At 17:31 27.01.2004, you wrote: >hi Dirk > >I think I have an idea if your geometries are >geometrycollection or multypolygon about extraction > >Can you give use one of the geometries you have? Hello David, here it is: MULTIPOLYGON(((3425188 5887264,3425266 5887386,3425277 5887128,3425288 5886895,3425228 5886998,3425164 5887109,3425130 5887174,3425188 5887264)))