50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
//=======================================================================
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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 Boost.Grpah.
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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
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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
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(g, make_iterator_property_map(component.begin(),
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get(vertex_index, g), component[0]));
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property_map < GraphvizGraph, vertex_attribute_t >::type
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vertex_attr_map = get(vertex_attribute, g);
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std::string color[] = {
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"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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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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