[Tagging] tower types, cooling towers etc.

Dave Swarthout daveswarthout at gmail.com
Fri Nov 10 02:51:37 UTC 2017

@Martin, I'm not sure of the meaning of your question.

I am aware of the use of man_made=water_tower for example and think it
might be better to use the top level tag
followed by:
tower:type=water_storage (or water_tower)

But it seems the two methods are already in use, namely, using tower:type
for some types of towers while others have a dedicated main tag like the
water_tower example.

Is that what you're referring to?

On Thu, Nov 9, 2017 at 4:35 PM, Martin Koppenhoefer <dieterdreist at gmail.com>

> I just noticed that the tag
> man_made=cooling_tower is deprecated. The template says the reason is on
> the deprecated features list, but actually there is no reasoning there.
> https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dcooling_tower
> The suggested alternative tagging with man_made=tower is _contradicting_
> the tower definition and frankly it doesn't seem reasonable to tag things
> as different as towers (watchtowers, defensive towers, communication
> towers, ...) and "large chimneys" / "heatexchangers" with the same main tag.
> https://wiki.openstreetmap.org/wiki/Tag:man_made%3Dtower
> Looking at usage statistics, both variants are growing.
> There are also other values for tower:type that contradict the
> man_made=tower definition (or have at least illustrative imagery attached
> that doesn't fit), namely the values
> - "siren" (not discussed or voted AFAIK, low usage),
> - monitoring (very low usage, is also competing with monitoring_station),
> - communication (what is the difference to "man_made=communication_tower"?
> The image is not a tower according to OSM definition).
> - multifunctional (WTF?), lowest imaginable usage
> - radar
> - climbing
> - diving
> - lightning_protection
> Why would we want to put all this completely different things into the
> same main tag, are there good arguments? May I ask for a little bit more of
> wiki editing discipline? For example the tag tower:type=multifunctional has
> 6 uses and never had more. I don't recall it being discussed on this list.
> Why would someone add it there?
> Cheers,
> Martin
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Dave Swarthout
Homer, Alaska
Chiang Mai, Thailand
Travel Blog at http://dswarthout.blogspot.com
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