def test_n_dimensional_OSA_UCS_to_XYZ(self):
"""
Tests :func:`colour.models.osa_ucs.OSA_UCS_to_XYZ` definition
n-dimensions support.
"""
Ljg = np.array([-3.00499790, 2.99713697, -9.66784231])
XYZ = np.array([0.20654008, 0.12197225, 0.05136952]) * 100
np.testing.assert_allclose(OSA_UCS_to_XYZ(Ljg),
XYZ,
rtol=0.00001,
atol=0.00001)
Ljg = np.tile(Ljg, (6, 1))
XYZ = np.tile(XYZ, (6, 1))
np.testing.assert_allclose(OSA_UCS_to_XYZ(Ljg),
XYZ,
rtol=0.00001,
atol=0.00001)
Ljg = np.reshape(Ljg, (2, 3, 3))
XYZ = np.reshape(XYZ, (2, 3, 3))
np.testing.assert_allclose(OSA_UCS_to_XYZ(Ljg),
XYZ,
rtol=0.00001,
atol=0.00001)
def test_OSA_UCS_to_XYZ(self):
"""
Tests :func:`colour.models.osa_ucs.OSA_UCS_to_XYZ` definition.
"""
np.testing.assert_allclose(
OSA_UCS_to_XYZ(np.array([-3.00499790, 2.99713697, -9.66784231]),
{'disp': False}),
np.array([0.20654008, 0.12197225, 0.05136952]) * 100,
rtol=0.00001,
atol=0.00001)
np.testing.assert_allclose(
OSA_UCS_to_XYZ(np.array([-1.64657491, 4.59201565, 5.31738757]),
{'disp': False}),
np.array([0.14222010, 0.23042768, 0.10495772]) * 100,
rtol=0.00001,
atol=0.00001)
np.testing.assert_allclose(
OSA_UCS_to_XYZ(np.array([-5.08589672, -7.91062749, 0.98107575]),
{'disp': False}),
np.array([0.07818780, 0.06157201, 0.28099326]) * 100,
rtol=0.00001,
atol=0.00001)
def test_domain_range_scale_OSA_UCS_to_XYZ(self):
"""
Tests :func:`colour.models.osa_ucs.OSA_UCS_to_XYZ` definition domain
and range scale support.
"""
Ljg = np.array([-3.00499790, 2.99713697, -9.66784231])
XYZ = OSA_UCS_to_XYZ(Ljg)
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(
OSA_UCS_to_XYZ(Ljg * factor), XYZ * factor, decimal=7)
