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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2011-2012 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2011-2012 Akira Takahashi
// Use, modification and distribution is subject to 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)
//
// Custom point / Boost.Fusion Example
#include <iostream>
#include <boost/fusion/include/adapt_struct_named.hpp>
#include <boost/geometry/algorithms/distance.hpp>
#include <boost/geometry/geometries/adapted/boost_fusion.hpp>
#include <boost/geometry/strategies/strategies.hpp>
#include <boost/geometry/io/dsv/write.hpp>
BOOST_GEOMETRY_REGISTER_BOOST_FUSION_CS(cs::cartesian);
// Sample point, having x/y
struct my_2d
{
float x,y;
};
BOOST_FUSION_ADAPT_STRUCT(my_2d,
(float, x)
(float, y))
int main()
{
my_2d p1 = {1, 5};
my_2d p2 = {3, 4};
std::cout << "Coordinate using direct access: "
<< p1.x
<< std::endl;
std::cout << "Coordinate using Boost.Fusion: "
<< boost::fusion::at_c<0>(p1)
<< std::endl;
std::cout << "Coordinate using Boost.Geometry: "
<< boost::geometry::get<0>(p1)
<< std::endl;
std::cout << "Two points are: "
<< boost::geometry::dsv(p1) << " "
<< boost::geometry::dsv(p2) << std::endl;
std::cout << "Distance: "
<< boost::geometry::distance(p1, p2)
<< std::endl;
return 0;
}
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