colour.ICH_to_IPT#

colour.ICH_to_IPT(JCh)#

Convert from ICH colourspace to IPT colourspace.

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

Parameters:

JChICH colourspace array.

Returns:

IPT 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]