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