74 lines
2.2 KiB
C++
74 lines
2.2 KiB
C++
// (C) Copyright Andrew Sutton 2007
|
|
//
|
|
// Use, modification and distribution are subject to the
|
|
// Boost Software License, Version 1.0 (See accompanying file
|
|
// LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
//[influence_prestige_example
|
|
#include <iostream>
|
|
#include <iomanip>
|
|
|
|
#include <boost/graph/directed_graph.hpp>
|
|
#include <boost/graph/exterior_property.hpp>
|
|
#include <boost/graph/degree_centrality.hpp>
|
|
|
|
#include "helper.hpp"
|
|
|
|
using namespace std;
|
|
using namespace boost;
|
|
|
|
// The Actor type stores the name of each vertex in the graph.
|
|
struct Actor
|
|
{
|
|
string name;
|
|
};
|
|
|
|
// Declare the graph type and its vertex and edge types.
|
|
typedef directed_graph< Actor > Graph;
|
|
typedef graph_traits< Graph >::vertex_descriptor Vertex;
|
|
typedef graph_traits< Graph >::edge_descriptor Edge;
|
|
|
|
// The name map provides an abstract accessor for the names of
|
|
// each vertex. This is used during graph creation.
|
|
typedef property_map< Graph, string Actor::* >::type NameMap;
|
|
|
|
// Declare a container type for influence and prestige (both
|
|
// of which are degree centralities) and its corresponding
|
|
// property map.
|
|
typedef exterior_vertex_property< Graph, unsigned > CentralityProperty;
|
|
typedef CentralityProperty::container_type CentralityContainer;
|
|
typedef CentralityProperty::map_type CentralityMap;
|
|
|
|
int main(int argc, char* argv[])
|
|
{
|
|
// Create the graph and a property map that provides
|
|
// access to the actor names.
|
|
Graph g;
|
|
NameMap nm(get(&Actor::name, g));
|
|
|
|
// Read the graph from standard input.
|
|
read_graph(g, nm, cin);
|
|
|
|
// Compute the influence for the graph.
|
|
CentralityContainer influence(num_vertices(g));
|
|
CentralityMap im(influence, g);
|
|
all_influence_values(g, im);
|
|
|
|
// Compute the influence for the graph.
|
|
CentralityContainer prestige(num_vertices(g));
|
|
CentralityMap pm(prestige, g);
|
|
all_prestige_values(g, pm);
|
|
|
|
// Print the degree centrality of each vertex
|
|
graph_traits< Graph >::vertex_iterator i, end;
|
|
for (boost::tie(i, end) = vertices(g); i != end; ++i)
|
|
{
|
|
Vertex v = *i;
|
|
cout << setiosflags(ios::left) << setw(12) << g[v].name << "\t" << im[v]
|
|
<< "\t" << pm[v] << endl;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
//]
|