Grid2DQuery.h

/*
 *   Repast for High Performance Computing (Repast HPC)
 *
 *   Copyright (c) 2010 Argonne National Laboratory
 *   All rights reserved.
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 *     Redistributions in binary form must reproduce the above copyright notice,
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 *
 *  Grid2DQuery.h
 *
 *  Created on: Aug 12, 2010
 *      Author: nick
 */
 
#ifndef GRID2DQUERY_H_
#define GRID2DQUERY_H_
 
#include "RepastErrors.h"
 
namespace repast {
 
template<typename T>
class Grid2DQuery {
 
protected:
        const Grid<T, int>* _grid;
        int minMax[2][2];
 
public:
 
        Grid2DQuery(const Grid<T, int>* grid);
        virtual ~Grid2DQuery() {}
 
        virtual void query(const Point<int>& center, int range, bool includeCenter, std::vector<T*>& out) const = 0;
};
 
template<typename T>
Grid2DQuery<T>::Grid2DQuery(const Grid<T, int>* grid) :
        _grid(grid) {
        if (grid->bounds().dimensionCount() != 2)
      throw Repast_Error_10(grid->bounds().dimensionCount()); // Grid2DQuery only accepts 2D grids
 
        GridDimensions bounds = grid->bounds();
 
        for (size_t i = 0; i < 2; i++) {
                int origin = bounds.origin(i);
                minMax[i][0] = origin;
                // max is EXCLUSIVE
                minMax[i][1] = (bounds.extents(i) + bounds.origin(i));
        }
}
 
}
 
#endif /* GRID2DQUERY_H_ */