/usr/include/boost/geometry/strategies/cartesian
NameSizeModeActions
area.hpp39580644editdlrm
area_surveyor.hpp12210644editdlrm
azimuth.hpp12120644editdlrm
box_in_box.hpp106140644editdlrm
buffer_end_flat.hpp37570644editdlrm
buffer_end_round.hpp60840644editdlrm
buffer_join_miter.hpp45400644editdlrm
buffer_join_round.hpp62060644editdlrm
buffer_join_round_by_divide.hpp46590644editdlrm
buffer_point_circle.hpp40160644editdlrm
buffer_point_square.hpp36540644editdlrm
buffer_side_straight.hpp45870644editdlrm
centroid_average.hpp28800644editdlrm
centroid_bashein_detmer.hpp85410644editdlrm
centroid_weighted_length.hpp48550644editdlrm
densify.hpp39020644editdlrm
disjoint_box_box.hpp29850644editdlrm
disjoint_segment_box.hpp89650644editdlrm
distance_projected_point.hpp96350644editdlrm
distance_projected_point_ax.hpp98350644editdlrm
distance_pythagoras.hpp76740644editdlrm
distance_pythagoras_box_box.hpp89930644editdlrm
distance_pythagoras_point_box.hpp92300644editdlrm
distance_segment_box.hpp68930644editdlrm
envelope.hpp42990644editdlrm
envelope_box.hpp34790644editdlrm
envelope_multipoint.hpp14420644editdlrm
envelope_point.hpp29630644editdlrm
envelope_segment.hpp24580644editdlrm
expand_box.hpp18680644editdlrm
expand_point.hpp33400644editdlrm
expand_segment.hpp19000644editdlrm
index.hpp69760644editdlrm
intersection.hpp308550644editdlrm
io.hpp18730644editdlrm
line_interpolate.hpp37720644editdlrm
point_in_box.hpp87610644editdlrm
point_in_point.hpp35430644editdlrm
point_in_poly_crossings_multiply.hpp35930644editdlrm
point_in_poly_franklin.hpp34640644editdlrm
point_in_poly_winding.hpp98890644editdlrm
point_order.hpp10240644editdlrm
side_by_triangle.hpp96690644editdlrm
turn_in_ring_winding.hpp74630644editdlrm
Edit: /usr/include/boost/geometry/strategies/cartesian/centroid_average.hpp (2880B)
// Boost.Geometry (aka GGL, Generic Geometry Library) // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. // Copyright (c) 2008-2012 Bruno Lalande, Paris, France. // Copyright (c) 2009-2012 Mateusz Loskot, London, UK. // Copyright (c) 2017 Adam Wulkiewicz, Lodz, Poland. // This file was modified by Oracle on 2015. // Modifications copyright (c) 2015 Oracle and/or its affiliates. // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. // Use, modification and distribution is subject to the Boost Software License, // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) #ifndef BOOST_GEOMETRY_STRATEGIES_CARTESIAN_CENTROID_AVERAGE_HPP #define BOOST_GEOMETRY_STRATEGIES_CARTESIAN_CENTROID_AVERAGE_HPP #include #include #include #include #include #include #include namespace boost { namespace geometry { namespace strategy { namespace centroid { /*! \brief Centroid calculation taking average of points \ingroup strategies */ template < typename PointCentroid, typename Point = PointCentroid > class average { private : /*! subclass to keep state */ class sum { friend class average; signed_size_type count; PointCentroid centroid; public : inline sum() : count(0) { assign_zero(centroid); } }; public : typedef sum state_type; typedef PointCentroid centroid_point_type; typedef Point point_type; static inline void apply(Point const& p, sum& state) { add_point(state.centroid, p); state.count++; } static inline bool result(sum const& state, PointCentroid& centroid) { centroid = state.centroid; if ( state.count > 0 ) { divide_value(centroid, state.count); return true; } return false; } }; #ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS namespace services { template struct default_strategy < cartesian_tag, pointlike_tag, DimensionCount, Point, Geometry > { typedef average < Point, typename point_type::type > type; }; } // namespace services #endif }} // namespace strategy::centroid }} // namespace boost::geometry #endif // BOOST_GEOMETRY_STRATEGIES_CARTESIAN_CENTROID_AVERAGE_HPP