The following: vector<standard::UnDirectedVertex> parent(num_vertices(graph_)); prim_minimum_spanning_tree(graph_,&parent[0]); gives me the minimum spanning tree using the boost::edge_weight property however I would like to use another property as I use the boost::edge_weight property for other things. I tried as described here but have some problems see error messages. I believe it is because of the parameter boost::default_dijkstra_visitor() however I do not know how to fix it: vector<standard::UnDirectedVertex> parent(num_vertices(graph_)); vector<std::size_t> distance(num_vertices(graph_)); boost::property_map<standard::Graph, mst_cost_t>::type weightmap = boost::get(mst_cost, graph_); boost::property_map<standard::Graph, boost::vertex_index_t>::type indexmap = get(boost::vertex_index, graph_); prim_minimum_spanning_tree(graph_,0, &parent[0], &distance[0],weightmap,indexmap,boost::default_dijkstra_visitor()); The error message is: 1>c:\program files\microsoft visual studio 8\vc\include\limits(109) : error C2440: '<function-style-cast>' : cannot convert from 'int' to 'W' 1> No constructor could take the source type, or constructor overload resolution was ambiguous 1> c:\program files\microsoft visual studio 8\vc\include\limits(107) : while compiling class template member function 'W std::numeric_limits<_Ty>::max(void) throw()' 1> with 1> [ 1> _Ty=W 1> ] 1> c:\boost\include\boost-1_33_1\boost\graph\prim_minimum_spanning_tree.hpp (61) : see reference to class template instantiation 'std::numeric_limits<_Ty>' being compiled 1> with 1> [ 1> _Ty=W 1> ] It would be nice if someone could help. Thanks. Line
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Line Blander Reinhardt