On Thursday 24 June 2010 03:48:20 Nathan Edgars II wrote: > On Wed, Jun 23, 2010 at 9:16 PM, Cartinus <[email protected]> wrote: > > On Thursday 24 June 2010 00:18:16 Nathan Edgars II wrote: > >> On Wed, Jun 23, 2010 at 7:33 AM, Cartinus <[email protected]> wrote: > >> > On Wednesday 23 June 2010 11:24:19 Nathan Edgars II wrote: > >> >> http://www.openstreetmap.org/?lat=39.946466&lon=-75.124744&zoom=18&la > >> >>yer s=B 000FTF Cooper Street and Delaware Avenue are four-lane roads, > >> >> with light rail/tram tracks in the outer lanes. Obviously one could > >> >> simply apply railway=* to the highway, but that would not show the > >> >> individual tracks. So I drew the tracks in their individual > >> >> positions, but at high zooms it renders with the tracks completely > >> >> outside the roadway. It would not be correct to draw two roadways, > >> >> one in each direction (like on 4th Street to the east), since, unlike > >> >> 4th Street, these are single carriageways. > >> > > >> > I would use: > >> > railway=* > >> > tracks=2 > >> > >> Except that then you don't have the individual positions of the tracks. > > > > You have to choose between simple modelling (like a multi-lane road is a > > single line) or high accuracy mapping (map each track exactly where it > > is) else you get a mess with high zoom rendering. This is the problem you > > yourself saw in your first post in this thread. So the "solution" is > > simple: pick one option. I told you which one I would pick. Simple not? > > That doesn't make sense. A multilane road is a continuous paved area, > while rail tracks are separate, like a dual carriageway road. You can > move continuously between lanes of a road (including to the other side > if you U-turn), but trains can only switch tracks at crossovers. > > And yet there are traffic rules, so mapping the street as an area is > probably not the correct solution.
Yes, it does make sense: I told you you had to make a choice between a simple model or a complex one. Obviously you don't like the simple one. So now you have to design a complex one for the multi-lane road and convince other people to map in the same way. Good luck. -- m.v.g., Cartinus _______________________________________________ Tagging mailing list [email protected] http://lists.openstreetmap.org/listinfo/tagging
