[Boost-users] [BGL] Searching for index_map

Subject: [Boost-users] [BGL] Searching for index_map
From: caligulaemperorofrome_at_[hidden]
Date: 2009-06-15 02:23:11

When I run my program the output gives an id to each edge and vertex like so.

<edge id="e262" source="n46" target="n43">

This must be the index. So how can I access this index?
When I put the following in my code it fails to compile.
error: ‘index_map’ was not declared in this scope


for (tie(edge_iter, edges_end) = edges(g); edge_iter != edges_end; ++edge_iter) {
       
         get(index_map, *edge_iter, g);
}

Do I need "get_property(index_map) or something? 
My Graph declaration is as follows.

typedef adjacency_list < listS, vecS, directedS >::edge_descriptor edge_t;

typedef adjacency_list < listS, vecS, directedS >::vertex_descriptor vertex_t;
  
typedef adjacency_list < listS, vecS, directedS,
property< vertex_predecessor_t, vertex_t, vertex_properties >,
property< edge_reverse_t, edge_t, edge_properties > > graph_t;

Thanks