colour.xy_to_XYZ¶
-
colour.
xy_to_XYZ
(xy)[source]¶ Returns the CIE XYZ tristimulus values from given xy chromaticity coordinates.
Parameters: xy (array_like) – xy chromaticity coordinates. Returns: CIE XYZ tristimulus values. Return type: ndarray Notes
- Input xy chromaticity coordinates are in domain [0, 1].
- Output CIE XYZ tristimulus values are in range [0, 1].
References
Examples
>>> xy = np.array([0.26414772, 0.37770001]) >>> xy_to_XYZ(xy) array([ 0.6993585..., 1. , 0.9482453...])