// Boost.Geometry (aka GGL, Generic Geometry Library) // QuickBook Example // Copyright (c) 2011-2012 Barend Gehrels, Amsterdam, the Netherlands. // 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) //[register_box_templated //` Show the use of the macro BOOST_GEOMETRY_REGISTER_BOX_TEMPLATED #include <iostream> #include <boost/geometry.hpp> #include <boost/geometry/geometries/point_xy.hpp> #include <boost/geometry/geometries/register/box.hpp> template <typename P> struct my_box { P ll, ur; }; // Register the box type BOOST_GEOMETRY_REGISTER_BOX_TEMPLATED(my_box, ll, ur) int main() { typedef my_box<boost::geometry::model::d2::point_xy<double> > box; box b = boost::geometry::make<box>(0, 0, 2, 2); std::cout << "Area: " << boost::geometry::area(b) << std::endl; return 0; } //] //[register_box_templated_output /*` Output: [pre Area: 4 ] */ //]