Looking at the definition on the wikiproject telecom https://wiki.openstreetmap.org/wiki/WikiProject_Telecoms (in the part "Antennas / Masts / Towers", there is a section to indicate how to tag the mast, tower ...:
>From my understandings, the three (four) cases are currently : - a vertical structure supported by anchors for a mast; - a free-standing structure for a tower (it can be a tower of 10 meters or 150 meters !); - and the communication_tower is only a sub-category of a tower, for the ones with an height > 100 meters (i suppose it is an historic method to get big tower rendered differently without knowing the height exactly - for the towers that are a clear landscape reference). (- And for antenna (alone) on buildings, there is "telecom=antenna".) Probably most of the mast are only accessible via ladder, and most of the big tower have a platform (i don't know if all of them does), but does it really matter ? The question i could see is : do we really need the communication_tower tag or should it be a secondary tag of the tower itself (like tower_type=*) ? I think it is useful to distinguish them somehow as it is useful as a landmark on the map, but am i alone to think that ? Le dim. 30 sept. 2018 à 18:04, SelfishSeahorse <selfishseaho...@gmail.com> a écrit : > On Sun, 30 Sep 2018 at 17:24, SelfishSeahorse <selfishseaho...@gmail.com> > wrote: > > > > On Sun, 30 Sep 2018 at 14:45, Martin Koppenhoefer > > <dieterdre...@gmail.com> wrote: > > > > > > > To solve the contradiction we need to get rid of one of the two > definitions. > > > > > > they could be combined: if it is intended to be accessed by people > (not only for maintenance) and is not guyed it is a tower, otherwise it > would be a mast. > > > > I think it's better to stick to either a common or a technical > > definition. OSM-specific definitions are prone to create confusion and > > tagging mistakes. > > PS: Except if this appears to be a common definition. > > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging >
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