1)首先,预备 #include <boost/geometry.hpp> namespace bg = boost::geometry; namespace bgi = boost::geometry::index; //这里定义点为2维的笛卡尔点。注意,用bg::cs::cartesian,不要bg::cs::spherical_equatorial<boost::geometry::degree>,才能保证数学上覆盖检测严密。 //如果使用后者,就上面参考文章所...
9.6 Predicates (boost::geometry::index) 下面的这些都是与前文同名函数相同的意思,只是是适用于RTree的函数 contains(Geometry const &) covered_by(Geometry const &) covers(Geometry const &) disjoint(Geometry const &) intersects(Geometry const &) overlaps(Geometry const &) within(Geometry const &) sa...
rtree.query(bgi::intersects(query_box), std::back_inserter(result_s)); // find 5 nearest values to a point std::vector<value> result_n; rtree.query(bgi::nearest(point(0, 0), 5), std::back_inserter(result_n)); // note: in Boost.Geometry the WKT representation of a box is pol...
Boost::Geometry 包含可实例化的几何类,但库用户也可以使用自己的几何类。使用注册宏或特征类,可以调整它们的几何形状来实现 Boost::Geometry 概念。 Boost...
为了将Boost.Geometry中的类型作为受支持的几何学之一使用，您必须将此类型调整为Boost.Geometry概念之一。
void query(const frBox &box, frLayerNum layerNum, std::vector<rq_box_value_t<drConnFig*> > &result); void init(); void cleanup() { shapes.clear(); shapes.shrink_to_fit(); } protected: FlexDRWorker* drWorker; std::vector<bgi::rtree<rq_rptr_value_t<drConnFig>, bgi::quadratic...
以下是一个简单的示例,展示了如何使用Boost.Geometry库中的正四叉树来进行近邻搜索: cpp #include <boost/geometry.hpp> #include <boost/geometry/index/rtree.hpp> #include <vector> namespace bg = boost::geometry; namespace bgi = boost::geometry::index; typedef bg::model::point<float, 2, bg::...
Boost.Geometry - Generic Geometry Library | Requires C++14 since Boost 1.75 - geometry/include/boost/geometry/index/rtree.hpp at f82eb32da79641697583a43be9988d7517d8553c · boostorg/geometry
-http://mysqlserverteam.com/making-use-of-boost-geometry-in-mysql-gis/ -http://mysqlserverteam.com/why-boost-geometry-in-mysql/ -http://mysqlserverteam.com/building-mysql-with-boost/ InnoDB R-Tree -https://mysqlserverteam.com/geographic-indexes-in-innodb/ ...
Geometry: Additional functionality New algorithm buffer for inflating/deflating geometries (buffer itself already existed but that was only to enlarge a box) New algorithm remove_spikes, algorithm to remove spikes from a ring, polygon or multi_polygon. New algorithm point_on_surface, generating...