ceph/src/boost/libs/geometry/doc/src/examples/core/interior_type.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 //[interior_type
  11 //`Shows how to use the interior_type metafunction
  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/ring.hpp>
  19 #include <boost/geometry/geometries/adapted/boost_array.hpp>
  20
  21 BOOST_GEOMETRY_REGISTER_BOOST_ARRAY_CS(cs::cartesian)
  22
  23 int main()
  24 {
  25     // Define a polygon storing points in a deque and storing interior rings
  26     // in a list (note that std::list is not supported by most algorithms
  27     // because not supporting a random access iterator)
  28     typedef boost::geometry::model::polygon
  29         <
  30             boost::array<short, 3>,
  31             true, true,
  32             std::deque, std::list
  33         > polygon;
  34
  35     std::cout << typeid(boost::geometry::interior_type<polygon>::type).name() << std::endl;
  36
  37     return 0;
  38 }
  39
  40 //]
  41
  42 //[interior_type_output
  43 /*`
  44 Output (using MSVC) is a long story (part manually replaced with ellipsis):
  45 [pre
  46 class std::list<class boost::geometry::model::ring<class boost::array<short,3>,1,1,class std::deque,class std::allocator>,class std::allocator<...> > >
  47 ]
  48 */
  49 //]