[Tagging] mast / tower / communication_tower (again)
lionel.giard at gmail.com
Sun Sep 30 16:39:51 UTC 2018
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 <selfishseahorse at gmail.com>
a écrit :
> On Sun, 30 Sep 2018 at 17:24, SelfishSeahorse <selfishseahorse at gmail.com>
> > On Sun, 30 Sep 2018 at 14:45, Martin Koppenhoefer
> > <dieterdreist at gmail.com> wrote:
> > >
> > > > To solve the contradiction we need to get rid of one of the two
> > >
> > > 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 at openstreetmap.org
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