Terrain generator for tracks
trackgen -c category -n name [-a] [-m] [-s] [-S] [-E <n> [-H <nb>]]
This manual describes the Ac3d compiler application that is shipped with the game TORCS.
track category (road, oval, dirt...)
draw bump track
Don't use terrain border (relief supplied int clockwise, ext CC)
draw all (default is track only)
split the track and the terrain
save elevation file n
nb of height steps for 4th elevation file 
This manual page was writen by Rudy Godoy <[email protected]>, for the Debian GNU/Linux system (but may be used by others).