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secondo/Algebras/SpatialJoinTOUCH/Column/GridVectorCol.h
2026-01-23 17:03:45 +08:00

102 lines
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C++

/*
This file is part of SECONDO.
Copyright (C) 2019,
Faculty of Mathematics and Computer Science,
Database Systems for New Applications.
SECONDO is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
SECONDO is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef SECONDO_GRIDVECTORCOL_H
#define SECONDO_GRIDVECTORCOL_H
#include <vector>
#include <map>
#include <set>
#include <vector>
#include <utility>
#include <stack>
#include "tupleBlockStr.h"
#include "Algebras/Rectangle/RectangleAlgebra.h"
#include "nodeCol.h"
namespace mmrtreetouch {
class GridVectorCol {
private:
Rectangle<2> box;
double minX;
double maxX;
double minY;
double maxY;
double xCellDim;
double yCellDim;
double xLength;
double yLength;
int64_t numOfXCells;
int64_t numOfYCells;
std::vector <std::pair<tupleBlockStr, tupleBlockStr>> matchings;
std::vector <std::vector<std::vector < tupleBlockStr>> >
gridVectorCol;
int64_t calculateIndexX(double coord);
int64_t calculateIndexY(double coord);
bool tuplesIntersectInCell(
tupleBlockStr fTuple,
tupleBlockStr sTuple,
int64_t i,
int64_t j
);
public:
GridVectorCol(
nodeCol* node,
double _xCellDim,
double _yCellDim
);
~GridVectorCol();
//
void addTuple(tupleBlockStr bt);
std::pair <std::pair<int64_t, int64_t>, std::pair<int64_t, int64_t>>
getGridCoordinatesOf(
tupleBlockStr t
);
std::vector <std::pair<tupleBlockStr, tupleBlockStr>> getMatchings();
void setMatchings(
std::vector <std::pair<tupleBlockStr, tupleBlockStr>> matchings
);
void getTuplesOverlappingWith(
tupleBlockStr fTuple
);
};
}
#endif //SECONDO_GRIDVECTORCOL_H