From 8e7afb77af406cfa778ef71f0c0bdf77f759b3c4 Mon Sep 17 00:00:00 2001
From: Thomas Mansencal <thomas.mansencal@gmail.com>
Date: Mon, 22 Apr 2024 15:51:47 +1200
Subject: [PATCH] Add `EPSILON` to primaries in
 `colour_visuals.VisualRGBColourspace2D` class to avoid singularities.

---
 colour_visuals/rgb_colourspace.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/colour_visuals/rgb_colourspace.py b/colour_visuals/rgb_colourspace.py
index eebe35e..4148377 100644
--- a/colour_visuals/rgb_colourspace.py
+++ b/colour_visuals/rgb_colourspace.py
@@ -171,10 +171,9 @@ def update(self):
         XYZ_to_ij = METHODS_CHROMATICITY_DIAGRAM[self._method]["XYZ_to_ij"]
 
         ij = XYZ_to_ij(
-            xy_to_XYZ(self._colourspace.primaries),
+            xy_to_XYZ(self._colourspace.primaries + EPSILON),
             plotting_colourspace.whitepoint,
         )
-        ij[np.isnan(ij)] = 0
 
         positions = append_channel(
             np.array([ij[0], ij[1], ij[1], ij[2], ij[2], ij[0]]), 0