colour.plotting.models.lines_pointer_gamut#

colour.plotting.models.lines_pointer_gamut(method: Literal['CIE 1931', 'CIE 1960 UCS', 'CIE 1976 UCS'] | str = 'CIE 1931')[source]#

Return the Pointer’s Gamut line vertices, i.e. positions, normals and colours, according to given method.

Parameters:: method (Literal['CIE 1931', 'CIE 1960 UCS', 'CIE 1976 UCS'] | str) – Chromaticity Diagram method.
Returns:: Tuple of Pointer’s Gamut boundary and volume vertices.
Return type:: tuple

Examples

>>> lines = lines_pointer_gamut()
>>> len(lines)
2
>>> lines[0].dtype
dtype([('position', '<f8', (2,)), ('normal', '<f8', (2,)), ('colour', '<f8', (3,))])
>>> lines[1].dtype
dtype([('position', '<f8', (2,)), ('normal', '<f8', (2,)), ('colour', '<f8', (3,))])