I just stumbled apon http://livarot.sourceforge.net/
which looks as if it probably has some useful stuff for those building airport layout tools. Specifically it appears to have code for building polygon buffer objects ie given a polygon create another polygon either larger or smaller by some fixed amount. < non trivial problem > Cheers Norman _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
