On Fri, Oct 30, 2009 at 11:02:52AM +0100, Alan Steel wrote: > Thanks. > Thats the declaration. I'm looking for the definition. http://trac.osgeo.org/gdal/browser/trunk/gdal/alg/polygonize.cpp Happy hacking! --strk; Free GIS & Flash consultant/developer () ASCII Ribbon Campaign http://foo.keybit.net/~strk/services.html /\ Keep it simple!