On Thu, Feb 03, 2011 at 10:25:08AM +1030, james.sew...@lisasoft.com wrote: > (Crossposting to GEOS list) > > I see. So the difference between the GeometryNoder with a PrecisionModel and > using ST_Snaptogrid from PostGIS on the input geometries is that the > GeometryNoder snaps all nodes which are created by the noding process as it > works? > > This seems like an elegant solution to deal with the roundoff issues. > > I gather GEOS doesn't expose noding functionality in this way? Is this > something that could possibly be added? From PostGIS would a command like > ST_Node(geometry, 10E-10) make sense / be plausible? Or would a better > solution be to define the precision for each geometry column?
Check the new ST_Snap() function in PostGIS and GEOS svn repository. --strk; () Free GIS & Flash consultant/developer /\ http://strk.keybit.net/services.html _______________________________________________ geos-devel mailing list geos-devel@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/geos-devel