Il 25/05/2012 19:02, Pierre Racine ha scritto: > 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. > ok. again, thanks for clarifying. all the best. -- Paolo Cavallini See: http://www.faunalia.it/pc