// 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) //[boost_range_sliced //` Shows how to use a Boost.Geometry linestring, sliced by Boost.Range adaptor #include <iostream> #include <boost/assign.hpp> #include <boost/geometry.hpp> #include <boost/geometry/geometries/linestring.hpp> #include <boost/geometry/geometries/point_xy.hpp> #include <boost/geometry/geometries/adapted/boost_range/sliced.hpp> int main() { using namespace boost::assign; typedef boost::geometry::model::d2::point_xy<int> xy; boost::geometry::model::linestring<xy> line; line += xy(0, 0); line += xy(1, 1); line += xy(2, 2); line += xy(3, 3); line += xy(4, 4); std::cout << boost::geometry::dsv(line | boost::adaptors::sliced(1, 3)) << std::endl; return 0; } //] //[boost_range_sliced_output /*` Output: [pre ((1, 1), (2, 2)) ] */ //]