type tile|octile|octile_unicost|hex height <height> width <width> map <obstacle map using one line per row and one character per column.> <The character '@' means obstacle, '.' means no obstacle.>
Example:
type tile height 10 width 20 map .................... .................... ...........@........ ...@@@@@@@@@..@..... ..............@..... ...@@@@@@@@@..@..... ...@.......@..@..... ...@.......@..@..... ...........@........ ....................