// 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) //[point_type //` Examine the point type of a multi_polygon #include <iostream> #include <typeinfo> #include <boost/geometry.hpp> #include <boost/geometry/geometries/polygon.hpp> #include <boost/geometry/geometries/point_xy.hpp> #include <boost/geometry/geometries/multi_polygon.hpp> int main() { typedef boost::geometry::model::d2::point_xy<double> point_type; typedef boost::geometry::model::polygon<point_type> polygon_type; typedef boost::geometry::model::multi_polygon<polygon_type> mp_type; typedef boost::geometry::point_type<mp_type>::type ptype; std::cout << "point type: " << typeid(ptype).name() << std::endl; return 0; } //] //[point_type_output /*` Output (in MSVC): [pre point type: class boost::geometry::model::d2::point_xy<double,struct boost::geometry::cs::cartesian> ] */ //]