On Tue, 2 Oct 2018 at 00:24, Martin Koppenhoefer <dieterdre...@gmail.com> wrote:
> > 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 https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dcommunications_tower 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 <https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dtower> - tower:type <https://wiki.openstreetmap.org/wiki/Key:tower:type>= communication <https://wiki.openstreetmap.org/wiki/Tag:tower:type%3Dcommunication> 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? Thanks Graeme
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