mmmh... I see Thanks a lot for your advice Nicolas, I will follow your clue and investigate about how to do this
pvaldes > st_area works with data units, degrees in your case. > So you are computing square degrees, which has no geographic meaning. > You should project your data to a metric system and then perform area > computation on the projected data. > North of Spain corresponds to UTM 30N (SRID 32630). > > Nicolas _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users
