ceph/src/boost/libs/geometry/doc/src/examples/core/set_box.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 //[set_box
  11 //` Set the coordinate of a box
  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::box<bg::model::d2::point_xy<double> > box;
  23
  24     bg::set<bg::min_corner, 0>(box, 0);
  25     bg::set<bg::min_corner, 1>(box, 2);
  26     bg::set<bg::max_corner, 0>(box, 4);
  27     bg::set<bg::max_corner, 1>(box, 5);
  28
  29     std::cout << "Extent: " << bg::dsv(box) << std::endl;
  30
  31     return 0;
  32 }
  33
  34 //]
  35
  36
  37 //[set_box_output
  38 /*`
  39 Output:
  40 [pre
  41 Extent: ((0, 2), (4, 5))
  42 ]
  43 */
  44 //]