On Tue, Oct 12, 2010 at 12:12:44PM +0200, Matthias Julius wrote: > On Tue, 12 Oct 2010 10:48:29 +0200, Jochen Topf <joc...@remote.org> wrote: > > On Tue, Oct 12, 2010 at 04:36:34AM -0400, Peter Budny wrote: > >> They /are/ required, because roads may be discontiguous in various > ways: > >> a road may change names (e.g. Main Street North becomes Main Street > >> South, but to a driver or pedestrian, both are just one continuous Main > >> Street), or even be physically discontiguous (some state and even US > >> Highways do this). > > > > So? > > > > Is any application actually using this? And what for? > > > > I am not beeing facetious, what are these routes actually useful for > that > > the tags on the roads don't already do? > > It avoids duplication of data. You can either have the same tag on 200 > road segments or on one relation.
That might in theory be an argument, but in practice its more duplication, because all applications I know of don't use those relations but the tags on the ways. Jochen -- Jochen Topf joc...@remote.org http://www.remote.org/jochen/ +49-721-388298 _______________________________________________ dev mailing list dev@openstreetmap.org http://lists.openstreetmap.org/listinfo/dev
