Martin Spott writes: > "Norman Vine" <[EMAIL PROTECTED]> wrote: > > > This can be turned into a Polygon Algebra abstraction, > > Every piece of manually > refined land cover or terrain elevation could be tagged with a > surrounding polygon.
Sure sounds like "polygon algebra" to me :-) see http://www.vividsolutions.com/jts/discussion.htm specifically Union, Intersection and Differance Cheers Norman _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
