48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
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//=======================================================================
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// Copyright 2001 Jeremy G. Siek, Andrew Lumsdaine, Lie-Quan Lee,
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// 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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//=======================================================================
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/*
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IMPORTANT!!!
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~~~~~~~~~~~~
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This example uses interfaces that have been deprecated and removed from
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Boost.Grpah. Someone needs to update it, as it does NOT compile.
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*/
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#include <boost/config.hpp>
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#include <fstream>
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#include <vector>
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#include <string>
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#include <boost/graph/connected_components.hpp>
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#include <boost/graph/graphviz.hpp>
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int main()
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{
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using namespace boost;
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GraphvizGraph g;
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read_graphviz("figs/cc-internet.dot", g);
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std::vector< int > component(num_vertices(g));
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connected_components(g,
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make_iterator_property_map(
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component.begin(), get(vertex_index, g), component[0]));
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property_map< GraphvizGraph, vertex_attribute_t >::type vertex_attr_map
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= get(vertex_attribute, g);
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std::string color[] = { "white", "gray", "black", "lightgray" };
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graph_traits< GraphvizGraph >::vertex_iterator vi, vi_end;
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for (boost::tie(vi, vi_end) = vertices(g); vi != vi_end; ++vi)
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{
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vertex_attr_map[*vi]["color"] = color[component[*vi]];
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vertex_attr_map[*vi]["style"] = "filled";
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if (vertex_attr_map[*vi]["color"] == "black")
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vertex_attr_map[*vi]["fontcolor"] = "white";
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}
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write_graphviz("figs/cc-internet-out.dot", g);
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}
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