Add a vertex index map using v.getIndex()

afabri · Oct 11, 2024 · a8cfbed · a8cfbed
1 parent c19c648
commit a8cfbed
Show file tree

Hide file tree

Showing 2 changed files with 29 additions and 2 deletions.
diff --git a/BGL/include/CGAL/boost/graph/graph_traits_geometrycentral.h b/BGL/include/CGAL/boost/graph/graph_traits_geometrycentral.h
@@ -738,7 +738,7 @@ class GC_point_pmap
   const VertexPositionGeometry* vpg_;
 };
 
-template <typename K, typename VEF>
+template <typename VEF>
 class GC_index_pmap
 {
 public:
@@ -768,6 +768,32 @@ struct property_map<geometrycentral::surface::ManifoldSurfaceMesh, boost::vertex
   typedef geometrycentral::surface::GC_point_pmap type;
   typedef type const_type;
 };
+
+
+template <>
+struct property_map<geometrycentral::surface::ManifoldSurfaceMesh, boost::vertex_index_t >
+{
+  typedef geometrycentral::surface::ManifoldSurfaceMesh Mesh;
+  typedef geometrycentral::surface::GC_index_pmap<typename boost::graph_traits<Mesh>::vertex_descriptor> type;
+  typedef geometrycentral::surface::GC_index_pmap<typename boost::graph_traits<Mesh>::vertex_descriptor> const_type;
+};
+
 } // namespace boost
 
+
+namespace geometrycentral {
+namespace surface {
+
+
+GC_index_pmap<typename boost::graph_traits<ManifoldSurfaceMesh>::vertex_descriptor>
+get(const boost::vertex_index_t&, const ManifoldSurfaceMesh&)
+{
+  typedef ManifoldSurfaceMesh Mesh;
+  return GC_index_pmap<typename boost::graph_traits<Mesh>::vertex_descriptor>();
+}
+
+}
+
+}
+
 #endif
diff --git a/BGL/test/BGL/graph_concept_geometrycentral.cpp b/BGL/test/BGL/graph_concept_geometrycentral.cpp
@@ -136,7 +136,8 @@ int main()
   boost::breadth_first_search(*mesh,
                               source,
                               boost::visitor(boost::make_bfs_visitor(boost::record_distances(boost::make_assoc_property_map(distance), boost::on_tree_edge())))
-                              .vertex_index_map(boost::associative_property_map<geometrycentral::surface::VertexData<std::size_t>>(mesh->getVertexIndices())));
+                         //     .vertex_index_map(boost::associative_property_map<geometrycentral::surface::VertexData<std::size_t>>(mesh->getVertexIndices()))
+                              );
 
   for(auto v : mesh->vertices()){
     std::cout << v << " at distance " << distance[v] << std::endl;