Ticket #12861: test_tree.cpp

#include <iostream>
#include <fstream>

#include <vector>
#include <string>

#include <boost/geometry.hpp> 
#include <boost/geometry/geometries/point.hpp> 
#include <boost/geometry/geometries/box.hpp> 
#include <boost/geometry/index/rtree.hpp>

#include <boost/archive/binary_iarchive.hpp>
#include <boost/serialization/vector.hpp>

namespace bg = boost::geometry;
namespace bgi = boost::geometry::index;


using namespace std;

/*! Coordinate point definition */
typedef bg::model::point<float, 3, bg::cs::cartesian> boost_pnt;

/*! Bounding box definition */
typedef bg::model::box<boost_pnt> boost_box;

/*! Cell details which will be stored in R-Tree */
typedef std::pair<boost_box, int> rtree_elem;

/*! R-Tree for finding points in cells */
typedef bgi::rtree<rtree_elem, bgi::rstar<2> > boost_rtree;


int main()
{
     //--------- Read box elements ----------------------------------
    string fname = "../testfile.dat";
    ifstream vecfile_in(fname.c_str(), std::ios::in | std::ofstream::binary);
    vector<float> boxes;

    std::ifstream os_in(fname.c_str(), std::ios::in | std::ofstream::binary);
    boost::archive::binary_iarchive oi(os_in, boost::archive::no_header);
    {
        oi >> boxes;
    }
    os_in.close();

    std::vector<rtree_elem> bounding_boxes;

    cout << "nboxes available: " << boxes.size()/6 << endl;


    //-------- Create rtree elements --------------------------
    //for(int i = 0; i < 30684; ++i) // Works
    //for(int i = 200; i < 30685+200; ++i) // Does not work
    for(int i = 0; i < 30685; ++i) // Does not work
    {
        float *bb = &(boxes[i*6]);
        boost_pnt p1(bb[0], bb[1], bb[2]);
        boost_pnt p2(bb[3], bb[4], bb[5]);
        boost_box box(p1, p2);
        bounding_boxes.emplace_back(box, i);
    }

    cout << "nelems for rtree: " << bounding_boxes.size() << endl;

    //--------- Create rtree (where the error occurs) --------
    boost_rtree tree(bounding_boxes);

    // Using the following lines instead of the previous line works
    //boost_rtree tree;
    //tree.insert(bounding_boxes);

}