colour.temperature.CCT_to_uv_Ohno2013¶
- colour.temperature.CCT_to_uv_Ohno2013(CCT_D_uv: ArrayLike, cmfs: Optional[colour.colorimetry.spectrum.MultiSpectralDistributions] = None) numpy.ndarray [source]¶
Return the CIE UCS colourspace uv chromaticity coordinates from given correlated colour temperature \(T_{cp}\), \(\Delta_{uv}\) and colour matching functions using Ohno (2013) method.
- Parameters
CCT_D_uv (ArrayLike) – Correlated colour temperature \(T_{cp}\), \(\Delta_{uv}\).
cmfs (Optional[colour.colorimetry.spectrum.MultiSpectralDistributions]) – Standard observer colour matching functions, default to the CIE 1931 2 Degree Standard Observer.
- Returns
CIE UCS colourspace uv chromaticity coordinates.
- Return type
References
[Ohn14]
Examples
>>> from pprint import pprint >>> from colour import MSDS_CMFS, SPECTRAL_SHAPE_DEFAULT >>> cmfs = ( ... MSDS_CMFS['CIE 1931 2 Degree Standard Observer']. ... copy().align(SPECTRAL_SHAPE_DEFAULT) ... ) >>> CCT_D_uv = np.array([6507.4342201047066, 0.003223690901513]) >>> CCT_to_uv_Ohno2013(CCT_D_uv, cmfs) array([ 0.1977999..., 0.3122004...])