Boost/BGL/EdgeProperties

CreateGraph.cpp

#include <iostream>                  // for std::cout
#include <boost/graph/graph_traits.hpp>
#include <boost/graph/adjacency_list.hpp>
 
// define the type of the edge weight property (we want the weights to be doubles)
typedef boost::property<boost::edge_weight_t, double> EdgeWeightProperty;
 
// Define the type of the graph
typedef boost::adjacency_list<boost::vecS, boost::vecS, boost::bidirectionalS, EdgeWeightProperty> Graph; //simple
 
int main(int,char*[])
{
  // Declare a graph object
  Graph g(2); //a graph with 2 vertices
 
  // Add an edge between node 0 and node 1 with weight 1.2
  EdgeWeightProperty e = 1.2;
  add_edge(0, 1, e, g);
 
  //get the 0th edge weight
  boost::property_map<Graph, boost::edge_weight_t>::type EdgeWeightMap = get(boost::edge_weight_t(), g);
 
  typedef boost::graph_traits<Graph>::edge_iterator edge_iter;
  std::pair<edge_iter, edge_iter> edgePair;
  for(edgePair = edges(g); edgePair.first != edgePair.second; ++edgePair.first)
  {
      std::cout << "(" << EdgeWeightMap[source(*edgePair.first, g)]
              << "," << EdgeWeightMap[target(*edgePair.first, g)] << ") weight: " << EdgeWeightMap[*edgePair.first];
  }
 
	return 0;
}

CMakeLists.txt

cmake_minimum_required(VERSION 2.6)
 
Project(Properties)
 
set(Boost_USE_MULTITHREADED ON) # which is the default
FIND_PACKAGE(Boost 1.38 COMPONENTS program_options required)
 
INCLUDE_DIRECTORIES(${INCLUDE_DIRECTORIES} ${Boost_INCLUDE_DIRS})
LINK_DIRECTORIES(${LINK_DIRECTORIES} ${Boost_LIBRARY_DIRS})
 
ADD_EXECUTABLE(Properties Properties.cpp)
target_link_libraries(Properties)