public static RectNode[,] GridLatticeToRectNode2D(GridLattice <IRectGrid> input)
 {
     throw new NotImplementedException();
 }
        //TODO: make use of for non-lattice case, I guess?
        //IRectGrid[,] gridPathData = null;

        public RectifyAStarPathfinder(GridLattice <IRectGrid> pathData)
        {
            latticePathData = pathData;
        }