colour.CCT_to_xy¶
- colour.CCT_to_xy(CCT: FloatingOrArrayLike, method: Union[Literal['CIE Illuminant D Series', 'Kang 2002', 'Hernandez 1999', 'McCamy 1992'], str] = 'CIE Illuminant D Series') numpy.ndarray [source]¶
Return the CIE xy chromaticity coordinates from given correlated colour temperature \(T_{cp}\) using given method.
- Parameters
CCT (FloatingOrArrayLike) – Correlated colour temperature \(T_{cp}\).
method (Union[Literal['CIE Illuminant D Series', 'Kang 2002', 'Hernandez 1999', 'McCamy 1992'], str]) – Computation method.
optimisation_kwargs – {
colour.temperature.CCT_to_xy_Hernandez1999()
,colour.temperature.CCT_to_xy_McCamy1992()
}, Parameters forscipy.optimize.minimize()
definition.
- Returns
CIE xy chromaticity coordinates.
- Return type
References
[HernandezAndresLR99], [KMH+02], [Wikipedia01a], [Wikipedia01b], [WS00d]
Examples
>>> CCT_to_xy(6504.38938305) array([ 0.3127077..., 0.3291128...]) >>> CCT_to_xy(6504.38938305, 'Kang 2002') ... array([ 0.313426 ..., 0.3235959...])