Ezequias Rodrigues da Rocha wrote: > Hi list, > > Could someone tell me how to get an angle of a linestring feature ? > > Regards... > The azimuth(geometry, geometry) function might be what you are looking for. Input geometries are points, so you might use Azimuth(StartPoint(geometry), EndPoint(geometry)) if geometry is a Linestring. http://postgis.refractions.net/docs/ch06.html#id2528534 -- Arnaud