On Fri, Mar 31, 2006 at 10:03:07AM +0200, Mateusz Å?oskot wrote: > [EMAIL PROTECTED] wrote: > > On Thu, Mar 30, 2006 at 02:42:19PM -0800, Martin Davis wrote: > >> I'm not sure why strk is making this comment. JTS/GEOS supports > >> empty geometries of all types (as per the OGC SFS). > > > > I'm a bit PostGIS oriented. There's no support for EMPTY whatever in > > PostGIS except GEOMETRYCOLLECTION. As always I'd follow JTS, so if > > the plan is to support any kind of empty geom we should drop the > > ::createEmptyGeometry() and ensure no memory violation is triggered > > by EMPTY types *and* results are semantically correct. > > Hi, > > Another idea, possible and simple way to handle empty geometries would > be to add a boolean flag to the Geometry class - bool empty;
We don't really need it. All geometries have either a CoordinateSequence pointer or a std::vector<> pointer. NULL pointer would express Emptyness. --strk; _______________________________________________ geos-devel mailing list geos-devel@geos.refractions.net http://geos.refractions.net/mailman/listinfo/geos-devel
