also search this forum. there've been numerous threads about the .chan format, including it's direct format. i should think lscript can easily write such a .txt file that you could manually re-name to .chan.
tg2 works really well w/lw. the .lwo exporter works thusly: for a heightfield, it creates a grid of 12 or 16 objects, all ready and lined up to be dropped in layout. in fact, the .lws is created as well. from there, animate at will!