[OSM-dev] Limiting Polygon?

Hi, is there anyone aware of an algorithm that produces a limiting polygon around a heap of nodes - let's say around an osm file cut from a planet file? Best would be PERL... Thanks Gerhard gary68 ___ dev mailing list dev@openstreetmap.org

Re: [OSM-dev] Limiting Polygon?

On Mon, 6 Apr 2009 08:01:25 +0200 (MEST), Gary G: g...@gary68.de wrote: Hi, is there anyone aware of an algorithm that produces a limiting polygon around a heap of nodes - let's say around an osm file cut from a planet file? Do you mean the convex hull of these nodes? If guess with the name