If it's only a problem of routing, wouldn't it be better to let the router do the job? The way would have to be tagged with something like "numbering=distance", with the correct orientation (from start to end), and then it would be easy for a program to find out where #23 is.
2009/10/11 John Smith <deltafoxtrot...@gmail.com> > 2009/10/11 SLXViper <slxvi...@gmx.net>: > > John Smith wrote: > >> I can't think of a good solution for this, a few years ago they > >> renumbered all properties along roads outside of residential areas to > >> be the distance in decametres (10s of metres, 100m would be #10 etc) > >> from the start of the road, they also have even on the right, odd on > >> the left, this makes it easier for emergency services to find places > >> because its based on distance. > >> > >> I doubt there would be an easy was to interpolate this information for > >> display, but it could be used to work out end points for routing, and > >> all we need to know is which end of a way is the start, the rest can > >> be worked out. > > > > The universal solution for such special cases would be tagging single > > addresses without interpolation. This would provide information > > - what house numbers do actually exist? In this special case nearly > > every value could be possible. > > - where exactly is this house number? Since numbers are based on > > distance this could also be calculated from the given number - but what > > if want to know the house number of a given position? > > The only disadvantage of this method would be a little bit more work "on > > the ground" - but nothing photo mapping couldn't solve ;) > > As I stated, this sort of tagging wouldn't be that useful for > displaying/rendering, but could be used for routing. > > If the routing engine is coded in a smart way, it could be used to > collect the house numbers asked for and use that information to add > street addressing. > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > http://lists.openstreetmap.org/listinfo/tagging >
_______________________________________________ Tagging mailing list Tagging@openstreetmap.org http://lists.openstreetmap.org/listinfo/tagging