Pode ser simplesmente http://www.postgis.org/docs/ST_MakeEnvelope.html -- View this message in context: http://osgeo-org.1560.x6.nabble.com/Criar-geometrias-em-objectos-ja-existentes-tp5053943p5055038.html Sent from the OSGeo Portuguese Local Chapter mailing list archive at Nabble.com.