sclass RecognitionGrid {
  double cellW, cellH;
  int rows, cols;
  Cell[] cells;
  
  *() {}
  *(double *cellW, double *cellH, int w, int h) {
    rows = iceil(w/cellW);
    cols = iceil(h/cellH);
    cells = new Cell[rows*cols];
  }
  
  sclass Cell {
    int outerColor, middleColor, centerColor; // RGB
  }
}