colour.IgPgTg_to_XYZ

colour.IgPgTg_to_XYZ(IgPgTg)[source]

Converts from \(I_GP_GT_G\) colourspace to CIE XYZ tristimulus values.

Parameters

IgPgTg (array_like) – \(I_GP_GT_G\) colourspace array.

Returns

CIE XYZ tristimulus values.

Return type

ndarray

Notes

Domain

Scale - Reference

Scale - 1

IgPgTg

IG : [0, 1]

PG : [-1, 1]

TG : [-1, 1]

IG : [0, 1]

PG : [-1, 1]

TG : [-1, 1]

Range

Scale - Reference

Scale - 1

XYZ

[0, 1]

[0, 1]

References

[HF20]

Examples

>>> IgPgTg = np.array([0.42421258, 0.18632491, 0.10689223])
>>> IgPgTg_to_XYZ(IgPgTg)  
array([ 0.2065400...,  0.1219722...,  0.0513695...])