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- //=======================================================================
- // Copyright 2012 David Doria
- // Authors: David Doria
- //
- // Distributed under the Boost Software License, Version 1.0. (See
- // accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- //=======================================================================
- #include <iostream>
- #include <boost/array.hpp>
- #include <boost/graph/grid_graph.hpp>
- int main(int argc, char* argv[])
- {
- // A 2D grid graph
- typedef boost::grid_graph<2> GraphType;
- // Create a 5x5 graph
- const unsigned int dimension = 5;
- boost::array<std::size_t, 2> lengths = { { dimension, dimension } };
- GraphType graph(lengths);
- // Get the index map of the grid graph
- typedef boost::property_map<GraphType, boost::vertex_index_t>::const_type indexMapType;
- indexMapType indexMap(get(boost::vertex_index, graph));
- // Create a float for every node in the graph
- boost::vector_property_map<float, indexMapType> dataMap(num_vertices(graph), indexMap);
- // Associate the value 2.0 with the node at position (0,1) in the grid
- boost::graph_traits<GraphType>::vertex_descriptor v = { { 0, 1 } };
- put(dataMap, v, 2.0f);
- // Get the data at the node at position (0,1) in the grid
- float retrieved = get(dataMap, v);
- std::cout << "Retrieved value: " << retrieved << std::endl;
- return 0;
- }
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