On Fri, May 25, 2012 at 01:52:45PM +1000, Luca Morandini wrote: > after seeing some polygons disappear during the generalization > process, I found out that ST_Union and ST_Collect are different > beasts when dealing with intersecting lines.
Yes, ST_Collect simply puts things togheter. ST_Union computes the point set union. Isn't the manual page clear about that ? > P.S. > Sandro, I did not forget to help speeding up the topology > construction routines, it is just that next week we have a deadline, > hence I gave a lower priority to the task of setting up a machine > with the configuration you requested... stay tuned. I am ! --strk; ,------o-. | __/ | Delivering high quality PostGIS 2.0 ! | / 2.0 | http://strk.keybit.net - http://vizzuality.com `-o------' _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users
