On Tue, Dec 8, 2009 at 11:21 AM, Steve Bennett <stevag...@gmail.com> wrote: > On Tue, Dec 8, 2009 at 11:41 AM, Roy Wallace <waldo000...@gmail.com> wrote: >> >> I strongly disagree. The surveyor must only tag information that is >> verifiable. They should NOT tag >> "I_think_the_router_should_send_bikes_down_here=yes". Notice the >> "I_think" - that means it isn't verifiable. > > No, but > "100_bikes_come_through_here_every_saturday_morning_and_arrests_so_far=0" > is.
I'm not sure what you mean - do you understand my point that subjective assessment of path suitability for a "bicycle" is not a good way to tag, because it is not verifiable? If you do understand this point, and if you still want to "map on the basis of common practice", then do you have any ideas on how to do this, *with verifiable tags*? I'd be very interested! (I'm assuming your use of the key above was sarcastic :P) >> In other words, the person "best placed" to set the criteria for what >> they want to ride on is *the user*. > > The user don't got no tools to let him make use of all this surface > information. Don't tag on the basis of existing tools. It's easy to imagine a routing application that would allow a cyclist to select whether they want to go off-road (surface=unpaved, dirt, etc) or want to commute to work (surface=paved, etc.). If there's a market for it, and if the data is in the OSM database, routing applications will follow (same analogy for renderers...). > Mapping millimetre by millimetre the surface of a city is less > useful than, say, mapping places where bikes can go. Even if it is more useful, "places where bikes can go" is not well-defined. This is the whole point of this thread. If you can come up with a more specific definition (e.g. based on law, or physical characteristics, or whatever it is that you mean), and a set of verifiable tags that are able to express this, then you'd have my support. On the other hand, even if you argue that it is *less* useful, surface/width *is* well-defined, and verifiable, and able to be used for routing, renderer, etc... _______________________________________________ Tagging mailing list Tagging@openstreetmap.org http://lists.openstreetmap.org/listinfo/tagging
