colour.xyY_to_xy

colour.xyY_to_xy(xyY)[source]

Converts from CIE xyY colourspace to CIE xy chromaticity coordinates.

xyY argument with last dimension being equal to 2 will be assumed to be a CIE xy chromaticity coordinates argument and will be returned directly by the definition.

Parameters

xyY (array_like) – CIE xyY colourspace array or CIE xy chromaticity coordinates.

Returns

CIE xy chromaticity coordinates.

Return type

ndarray

Notes

Domain

Scale - Reference

Scale - 1

xyY

[0, 1]

[0, 1]

References

[Wikipedia05a]

Examples

>>> xyY = np.array([0.54369557, 0.32107944, 0.12197225])
>>> xyY_to_xy(xyY)  
array([ 0.54369557...,  0.32107944...])
>>> xy = np.array([0.54369557, 0.32107944])
>>> xyY_to_xy(xy)  
array([ 0.54369557...,  0.32107944...])