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
....................
....................
...........@........
...@@@@@@@@@..@.....
..............@.....
...@@@@@@@@@..@.....
...@.......@..@.....
...@.......@..@.....
...........@........
....................