number of columns in the layout, East to West
number of rows in the layout grid, North to South
number of pixel columns in each tile, East to West
number of pixel rows in each tile, North to South
number of columns in the layout, East to West
number of rows in the layout grid, North to South
number of pixel columns in each tile, East to West
number of pixel rows in each tile, North to South
Return the total number of columns across all the tiles.
Return the total number of rows across all the tiles.
number of columns in the layout, East to West
number of rows in the layout grid, North to South
number of pixel columns in each tile, East to West
number of pixel rows in each tile, North to South