1 // Boost.Geometry (aka GGL, Generic Geometry Library)
3 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
4 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
5 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
7 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
8 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
10 // Use, modification and distribution is subject to the Boost Software License,
11 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
12 // http://www.boost.org/LICENSE_1_0.txt)
14 #ifndef BOOST_GEOMETRY_UTIL_ORDER_AS_DIRECTION_HPP
15 #define BOOST_GEOMETRY_UTIL_ORDER_AS_DIRECTION_HPP
17 #include <boost/geometry/core/point_order.hpp>
18 #include <boost/geometry/views/reversible_view.hpp>
20 namespace boost { namespace geometry
24 template<order_selector Order>
25 struct order_as_direction
30 struct order_as_direction<clockwise>
32 static const iterate_direction value = iterate_forward;
37 struct order_as_direction<counterclockwise>
39 static const iterate_direction value = iterate_reverse;
43 }} // namespace boost::geometry
46 #endif // BOOST_GEOMETRY_UTIL_ORDER_AS_DIRECTION_HPP