[Tagging] mast / tower / communication_tower (again)
joseph.eisenberg at gmail.com
Fri Oct 5 06:15:32 UTC 2018
Sounds sensible to me. If JOSM and ID support man_made=tower +
tower:type=communication with a preset, it won't be any more work than
typing in a single tag.
Does this require a proposal process? How does something become officially
On Fri, Oct 5, 2018 at 2:59 PM Graeme Fitzpatrick <graemefitz1 at gmail.com>
> On Tue, 2 Oct 2018 at 00:24, Martin Koppenhoefer <dieterdreist at gmail.com>
>> Certainly, choosing "communication tower" for both types but under
>> different keys wasn't a solution that satisfies our requirements (reduce
>> confusion and be easily applicable while allowing to distinguish what
>> people want to distinguish).
> I've been doing some checking & I think it could well be time to deprecate
> the whole man_made=communications_tower tag
> There's supposedly ~3500 of them worldwide, with ~200 in Australia / NZ /
> SE Asia http://overpass-turbo.eu/s/CwE
> Over the last few days, I've looked at 50 odd of these 200, & not one is a
> "communications_tower": "a huge tower for transmitting radio applications
> like television, radio, mobile phone or officials radio. It is often made
> from concrete and usually a far visible landmark." - & by a amazing twist,
> the one tower that I know of in Australia that does meet the criteria,
> Black Mountain Tower in Canberra https://www.blackmountaintower.com.au/,
> *isn't* listed as one!
> All of them I've looked at, are clearly, from aerial imagery, only a
> - man_made <https://wiki.openstreetmap.org/wiki/Key:man_made>=tower
> - tower:type <https://wiki.openstreetmap.org/wiki/Key:tower:type>=
> I don't know how many of the 3500 worldwide are actually
> communications_towers bu that definition, but I'd guess not more than a
> dozen or 2?
> I'd like to suggest that we deprecate that tag, settle on the engineering
> definition given to differentiate between masts & towers:
> "In structural engineering, *mast* is a vertical structure, supported by
> external guys and anchors.
> This is the only existing definite feature that could be used to
> differentiate masts and towers."
> & start cleaning things up.
> Your thoughts?
> Tagging mailing list
> Tagging at openstreetmap.org
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