colour.plotting.plot_chromaticity_diagram_CIE1931¶

colour.plotting.plot_chromaticity_diagram_CIE1931(cmfs='CIE 1931 2 Degree Standard Observer', show_diagram_colours=True, show_spectral_locus=True, **kwargs)[source]¶

Plots the CIE 1931 Chromaticity Diagram.

Parameters

cmfs (unicode or XYZ_ColourMatchingFunctions, optional) – Standard observer colour matching functions used for computing the spectral locus boundaries. cmfs can be of any type or form supported by the colour.plotting.filter_cmfs() definition.
show_diagram_colours (bool, optional) – Whether to display the Chromaticity Diagram background colours.
show_spectral_locus (bool, optional) – Whether to display the Spectral Locus.
**kwargs (dict, optional) – {colour.plotting.artist(), colour.plotting.diagrams.plot_chromaticity_diagram(), colour.plotting.render()}, Please refer to the documentation of the previously listed definitions.

Returns

Current figure and axes.

Return type

tuple

Examples

>>> plot_chromaticity_diagram_CIE1931()  
(<Figure size ... with 1 Axes>, <...AxesSubplot...>)