From d65272098fce31e78202278a3d220007b3e0debe Mon Sep 17 00:00:00 2001
From: wo80 <christian.woltering@tu-dortmund.de>
Date: Mon, 8 Jan 2024 12:28:30 +0100
Subject: [PATCH] Set the label of Voronoi vertices to the label of their dual
 triangle.

---
 src/Triangle/Voronoi/IVoronoiFactory.cs | 2 +-
 src/Triangle/Voronoi/StandardVoronoi.cs | 2 --
 src/Triangle/Voronoi/VoronoiBase.cs     | 1 +
 3 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/Triangle/Voronoi/IVoronoiFactory.cs b/src/Triangle/Voronoi/IVoronoiFactory.cs
index 2c3108d..83ca851 100644
--- a/src/Triangle/Voronoi/IVoronoiFactory.cs
+++ b/src/Triangle/Voronoi/IVoronoiFactory.cs
@@ -4,7 +4,7 @@ namespace TriangleNet.Voronoi
     using TriangleNet.Topology.DCEL;
 
     /// <summary>
-    /// Factory for Voronoi DCEL datastructure.
+    /// Factory for Voronoi DCEL data structure.
     /// </summary>
     public interface IVoronoiFactory
     {
diff --git a/src/Triangle/Voronoi/StandardVoronoi.cs b/src/Triangle/Voronoi/StandardVoronoi.cs
index 5a88830..839bcd5 100644
--- a/src/Triangle/Voronoi/StandardVoronoi.cs
+++ b/src/Triangle/Voronoi/StandardVoronoi.cs
@@ -6,10 +6,8 @@
 
 namespace TriangleNet.Voronoi
 {
-    using System.Collections.Generic;
     using TriangleNet.Geometry;
     using TriangleNet.Tools;
-    using TriangleNet.Topology.DCEL;
 
     /// <summary>
     /// Computing the standard Voronoi diagram of a Delaunay triangulation.
diff --git a/src/Triangle/Voronoi/VoronoiBase.cs b/src/Triangle/Voronoi/VoronoiBase.cs
index 92a5b81..e93699d 100644
--- a/src/Triangle/Voronoi/VoronoiBase.cs
+++ b/src/Triangle/Voronoi/VoronoiBase.cs
@@ -130,6 +130,7 @@ protected List<HalfEdge>[] ComputeVertices(Mesh mesh, Vertex[] vertices)
 
                 vertex = factory.CreateVertex(pt.x, pt.y);
                 vertex.id = id;
+                vertex.label = t.label;
 
                 vertices[id] = vertex;
                 map[id] = new List<HalfEdge>();