colour.XYZ_to_UCS

colour.XYZ_to_UCS(XYZ)[source]

Converts from CIE XYZ tristimulus values to CIE 1960 UCS colourspace.

Parameters

XYZ (array_like) – CIE XYZ tristimulus values.

Returns

CIE 1960 UCS colourspace array.

Return type

ndarray

Notes

Domain

Scale - Reference

Scale - 1

XYZ

[0, 1]

[0, 1]

Range

Scale - Reference

Scale - 1

UVW

[0, 1]

[0, 1]

References

[Wikipedia08d], [Wikipedia08a]

Examples

>>> import numpy as np
>>> XYZ = np.array([0.20654008, 0.12197225, 0.05136952])
>>> XYZ_to_UCS(XYZ)  
array([ 0.1376933...,  0.1219722...,  0.1053731...])