On Fri, 14 Oct 2011, John F. Eldredge wrote: > Pieren <pier...@gmail.com> wrote: > > > As an old mapper, you should also avoid the key "location" since the > > location is stored in the nodes lat/lon coordinates... > > In the case of underground structures such as subway stations > (Underground stations in UK parlance), where the surface-level entrances > may be offset from the station proper and connected to it by tunnels, it > may be difficult to establish the exact longitude/latitude of the > station, as opposed to the longitude/latitude of its entrances. GPS > units don't work while underground.
A fully-qualified mapper is then of course looking for other sources of information that could provide an accurate longitude/latitude relative to something on the ground. E.g., floor and roof tile counting, locating ventilation shafts, emergency exit staircases, etc. can be helpful :-). -- i. _______________________________________________ Tagging mailing list Tagging@openstreetmap.org http://lists.openstreetmap.org/listinfo/tagging