62 lines
1.9 KiB
C++
62 lines
1.9 KiB
C++
// Copyright 2006 Trustees of Indiana University
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// A simple example of using read_graphviz to load a GraphViz Dot textual
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// graph into a BGL adjacency_list graph
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// Author: Ronald Garcia
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#include <boost/graph/graphviz.hpp>
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#include <boost/graph/adjacency_list.hpp>
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#include <string>
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#include <sstream>
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using namespace boost;
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using namespace std;
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int main()
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{
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// Vertex properties
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typedef property< vertex_name_t, std::string,
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property< vertex_color_t, float > >
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vertex_p;
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// Edge properties
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typedef property< edge_weight_t, double > edge_p;
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// Graph properties
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typedef property< graph_name_t, std::string > graph_p;
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// adjacency_list-based type
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typedef adjacency_list< vecS, vecS, directedS, vertex_p, edge_p, graph_p >
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graph_t;
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// Construct an empty graph and prepare the dynamic_property_maps.
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graph_t graph(0);
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dynamic_properties dp;
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property_map< graph_t, vertex_name_t >::type name = get(vertex_name, graph);
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dp.property("node_id", name);
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property_map< graph_t, vertex_color_t >::type mass
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= get(vertex_color, graph);
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dp.property("mass", mass);
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property_map< graph_t, edge_weight_t >::type weight
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= get(edge_weight, graph);
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dp.property("weight", weight);
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// Use ref_property_map to turn a graph property into a property map
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boost::ref_property_map< graph_t*, std::string > gname(
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get_property(graph, graph_name));
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dp.property("name", gname);
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// Sample graph as an std::istream;
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std::istringstream gvgraph(
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"digraph { graph [name=\"graphname\"] a c e [mass = 6.66] }");
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bool status = read_graphviz(gvgraph, graph, dp, "node_id");
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return status ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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