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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;

}