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