])
Y_s = 0.2
Y_abs = 100
XYZ = np.array([0.20654008, 0.12197225, 0.05136952])
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(Lab_hdr, illuminant, Y_s, Y_abs), XYZ, decimal=7)
Lab_hdr = np.tile(Lab_hdr, (6, 1))
XYZ = np.tile(XYZ, (6, 1))
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(Lab_hdr, illuminant, Y_s, Y_abs), XYZ, decimal=7)
illuminant = np.tile(illuminant, (6, 1))
Y_s = np.tile(Y_s, 6)
Y_abs = np.tile(Y_abs, 6)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(Lab_hdr, illuminant, Y_s, Y_abs), XYZ, decimal=7)
Lab_hdr = np.reshape(Lab_hdr, (2, 3, 3))
illuminant = np.reshape(illuminant, (2, 3, 2))
Y_s = np.reshape(Y_s, (2, 3))
Y_abs = np.reshape(Y_abs, (2, 3))
XYZ = np.reshape(XYZ, (2, 3, 3))
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(Lab_hdr, illuminant, Y_s, Y_abs), XYZ, decimal=7)
def test_hdr_CIELab_to_XYZ(self):
"""
Tests :func:`colour.models.hdr_cie_lab.hdr_CIELab_to_XYZ` definition.
"""
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(
np.array([24.90206646, -46.83127607, -10.14274843])),
np.array([0.07049534, 0.10080000, 0.09558313]),
decimal=7)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(
np.array([24.90206646, -61.24983919, -83.63902870]),
np.array([0.44757, 0.40745])),
np.array([0.07049534, 0.10080000, 0.09558313]),
decimal=7)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(np.array(
[34.44227938, -36.51485775, -6.87279617]),
Y_s=0.5),
np.array([0.07049534, 0.10080000, 0.09558313]),
decimal=7)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(np.array(
[32.39463250, -39.77445283, -7.66690737]),
Y_abs=1000),
np.array([0.07049534, 0.10080000, 0.09558313]),
decimal=7)
def test_n_dimensional_hdr_CIELab_to_XYZ(self):
"""
Tests :func:`colour.models.hdr_cie_lab.hdr_CIELab_to_XYZ` definition
n-dimensional support.
"""
Lab_hdr = np.array([51.87002062, 60.47633850, 32.14551912])
illuminant = np.array([0.31270, 0.32900])
Y_s = 0.2
Y_abs = 100
XYZ = hdr_CIELab_to_XYZ(Lab_hdr, illuminant, Y_s, Y_abs)
Lab_hdr = np.tile(Lab_hdr, (6, 1))
XYZ = np.tile(XYZ, (6, 1))
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(Lab_hdr, illuminant, Y_s, Y_abs), XYZ, decimal=7)
illuminant = np.tile(illuminant, (6, 1))
Y_s = np.tile(Y_s, 6)
Y_abs = np.tile(Y_abs, 6)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(Lab_hdr, illuminant, Y_s, Y_abs), XYZ, decimal=7)
Lab_hdr = np.reshape(Lab_hdr, (2, 3, 3))
illuminant = np.reshape(illuminant, (2, 3, 2))
Y_s = np.reshape(Y_s, (2, 3))
Y_abs = np.reshape(Y_abs, (2, 3))
XYZ = np.reshape(XYZ, (2, 3, 3))
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(Lab_hdr, illuminant, Y_s, Y_abs), XYZ, decimal=7)
def test_nan_hdr_CIELab_to_XYZ(self):
"""
Tests :func:`colour.models.hdr_cie_lab.hdr_CIELab_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:
Lab_hdr = np.array(case)
illuminant = np.array(case[0:2])
Y_s = case[0]
Y_abs = case[0]
hdr_CIELab_to_XYZ(Lab_hdr, illuminant, Y_s, Y_abs)
def test_nan_hdr_CIELab_to_XYZ(self):
"""
Tests :func:`colour.models.hdr_cie_lab.hdr_CIELab_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:
Lab_hdr = np.array(case)
illuminant = np.array(case[0:2])
Y_s = case[0]
Y_abs = case[0]
hdr_CIELab_to_XYZ(Lab_hdr, illuminant, Y_s, Y_abs)
def test_hdr_CIELab_to_XYZ(self):
"""Test :func:`colour.models.hdr_cie_lab.hdr_CIELab_to_XYZ` definition."""
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(np.array([51.87002062, 60.47633850,
32.14551912])),
np.array([0.20654008, 0.12197225, 0.05136952]),
decimal=7,
)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(
np.array([51.87002062, 44.49667330, -6.69619196]),
np.array([0.44757, 0.40745]),
),
np.array([0.20654008, 0.12197225, 0.05136952]),
decimal=7,
)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(
np.array([31.99621114, 95.08564341, -14.14047055]),
np.array([0.44757, 0.40745]),
method="Fairchild 2010",
),
np.array([0.20654008, 0.12197225, 0.05136952]),
decimal=7,
)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(np.array([23.10388654, 59.31425004,
23.69960142]),
Y_s=0.5),
np.array([0.20654008, 0.12197225, 0.05136952]),
decimal=7,
)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(np.array([29.77261805, 62.58315675,
27.31232673]),
Y_abs=1000),
np.array([0.20654008, 0.12197225, 0.05136952]),
decimal=7,
)
def test_domain_range_scale_hdr_CIELab_to_XYZ(self):
"""
Tests :func:`colour.models.hdr_cie_lab.hdr_CIELab_to_XYZ` definition
domain and range scale support.
