colour.xyY_to_XYZ

colour.xyY_to_XYZ(xyY)[source]

Converts from CIE xyY colourspace to CIE XYZ tristimulus values.

Parameters

xyY (array_like) – CIE xyY colourspace array.

Returns

CIE XYZ tristimulus values.

Return type

ndarray

Notes

Domain

Scale - Reference

Scale - 1

xyY

[0, 1]

[0, 1]

Range

Scale - Reference

Scale - 1

XYZ

[0, 1]

[0, 1]

References

[Lin09d], [Wikipedia05a]

Examples

>>> xyY = np.array([0.54369557, 0.32107944, 0.12197225])
>>> xyY_to_XYZ(xyY)  
array([ 0.2065400...,  0.1219722...,  0.0513695...])