> I got a raster table with 30 rasters, each raster represents one day including > bands with temperature-values. > > Is there a possibility to get the mean of all the values of band1 from all > rasters > with an aggregate-function like: > > SELECT MEAN_BAND(band1, rast) AS new_band FROM table; > > I tried to find something like that but I could just find MapAlgebra-functions > using up to 2 rasters as input.
Put all your raster (not tiled) in the same table and do: SELECT ST_Union(rast, 'MEAN') FROM yourrasttable This might be slow if your rasters are big. Pierre _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users