colour.CCT_to_uv

colour.CCT_to_uv(CCT, method=u'Ohno 2013', **kwargs)

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]
• [WS00c]

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)  
array([ 0.1977999...,  0.3121999...])