ceph/src/boost/libs/geometry/doc/src/examples/algorithms/assign_point_to_index.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 //[assign_point_to_index
  11 //` Shows how to assign the lower-left or upper-right point from a box
  12
  13 #include <iostream>
  14
  15 #include <boost/geometry.hpp>
  16 #include <boost/geometry/geometries/box.hpp>
  17 #include <boost/geometry/geometries/point_xy.hpp>
  18
  19 using namespace boost::geometry;
  20
  21 int main()
  22 {
  23     typedef model::d2::point_xy<int> point;
  24     typedef model::box<point> box;
  25
  26     point lower_left(0, 0), upper_right(2, 2);
  27
  28     box b;
  29     assign_point_to_index<0>(lower_left, b);
  30     assign_point_to_index<1>(upper_right, b);
  31     std::cout << "box: " << dsv(b) << std::endl;
  32
  33     return 0;
  34 }
  35
  36 //]
  37
  38
  39 //[assign_point_to_index_output
  40 /*`
  41 Output:
  42 [pre
  43 box: ((0, 0), (2, 2))
  44 ]
  45 */
  46 //]