Re: [Boost-users] [Graph] How to initialize edge index map?

From: Anton A. Patrushev (anton_at_[hidden])
Date: 2007-08-02 20:45:16

Thank you, Stephan!

It's working now.

Anton.

> Hi Anton,
> 
> On 8/2/07, Anton A. Patrushev <anton_at_[hidden]> wrote:
> > Hi,
> > How to initialize edge index map?
> > I tried following:
> >
> >   typedef adjacency_list<vecS, vecS, directedS, Vertex, Edge>
> > graph_t;
> 
> You are using bundled properties,
> 
> [snip]
> >   for(tie(ei, ei_end) = edges(graph); ei != ei_end; ++ei, ++index)
> >     put(edge_index, graph, *ei, index);
> 
> but you are trying to access a property list.
> If you are using bundled properties and your Edge looks like:
> struct Edge{
>  std::size_t edge_index;
> };
> the initialization reads:
> 
> for(tie(ei, ei_end) = edges(graph); ei != ei_end; ++ei, ++index)
>   graph[*ei].edge_index = index;
> 
> If you were using property lists and typedef you adjacency_list like
> typedef adjacency_list<vecS, vecS, directedS, Vertex,
> property<edge_intex_t, std::size_t> > graph_t;
> your initialization would worked.
> 
> See http://tinyurl.com/r7gv6 and http://tinyurl.com/35adta for details.
> 
> HTH,
> Stephan
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