SIRtree.h

/**********************************************************************
 *
 * GEOS - Geometry Engine Open Source
 * http://geos.osgeo.org
 *
 * Copyright (C) 2006 Refractions Research Inc.
 *
 * This is free software; you can redistribute and/or modify it under
 * the terms of the GNU Lesser General Public Licence as published
 * by the Free Software Foundation. 
 * See the COPYING file for more information.
 *
 **********************************************************************/
 
#ifndef GEOS_INDEX_STRTREE_SIRTREE_H
#define GEOS_INDEX_STRTREE_SIRTREE_H
 
#include <geos/export.h>
 
#include <geos/index/strtree/AbstractSTRtree.h> // for inheritance
#include <geos/index/strtree/Interval.h> // for inline
 
#include <vector>
#include <memory>
 
namespace geos {
namespace index { // geos::index
namespace strtree { // geos::index::strtree

class GEOS_DLL SIRtree: public AbstractSTRtree {
using AbstractSTRtree::insert;
using AbstractSTRtree::query;
 
public:

        SIRtree();

        SIRtree(std::size_t nodeCapacity);
 
        virtual ~SIRtree();
 
        void insert(double x1, double x2, void* item);

        std::vector<void*>* query(double x1, double x2)
        {
                std::vector<void*>* results = new std::vector<void*>();
                Interval interval(std::min(x1, x2), std::max(x1, x2));
                AbstractSTRtree::query(&interval, *results);
                return results;
        }

        std::vector<void*>* query(double x) { return query(x,x); }
 
 
protected:
 
        class SIRIntersectsOp:public AbstractSTRtree::IntersectsOp {
        public:
                bool intersects(const void* aBounds, const void* bBounds);
        };

        std::auto_ptr<BoundableList> createParentBoundables(
                        BoundableList* childBoundables, int newLevel);
 
        AbstractNode* createNode(int level);
 
        IntersectsOp* getIntersectsOp() {return intersectsOp;}
 
        std::auto_ptr<BoundableList> sortBoundables(const BoundableList* input);
 
private:
 
        IntersectsOp* intersectsOp;
};
        
 
} // namespace geos::index::strtree
} // namespace geos::index
} // namespace geos
 
#endif // GEOS_INDEX_STRTREE_SIRTREE_H