colour.XYZ_to_IPT¶
-
colour.
XYZ_to_IPT
(XYZ)[source]¶ Converts from CIE XYZ tristimulus values to IPT colourspace.
- Parameters
XYZ (array_like) – CIE XYZ tristimulus values.
- Returns
IPT colourspace array.
- Return type
ndarray
Notes
Domain
Scale - Reference
Scale - 1
XYZ
[0, 1]
[0, 1]
Range
Scale - Reference
Scale - 1
IPT
I
: [0, 1]P
: [-1, 1]T
: [-1, 1]I
: [0, 1]P
: [-1, 1]T
: [-1, 1]Input CIE XYZ tristimulus values needs to be adapted for CIE Standard Illuminant D Series D65.
References
Examples
>>> XYZ = np.array([0.20654008, 0.12197225, 0.05136952]) >>> XYZ_to_IPT(XYZ) array([ 0.3842619..., 0.3848730..., 0.1888683...])