colour.CCT_to_uv¶
-
colour.
CCT_to_uv
(CCT, method='Ohno 2013', **kwargs)[source]¶ Returns the CIE UCS colourspace uv chromaticity coordinates from given correlated colour temperature \(T_{cp}\) using given method.
Parameters: - CCT (numeric) – Correlated colour temperature \(T_{cp}\).
- method (unicode, optional) – {‘Ohno 2013’, ‘Robertson 1968’, ‘Krystek 1985}, Computation method.
Other Parameters: - D_uv (numeric) – {
CCT_to_uv_Ohno2013, CCT_to_uv_Robertson1968()
}, \(\Delta_{uv}\). - cmfs (XYZ_ColourMatchingFunctions, optional) – {
colour.temperature.CCT_to_uv_Ohno2013()
}, Standard observer colour matching functions.
Returns: CIE UCS colourspace uv chromaticity coordinates.
Return type: ndarray
References
[AdobeSystems13a], [AdobeSystems13b], [Kry85], [Ohn14], [WS00e]
Examples
>>> from colour import STANDARD_OBSERVERS_CMFS >>> cmfs = STANDARD_OBSERVERS_CMFS['CIE 1931 2 Degree Standard Observer'] >>> CCT = 6507.47380460 >>> D_uv = 0.00322335 >>> CCT_to_uv(CCT, D_uv=D_uv, cmfs=cmfs) # doctest: +ELLIPSIS array([ 0.1977999..., 0.3121999...])