[OSM-talk] Problem with usage of other values than yes for key building

[Andreas Vilén]

I map buildings with the bulding_tools plugin and it would take
considerably longer if I looked for a better tag for each building I map,
and retag every tagged building=yes, so for that reason I almost never use
any other value. If you want to map towns of 20-50 000 inhabitants, or
larger rural areas, and not work for years that is the only workable
method. For example, I'm currently (taking a break in) mapping every
building on the island Öland, and have gotten about halfway after 6 months.
It's not reasonable to look for more specific tags than =yes in cases like
that. http://tasks.openstreetmap.se/job/23

Nowadays when I tag churches I normally tag both place of worship and
building=church though. So I don't see how the building tag is redundant
there. There are simply different uses for different tags. Also, as others
have suggested, a hospital or a school often covers a much larger area than
just one building.

/Andreas

On Tue, Mar 10, 2015 at 9:35 PM, Stefan Keller <sfkeller at gmail.com> wrote:

> Hi,
>
> I have a problem with the usage values other yes in key building.
> It seems to me that this any other usage of building=yes (for area
> type) is almost purely redundant.
>
> When looking at taginfo [1], building has following three top most key
> usages:
> yes  119260798 85%
> house 11592812 8%
> residential 3145218 2%
> ...
>
> So, other than "yes" has a frequency of 15% and less.
>
> Then, when looking at the wiki page [2] it mostly points to
> alternative tags, like
> * building=apartment => tourism=apartment
> * building=hotel => tourism=hotel
> * building=warehouse => shop=department_store (no indication to that
> in warehouse
> * building=church/cathedral =>  amenity=place_of_worship
> * building=school/hospital => amenity=school/hospital
>
> Sometimes when looking at wiki pages of building=* they even don't
> mention the preferred tagging, like building=apartment [3].
>
> I tend to stipulate that any other value than yes for key building
> should be deprecated.
> Or am I missing something?
>
> Yours, S.
>
> [1] http://taginfo.openstreetmap.org/keys/building#values
> [2] http://wiki.openstreetmap.org/wiki/Key:building
> [3] http://wiki.openstreetmap.org/wiki/Tag:building%3Dapartments
>
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