[Tagging] `amenity=shelter` implies `building=yes`?
pla16021 at gmail.com
Mon Jun 18 15:44:58 UTC 2018
On Mon, Jun 18, 2018 at 4:22 PM, Kevin Kenny <kevin.b.kenny+osm at gmail.com>
> Would it be feasible to say that building=yes is a default (except,
> perhaps, for rock_shelter, sun_shelter) and that mappers are expected to
> place an expected building=no on the exceptions?
Tags are not hierarchical, let alone cladistic. And English usage is
rather fluid. This leads to anomalies.
Any enclosed space built by man that a person can occupy is, in one sense,
a building. Anything built by man is, by definition, man made. And, since
man is a part of nature, anything built by man is also natural (if a beaver
dam is natural artefact then so is the Hoover Dam). Thankfully, OSM tags
aren't cladistic, or we'd have natural=skyscraper.
That said, most people would classify houses, garages and even sheds as
buildings but exclude bus shelters.
I'd also expect a bus shelter to have, at a minimum, a roof and at least
one wall. I don't think we need to tag it with covered or roof because if
it doesn't have a roof/canopy it's not a shelter As in you cannot shelter
from the rain unless it has a roof.
Note also that at one point in time (around 6 months ago) some page in the
wiki I stumbled across said that covered=yes in combination with a bus
platform meant that the platform was underground or something like that.
Which had me hastily remove the covered=yes I'd put on bus shelters because
a few months prior to that something in the wiki implied it was as
necessary as tagging a bench if there was one.
It would be nice if we could sort this out. :)
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