Thanks strk, As far as I know convex hull basically applies to a collection of points..., nevertheless, I will try with my set of lines.
On Mon, May 3, 2010 at 9:56 AM, strk <[email protected]> wrote: > On Mon, May 03, 2010 at 09:32:54AM -0300, Oscar Zamudio wrote: > > I need to clarify: my table is a table of streets. So ... I don't know > how > > to proceed. > > You may be looking for ST_ConvexHull. Something like: > > SELECT ST_ConvexHull(ST_Collect(the_geom)) from mytable; > > --strk; > > () Free GIS & Flash consultant/developer > /\ http://strk.keybit.net/services.html > _______________________________________________ > postgis-users mailing list > [email protected] > http://postgis.refractions.net/mailman/listinfo/postgis-users >
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