ceph/src/boost/libs/geometry/doc/src/examples/core/coordinate_system.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 //[coordinate_system
  11 //` Examine the coordinate system of a point
  12
  13 #include <iostream>
  14 #include <typeinfo>
  15
  16 #include <boost/geometry.hpp>
  17 #include <boost/geometry/geometries/polygon.hpp>
  18 #include <boost/geometry/geometries/point_xy.hpp>
  19
  20 int main()
  21 {
  22     typedef boost::geometry::model::d2::point_xy<double> point_type;
  23     typedef boost::geometry::model::polygon<point_type> polygon_type;
  24
  25     typedef boost::geometry::coordinate_system<polygon_type>::type system;
  26
  27     std::cout << "system: " << typeid(system).name() << std::endl;
  28
  29     return 0;
  30 }
  31
  32 //]
  33
  34
  35 //[coordinate_system_output
  36 /*`
  37 Output (using MSVC):
  38 [pre
  39 system: struct boost::geometry::cs::cartesian
  40 ]
  41 */
  42 //]