colour.temperature.uv_to_CCT_Robertson1968

colour.temperature.uv_to_CCT_Robertson1968(uv)[source]

Returns the correlated colour temperature \(T_{cp}\) and \(\Delta_{uv}\) from given CIE UCS colourspace uv chromaticity coordinates using Roberston (1968) method.

Parameters:uv (array_like) – CIE UCS colourspace uv chromaticity coordinates.
Returns:Correlated colour temperature \(T_{cp}\), \(\Delta_{uv}\).
Return type:ndarray

References

[AdobeSystems2013], [Wyszecki2000y]

Examples

>>> uv = np.array([0.193741375998230, 0.315221043940594])
>>> uv_to_CCT_Robertson1968(uv)  # doctest: +ELLIPSIS
array([  6.5000162...e+03,   8.3333289...e-03])