colour.CCT_to_xy¶
-
colour.
CCT_to_xy
(CCT, method='CIE Illuminant D Series')[source]¶ Returns the CIE xy chromaticity coordinates from given correlated colour temperature \(T_{cp}\) using given method.
- Parameters
CCT (numeric or array_like) – Correlated colour temperature \(T_{cp}\).
method (unicode, optional) – {‘CIE Illuminant D Series’, ‘Hernandez 1999’, ‘Kang 2002’, ‘McCamy 1992’}, Computation method.
- Other Parameters
optimisation_parameters (dict_like, optional) – {
colour.temperature.CCT_to_xy_Hernandez1999()
,colour.temperature.CCT_to_xy_McCamy1992()
}, Parameters forscipy.optimize.minimize()
definition.- Returns
CIE xy chromaticity coordinates.
- Return type
ndarray
References
[HernandezAndresLR99], [KMH+02], [Wik01a], [Wik01b], [WS00d]
Examples
>>> CCT_to_xy(6504.38938305) array([ 0.3127077..., 0.3291128...]) >>> CCT_to_xy(6504.38938305, 'Kang 2002') ... array([ 0.313426 ..., 0.3235959...])