// 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) //[expand //` Shows the usage of expand #include <iostream> #include <list> #include <boost/geometry.hpp> #include <boost/geometry/geometries/box.hpp> #include <boost/geometry/geometries/point_xy.hpp> int main() { typedef boost::geometry::model::d2::point_xy<short int> point_type; typedef boost::geometry::model::box<point_type> box_type; using boost::geometry::expand; box_type box = boost::geometry::make_inverse<box_type>(); /*< expand is usually preceded by a call to assign_inverse or make_inverse >*/ expand(box, point_type(0, 0)); expand(box, point_type(1, 2)); expand(box, point_type(5, 4)); expand(box, boost::geometry::make<box_type>(3, 3, 5, 5)); std::cout << boost::geometry::dsv(box) << std::endl; return 0; } //] //[expand_output /*` Output: [pre ((0, 0), (5, 5)) ] */ //]