geometry/strategies/centroid.hpp

0001 // Boost.Geometry (aka GGL, Generic Geometry Library)
0002
0003 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
0004 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
0005 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
0006
0007 // This file was modified by Oracle on 2020.
0008 // Modifications copyright (c) 2020, Oracle and/or its affiliates.
0009 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
0010
0011 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
0012 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
0013
0014 // Use, modification and distribution is subject to the Boost Software License,
0015 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
0016 // http://www.boost.org/LICENSE_1_0.txt)
0017
0018 #ifndef BOOST_GEOMETRY_STRATEGIES_CENTROID_HPP
0019 #define BOOST_GEOMETRY_STRATEGIES_CENTROID_HPP
0020
0021
0022 #include <cstddef>
0023
0024 #include <boost/geometry/core/tags.hpp>
0025 #include <boost/geometry/strategies/tags.hpp>
0026
0027
0028 namespace boost { namespace geometry
0029 {
0030
0031
0032 namespace strategy { namespace centroid
0033 {
0034
0035 struct not_applicable_strategy
0036 {
0037 };
0038
0039
0040 namespace services
0041 {
0042
0043 /*!
0044     \brief Traits class binding a centroid calculation strategy to a coordinate system
0045     \ingroup centroid
0046     \tparam CsTag tag of coordinate system, for specialization
0047     \tparam GeometryTag tag of geometry, for specialization
0048     \tparam Dimension dimension of geometry, for specialization
0049     \tparam Point point-type
0050     \tparam Geometry
0051 */
0052 template
0053 <
0054     typename CsTag,
0055     typename GeometryTag,
0056     std::size_t Dimension,
0057     typename Point,
0058     typename Geometry
0059 >
0060 struct default_strategy
0061 {
0062     typedef not_applicable_strategy type;
0063 };
0064
0065
0066 } // namespace services
0067
0068
0069 }} // namespace strategy::centroid
0070
0071
0072 }} // namespace boost::geometry
0073
0074 #endif // BOOST_GEOMETRY_STRATEGIES_CENTROID_HPP