colour.IgCHpt_to_IgPgTg

colour.IgCHpt_to_IgPgTg(JCh)

Convert from IgCHpt colourspace to IgPgTg colourspace.

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

Parameters:

JCh – IgCHpt colourspace array.

Returns:

IgPgTg colourspace array.

Return type:

numpy.ndarray

Notes

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

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