| // Boost.Geometry Index |
| // |
| // Quickbook Examples |
| // |
| // Copyright (c) 2011-2014 Adam Wulkiewicz, Lodz, Poland. |
| // |
| // 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) |
| |
| //[rtree_mapped_file |
| |
| #include <iostream> |
| |
| #include <boost/interprocess/managed_mapped_file.hpp> |
| |
| #include <boost/geometry.hpp> |
| #include <boost/geometry/geometries/point.hpp> |
| #include <boost/geometry/index/rtree.hpp> |
| |
| namespace bi = boost::interprocess; |
| namespace bg = boost::geometry; |
| namespace bgm = bg::model; |
| namespace bgi = bg::index; |
| |
| int main() |
| { |
| typedef bgm::point<float, 2, bg::cs::cartesian> point_t; |
| |
| typedef point_t value_t; |
| typedef bgi::linear<32, 8> params_t; |
| typedef bgi::indexable<value_t> indexable_t; |
| typedef bgi::equal_to<value_t> equal_to_t; |
| typedef bi::allocator<value_t, bi::managed_mapped_file::segment_manager> allocator_t; |
| typedef bgi::rtree<value_t, params_t, indexable_t, equal_to_t, allocator_t> rtree_t; |
| |
| { |
| bi::managed_mapped_file file(bi::open_or_create, "data.bin", 1024*1024); |
| allocator_t alloc(file.get_segment_manager()); |
| rtree_t * rtree_ptr = file.find_or_construct<rtree_t>("rtree")(params_t(), indexable_t(), equal_to_t(), alloc); |
| |
| std::cout << rtree_ptr->size() << std::endl; |
| |
| rtree_ptr->insert(point_t(1.0, 1.0)); |
| rtree_ptr->insert(point_t(2.0, 2.0)); |
| |
| std::cout << rtree_ptr->size() << std::endl; |
| } |
| |
| { |
| bi::managed_mapped_file file(bi::open_or_create, "data.bin", 1024*1024); |
| allocator_t alloc(file.get_segment_manager()); |
| rtree_t * rtree_ptr = file.find_or_construct<rtree_t>("rtree")(params_t(), indexable_t(), equal_to_t(), alloc); |
| |
| std::cout << rtree_ptr->size() << std::endl; |
| |
| rtree_ptr->insert(point_t(3.0, 3.0)); |
| rtree_ptr->insert(point_t(4.0, 4.0)); |
| |
| std::cout << rtree_ptr->size() << std::endl; |
| } |
| |
| return 0; |
| } |
| |
| //] |