colour.hdr_IPT_to_hdr_ICH

colour.hdr_IPT_to_hdr_ICH(Jab)

Convert from hdr_IPT colourspace to hdr_ICH colourspace.

This is a convenient definition wrapping colour.models.Jab_to_JCh() definition.

Parameters:

Jab – hdr_IPT colourspace array.

Returns:

hdr_ICH colourspace array.

Return type:

numpy.ndarray

Notes

Domain	Scale - Reference	Scale - 1
Jab	J : [0, 100] a : [-100, 100] b : [-100, 100]	J : [0, 1] a : [-1, 1] b : [-1, 1]

Range	Scale - Reference	Scale - 1
JCh	J : [0, 100] C : [0, 100] h : [0, 360]	J : [0, 1] C : [0, 1] h : [0, 1]