Re: [boost] Debug Assertion Failed while trying to use read_graphviz

Subject: Re: [boost] Debug Assertion Failed while trying to use read_graphviz
From: Jeremiah Willcock (jewillco_at_[hidden])
Date: 2009-07-11 08:32:11

On Fri, 10 Jul 2009, Anna Kazeykina wrote:

> Hello,
>
>
>
> I tried to compile and run in VS 2008 the following example illustrating how
> to use read_graphviz() function:
>
> #include <boost/graph/graphviz.hpp>
>
> #include <boost/graph/adjacency_list.hpp>
>
> #include <string>
>
> #include <sstream>
>
>
>
> using namespace boost;
>
> using namespace std;
>
>
>
> int main() {
>
> // Vertex properties
>
> typedef property < vertex_name_t, std::string,
>
> property < vertex_color_t, float > > vertex_p;
>
> // Edge properties
>
> typedef property < edge_weight_t, double > edge_p;
>
> // Graph properties
>
> typedef property < graph_name_t, std::string > graph_p;
>
> // adjacency_list-based type
>
> typedef adjacency_list < vecS, vecS, directedS,
>
> vertex_p, edge_p, graph_p > graph_t;
>
>
>
> // Construct an empty graph and prepare the dynamic_property_maps.
>
> graph_t graph(0);
>
> dynamic_properties dp;
>
>
>
> property_map<graph_t, vertex_name_t>::type name =
>
> get(vertex_name, graph);
>
> dp.property("node_id",name);
>
>
>
> property_map<graph_t, vertex_color_t>::type mass =
>
> get(vertex_color, graph);
>
> dp.property("mass",mass);
>
>
>
> property_map<graph_t, edge_weight_t>::type weight =
>
> get(edge_weight, graph);
>
> dp.property("weight",weight);
>
>
>
> // Use ref_property_map to turn a graph property into a property map
>
> boost::ref_property_map<graph_t*,std::string>
>
> gname(get_property(graph,graph_name));
>
> dp.property("name",gname);
>
>
>
> // Sample graph as an std::istream;
>
> std::istringstream
>
> gvgraph("digraph { graph [name=\"graphname\"] a c e [mass = 6.66] }");
>
>
>
> bool status = read_graphviz(gvgraph,graph,dp,"node_id");
>
>
>
> return 0;
>
> }
>
>
>
> When I run the program I get the Debug Assertion Failed message (when I
> delete the line with read_graphviz everything is OK). Could you please help
> me with this problem?

What is the assertion saying?  That might give you information about what 
to fix to make the code work.

-- Jeremiah Willcock