Chromaticity Plotter

Plots the pixels of an image on a xy-chromaticity diagram along with some optional references.

This function plots the pixels of an image on a xy-chromaticity diagram. It requires a csv file with the original CIExyz1931 color matching functions, titled "CIE_xyz_1931_2deg.csv" (available at https://cie.co.at/datatable/cie-1931-colour-matching-functions-2-degree-observer).

The function is meant to be used as an educational tool for course on Visual Perception.

The function accepts the following optional parameters:

- Image file

- Plot a reference RGB triangle

> Plot only the outline

> Plot a filled triangle

- Plot the daylight locus

- Plot the CIExyz1931 reference values along with wavelenght labels