Yeah. ST_Union is good for unioning overlapping rasters (e.g. computing the mean of a temperature series) but not for merging adjacent rasters. We will have to write something else for that.
Pierre > -----Original Message----- > From: postgis-users-boun...@postgis.refractions.net [mailto:postgis-users- > boun...@postgis.refractions.net] On Behalf Of Paolo Cavallini > Sent: Friday, May 25, 2012 12:53 PM > To: postgis-users@postgis.refractions.net > Subject: Re: [postgis-users] ST_Aspect artifacts? > > Il 25/05/2012 18:29, Pierre Racine ha scritto: > > Not yet... > I imagined, thanks. So I tried to merge the rasters with ST_Union, but I > had to stop after ~2h with pg@100% CPU (a small raster, 1300 tiles 64x64). > Urgh! > All the best. > > -- > Paolo Cavallini > See: http://www.faunalia.it/pc > > _______________________________________________ > postgis-users mailing list > postgis-users@postgis.refractions.net > http://postgis.refractions.net/mailman/listinfo/postgis-users _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users
