Martin Davis wrote:
As a further note, the reason for having this as a separate predicate rather than simply using distance() is that in theory isWithinDistance can be optimized more easily and aggresively than distance().
In practice as well, Mark Leslie will be committing an ST_DWithin to PostGIS shortly that transparently does the Right Thing to index the call.
-- Paul Ramsey Refractions Research http://www.refractions.net [EMAIL PROTECTED] Phone: 250-383-3022 Cell: 250-885-0632 _______________________________________________ geos-devel mailing list geos-devel@geos.refractions.net http://geos.refractions.net/mailman/listinfo/geos-devel
