On Jun 22, 2010, at 10:09 AM, Stephen Crawford wrote: > All, > > I'm trying to get the polygon outline of a collection of points. I used > ConvexHull, and what I got was--hence the name--convex. Is there a way to > get a more exact outline? In my image below, the points are in purple and > the convex hull is in red. I want to get a poly that more closely matches > the points. > > Thanks, > Steve > > <moz-screenshot.png>
You want a concave hull http://ubicomp.algoritmi.uminho.pt/local/concavehull.html Howard _______________________________________________ postgis-users mailing list [email protected] http://postgis.refractions.net/mailman/listinfo/postgis-users
