// 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) //[make_with_range //` Using make to construct a linestring with two different range types #include <iostream> #include <boost/geometry.hpp> #include <boost/geometry/geometries/linestring.hpp> #include <boost/geometry/geometries/point_xy.hpp> #include <boost/geometry/geometries/adapted/c_array.hpp> BOOST_GEOMETRY_REGISTER_C_ARRAY_CS(cs::cartesian) /*< Necessary to register a C array like {1,2} as a point >*/ int main() { using boost::geometry::make; using boost::geometry::detail::make::make_points; typedef boost::geometry::model::d2::point_xy<double> point; typedef boost::geometry::model::linestring<point> linestring; double coordinates[][2] = {{1,2}, {3,4}, {5, 6}}; /*< Initialize with C array points >*/ linestring ls = make_points<linestring>(coordinates); std::cout << boost::geometry::dsv(ls) << std::endl; point points[3] = { make<point>(9,8), make<point>(7,6), make<point>(5,4) }; /*< Construct array with points, using make which should work for any point type >*/ std::cout << boost::geometry::dsv(make_points<linestring>(points)) << std::endl; /*< Construct linestring with point-array and output it as Delimiter Separated Values >*/ return 0; } //] //[make_with_range_output /*` Output: [pre ((1, 2), (3, 4), (5, 6)) ((9, 8), (7, 6), (5, 4)) ] */ //]