colour.plotting.lines_daylight_locus#

colour.plotting.lines_daylight_locus(mireds: bool = False, method: Literal['CIE 1931', 'CIE 1960 UCS', 'CIE 1976 UCS'] | str = 'CIE 1931') Tuple[NDArray][source]#

Return the Daylight Locus line vertices including positions, normals, and colours using the specified chromaticity diagram method.

Parameters:
  • mireds (bool) – Whether to use micro reciprocal degrees for the iso-temperature lines.

  • method (Literal['CIE 1931', 'CIE 1960 UCS', 'CIE 1976 UCS'] | str) – Daylight Locus chromaticity diagram method.

Returns:

Tuple of Daylight Locus line vertices containing position, normal, and colour data.

Return type:

tuple

Examples

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