One question. How would people map a cave? As far as I know, GPSes don't really work underground, and obviously there is no sattelite imagery for them. I imagine that's why there is no scheme right now.
2014-08-14 8:22 GMT-03:00 André Pirard <a.pirard.pa...@gmail.com>: > On 2014-08-14 12:31, Martin Vonwald wrote : > > 2014-08-14 12:25 GMT+02:00 André Pirard <a.pirard.pa...@gmail.com>: > >> On 2014-08-14 11:08, Janko Mihelić wrote : >> >> Well first, tunnel=yes is obviously wrong. We need to replace this with >> cave=yes. Other than that, I have no problems with this. If a cave has two >> cave entrances, then information that they are connected by footpaths is >> valuable information. >> >> Obviously? Regarding paths and waterways, especially ones fitted up for >> tourism, I wonder... >> > > Maybe not completely obvious, but I would agree with Janko. In my > opinion, a "tunnel" is man-made, while a "cave" is not. > > > "tunnel" is an attribute of an object called "highway", including the > paths in question. > "cave:NNN=*" are attributes of objects "natural > <http://wiki.openstreetmap.org/wiki/Key:natural>=cave_entrance" > <http://wiki.openstreetmap.org/wiki/Tag:natural%3Dcave_entrance>, > obviously speleology and not path oriented. > "cave=*" is not defined. > I know I still have to learn that OSM is fuzzy, but using "cave=yes" for > paths would first need a definition of it in the "highway=*" page. > > This said, we could wait for years for a rendering of cave=yes, let alone > routing support. > Rendering and routing don't care if it's man-made or not. They just work > or don't. > Why not use the well established tunnel=yes and layer=-n? And cope with > the subjective, cultural, etc. strangeness with an adorning cave or > whatever made up tag? > > André. > > > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging > >
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