ceph/src/boost/libs/geometry/doc/src/examples/core/get_point.cpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2 // QuickBook Example
   3
   4 // Copyright (c) 2011-2012 Barend Gehrels, Amsterdam, the Netherlands.
   5
   6 // Use, modification and distribution is subject to the Boost Software License,
   7 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   8 // http://www.boost.org/LICENSE_1_0.txt)
   9
  10 //[get_point
  11 //` Get the coordinate of a point
  12
  13 #include <iostream>
  14
  15 #include <boost/geometry.hpp>
  16 #include <boost/geometry/geometries/point_xy.hpp>
  17
  18 namespace bg = boost::geometry;
  19
  20 int main()
  21 {
  22     bg::model::d2::point_xy<double> point(1, 2);
  23
  24     double x = bg::get<0>(point);
  25     double y = bg::get<1>(point);
  26
  27     std::cout << "x=" << x << " y=" << y << std::endl;
  28
  29     return 0;
  30 }
  31
  32 //]
  33
  34
  35 //[get_point_output
  36 /*`
  37 Output:
  38 [pre
  39 x=1 y=2
  40 ]
  41 */
  42 //]