On Nov 26, 2010, at 3:25 PM, Ed Avis wrote: > SteveC <steve <at> asklater.com> writes: > >> Speaking personally about what large orgs and what they want, I think it's >> pretty simple. Have a look at commercial data and OSM and do a diff, what are >> the main things missing? Addressing for geocoding and turn restrictions for >> routing. > > For addressing, I guess it is usually sufficient to have a street name - the > exact addr:housenumber stuff is not needed I assume?
Imagine a country where many streets are miles and miles long. Then yes, it matters as you could be 10 miles out :-) The country would be the US or Canada. > Turn restrictions are also hard to survey manually. A mapper on foot or > bicycle > might not pay much attention to them, and again, it is hard to know when you > have > all of them. They might possibly be suggested from analysis of GPS traces, > provided we have a large number of traces for an area and they are clearly > tagged to show which ones are for travelling by car. This is one reason why a > standard tagging scheme for GPS traces is needed. You can expose it with things like routing. Steve stevecoast.com _______________________________________________ talk mailing list [email protected] http://lists.openstreetmap.org/listinfo/talk

