colour.temperature.CCT_to_uv_Robertson1968

colour.temperature.CCT_to_uv_Robertson1968(CCT, D_uv=0)

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

Parameters:

• CCT (numeric) – Correlated colour temperature \(T_{cp}\).
• D_uv (numeric) – \(\Delta_{uv}\).

Returns:

CIE UCS colourspace uv chromaticity coordinates.

Return type:

ndarray

References

• [AdobeSystems13b]
• [WS00c]

Examples

>>> CCT = 6500.0081378199056
>>> D_uv = 0.008333331244225
>>> CCT_to_uv_Robertson1968(CCT, D_uv)  
array([ 0.1937413...,  0.3152210...])