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#ifndef GRIDITERATOR_H

#define GRIDITERATOR_H

#include "grid.h"

/** GridIterator is a iterator used to navigate over grids with different size.

  Usage:

      GridIterator<float> gi(HeightGrid); // create the iterator and link to a grid of type float

      gi.setRect(QRect(10., 10., 1120., 120.));

      while (float *p=gi.next()) {

        // do something with *p

      }

      // usage (2)

      gi.targetSize(targetGrid.size());

      gi.setTargetIndex(targetGrid.indexOf(coord));

      while (float *p=gi.next())

         *p++;

      // usage(3)

      gi.neighboursOf(index); // 8-neighbourhood

      gi.neighboursOf(index, 2); // 2 rings, ..24 neighbours

      while (float *p=gi.next())

        *p=0.;

  */

template <class T>

class GridIterator {

public:

    GridIterator();

    GridIterator(const Grid<T> &targetGrid);

private:

}

#endif // GRIDITERATOR_H