ljp341621的博客

iterator_traitsiterator_traits包含的内容:iterator_categoryvalue_typedifference_typepointerreferencetemplate <class, class = void>struct _Iterator_traits_base {}; // empty for non-iteratorstemplate <class _Iter>struct _Iterator_traits_ba

RTree

namespace bg=boost::geometry;typedef bg::model::point_xy<double> Point2d;typedef bg::model::multi_point<Point2d> Point2dArray;typedef bg::model::box<Point2d> Box2d;typedef bg::model::segment<Point2d> Segment2d;typedef bg::model

点(Point)单个点(Point)点是几何要素中最基本的要素。Boost.Geometry中点的设计考虑到三个概念: 坐标数据类型、坐标维度和坐标系//点template< typename CoordinateType, //存储坐标值的数据类型 std::size_t DimensionCount,//坐标维度 typename CoordinateSystem //坐标系统>class point{};//二维点template< typename