colour.Luv_to_XYZ¶
-
colour.
Luv_to_XYZ
(Luv, illuminant=array([ 0.3457, 0.3585]))[source]¶ Converts from CIE L*u*v* colourspace to CIE XYZ tristimulus values.
Parameters: - Luv (array_like) – CIE L*u*v* colourspace array.
- illuminant (array_like, optional) – Reference illuminant xy chromaticity coordinates or CIE xyY colourspace array.
Returns: CIE XYZ tristimulus values.
Return type: ndarray
Notes
- Input \(L^*\) is in domain [0, 100].
- Input illuminant xy chromaticity coordinates or CIE xyY colourspace array are in domain [0, \(\infty\)].
- Output CIE XYZ tristimulus values are in range [0, 1].
References
Examples
>>> Luv = np.array([37.9856291 , -28.80219593, -1.35800706]) >>> Luv_to_XYZ(Luv) array([ 0.0704953..., 0.1008 , 0.0955831...])