"""
Lab_hdr = np.array([26.46461067, -24.61332600, -4.84796811])
illuminant = np.array([0.31270, 0.32900])
Y_s = 0.2
Y_abs = 100
XYZ = hdr_CIELab_to_XYZ(Lab_hdr, illuminant, Y_s, Y_abs)
d_r = (('reference', 1, 1, 1), (1, 0.01, 1, 1), (100, 1, 100, 100))
for scale, factor_a, factor_b, factor_c in d_r:
with domain_range_scale(scale):
np.testing.assert_almost_equal(hdr_CIELab_to_XYZ(
Lab_hdr * factor_a, illuminant, Y_s * factor_b, Y_abs),
XYZ * factor_c,
decimal=7)
def test_domain_range_scale_hdr_CIELab_to_XYZ(self):
"""
Tests :func:`colour.models.hdr_cie_lab.hdr_CIELab_to_XYZ` definition
domain and range scale support.
"""
Lab_hdr = np.array([26.46461067, -24.61332600, -4.84796811])
illuminant = np.array([0.31270, 0.32900])
Y_s = 0.2
Y_abs = 100
XYZ = hdr_CIELab_to_XYZ(Lab_hdr, illuminant, Y_s, Y_abs)
d_r = (('reference', 1, 1, 1), (1, 0.01, 1, 1), (100, 1, 100, 100))
for scale, factor_a, factor_b, factor_c in d_r:
with domain_range_scale(scale):
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(Lab_hdr * factor_a, illuminant,
Y_s * factor_b, Y_abs),
XYZ * factor_c,
decimal=7)
def test_n_dimensional_hdr_CIELab_to_XYZ(self):
"""
Tests :func:`colour.models.hdr_cie_lab.hdr_CIELab_to_XYZ` definition
n-dimensions support.
"""
Lab_hdr = np.array([26.46461067, -24.61332600, -4.84796811])
illuminant = np.array([0.34570, 0.35850])
Y_s = 0.2
Y_abs = 100
XYZ = np.array([0.07049534, 0.10080000, 0.09558313])
np.testing.assert_almost_equal(hdr_CIELab_to_XYZ(
Lab_hdr, illuminant, Y_s, Y_abs),
XYZ,
decimal=7)
Lab_hdr = np.tile(Lab_hdr, (6, 1))
XYZ = np.tile(XYZ, (6, 1))
np.testing.assert_almost_equal(hdr_CIELab_to_XYZ(
Lab_hdr, illuminant, Y_s, Y_abs),
XYZ,
decimal=7)
illuminant = np.tile(illuminant, (6, 1))
Y_s = np.tile(Y_s, 6)
Y_abs = np.tile(Y_abs, 6)
np.testing.assert_almost_equal(hdr_CIELab_to_XYZ(
Lab_hdr, illuminant, Y_s, Y_abs),
XYZ,
decimal=7)
Lab_hdr = np.reshape(Lab_hdr, (2, 3, 3))
illuminant = np.reshape(illuminant, (2, 3, 2))
Y_s = np.reshape(Y_s, (2, 3))
Y_abs = np.reshape(Y_abs, (2, 3))
XYZ = np.reshape(XYZ, (2, 3, 3))
np.testing.assert_almost_equal(hdr_CIELab_to_XYZ(
Lab_hdr, illuminant, Y_s, Y_abs),
XYZ,
decimal=7)
def test_hdr_CIELab_to_XYZ(self):
"""
Tests :func:`colour.models.hdr_cie_lab.hdr_CIELab_to_XYZ` definition.
"""
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(
np.array([51.87002062, 60.47633850, 32.14551912])),
np.array([0.20654008, 0.12197225, 0.05136952]),
decimal=7)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(
np.array([51.87002062, 44.49667330, -6.69619196]),
np.array([0.44757, 0.40745])),
np.array([0.20654008, 0.12197225, 0.05136952]),
decimal=7)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(
np.array([31.99621114, 95.08564341, -14.14047055]),
np.array([0.44757, 0.40745]),
method='Fairchild 2010'),
np.array([0.20654008, 0.12197225, 0.05136952]),
decimal=7)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(
np.array([23.10388654, 59.31425004, 23.69960142]), Y_s=0.5),
np.array([0.20654008, 0.12197225, 0.05136952]),
decimal=7)
np.testing.assert_almost_equal(
hdr_CIELab_to_XYZ(
np.array([29.77261805, 62.58315675, 27.31232673]), Y_abs=1000),
np.array([0.20654008, 0.12197225, 0.05136952]),
decimal=7)
