// 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 //` Declaration and use of the Boost.Geometry model::point, modelling the Point Concept #include <iostream> #include <boost/geometry.hpp> namespace bg = boost::geometry; int main() { bg::model::point<double, 2, bg::cs::cartesian> point1; bg::model::point<double, 3, bg::cs::cartesian> point2(1.0, 2.0, 3.0); /*< Construct, assigning three coordinates >*/ point1.set<0>(1.0); /*< Set a coordinate. [*Note]: prefer using `bg::set<0>(point1, 1.0);` >*/ point1.set<1>(2.0); double x = point1.get<0>(); /*< Get a coordinate. [*Note]: prefer using `x = bg::get<0>(point1);` >*/ double y = point1.get<1>(); std::cout << x << ", " << y << std::endl; return 0; } //] //[point_output /*` Output: [pre 1, 2 ] */ //]