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 deprecated?
On Fri, Oct 5, 2018 at 2:59 PM Graeme Fitzpatrick <[email protected]> wrote: > > > > On Tue, 2 Oct 2018 at 00:24, Martin Koppenhoefer <[email protected]> > 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 > _______________________________________________ > Tagging mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/tagging >
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