def test_n_dimensional_luminance_CIE1976(self):
"""
Tests :func:`colour.colorimetry.lightness.luminance_CIE1976`
definition n-dimensional arrays support.
"""
Lstar = 37.98562910
Y = 10.080000000026304
np.testing.assert_almost_equal(
luminance_CIE1976(Lstar),
Y,
decimal=7)
Lstar = np.tile(Lstar, 6)
Y = np.tile(Y, 6)
np.testing.assert_almost_equal(
luminance_CIE1976(Lstar),
Y,
decimal=7)
Lstar = np.reshape(Lstar, (2, 3))
Y = np.reshape(Y, (2, 3))
np.testing.assert_almost_equal(
luminance_CIE1976(Lstar),
Y,
decimal=7)
Lstar = np.reshape(Lstar, (2, 3, 1))
Y = np.reshape(Y, (2, 3, 1))
np.testing.assert_almost_equal(
luminance_CIE1976(Lstar),
Y,
decimal=7)
def test_nan_luminance_CIE1976(self):
"""
Tests :func:`colour.colorimetry.luminance.luminance_CIE1976`
definition nan support.
"""
luminance_CIE1976(np.array([-1.0, 0.0, 1.0, -np.inf, np.inf, np.nan]))
def test_luminance_CIE1976(self):
"""
Tests :func:`colour.colorimetry.luminance.luminance_CIE1976`
definition.
"""
self.assertAlmostEqual(
luminance_CIE1976(37.98562910),
10.08000000,
places=7)
self.assertAlmostEqual(
luminance_CIE1976(80.04441556),
56.76000000,
places=7)
self.assertAlmostEqual(
luminance_CIE1976(99.34672790),
98.32000000,
places=7)
self.assertAlmostEqual(
luminance_CIE1976(37.98562910, 50),
5.04000000,
places=7)
self.assertAlmostEqual(
luminance_CIE1976(37.98562910, 75),
7.56000000,
places=7)
self.assertAlmostEqual(
luminance_CIE1976(37.98562910, 95),
9.57600000,
places=7)
