def test_reference_xyz(xyz, ref): cs = colorio.CIELCH() xyz = numpy.array(xyz) ref = numpy.array(ref) assert numpy.all(abs(cs.from_xyz100(xyz) - ref) < 1.0e-4 * ref) return
def test_reference_xyz_d50(vals, ref): cs = colorio.CIELCH(whitepoint=numpy.array([96.422, 100, 82.521]) / 100) xyz = numpy.array(vals) / 100 assert numpy.all( abs(cs.from_xyz100(xyz) - ref) < 1.0e-6 * abs(numpy.array(ref))) return
def test_conversion(xyz): cielch = colorio.CIELCH() out = cielch.to_xyz100(cielch.from_xyz100(xyz)) assert numpy.all(abs(xyz - out) < 1.0e-14) return