colour.XYZ_to_IgPgTg#
- colour.XYZ_to_IgPgTg(XYZ: ArrayLike) NDArrayFloat [source]#
Convert from CIE XYZ tristimulus values to \(I_GP_GT_G\) colourspace.
- Parameters:
XYZ (ArrayLike) – CIE XYZ tristimulus values.
- Returns:
\(I_GP_GT_G\) colourspace array.
- Return type:
Notes
Domain
Scale - Reference
Scale - 1
XYZ
[0, 1]
[0, 1]
Range
Scale - Reference
Scale - 1
IgPgTg
IG
: [0, 1]PG
: [-1, 1]TG
: [-1, 1]IG
: [0, 1]PG
: [-1, 1]TG
: [-1, 1]Input CIE XYZ tristimulus values must be adapted to CIE Standard Illuminant D Series D65.
References
[HF20]
Examples
>>> XYZ = np.array([0.20654008, 0.12197225, 0.05136952]) >>> XYZ_to_IgPgTg(XYZ) array([ 0.4242125..., 0.1863249..., 0.1068922...])