[Tagging] The actual use of the level tag

Simon Poole simon at poole.ch
Thu Jan 24 08:41:28 UTC 2019

See the original page on the Karlsruher schema:

Am 23.01.2019 um 05:04 schrieb Eugene Alvin Villar:
> On Mon, Jan 21, 2019 at 4:11 PM Simon Poole <simon at poole.ch
> <mailto:simon at poole.ch>> wrote:
>     [...] addr tags are for postal addresses I don't think using them as a
>     level name/ref makes very much sense outside of that very narrow
>     application.
> I rechecked the two main OSM Wiki pages[1][2] on addr:*=* tags and
> addresses in general and there is no indication there that such tags
> are only intended to encode postal addresses (aside from the specific
> addr:postcode=* tag). Personally, I use addr:*=* tags in any scenario
> where addresses can be used, such as in contact/location addresses
> which is used when the general public (and not just the
> postman/mailman) wants to go to an office, shop, or an establishment.
> For example, the Consulate-General of Japan in Hong Kong lists their
> location where they can be reached[3] as "46-47/F, One Exchange
> Square, 8 Connaught Place, Central, Hong Kong". I could then encode
> this as:
> addr:floor=46-47/F
> addr:housename=One Exchange Square
> addr:housenumber=8
> addr:street=Connaught Place
> addr:place=Central (tag probably unnecessary if Central is already a
> boundary)
> addr:city=Hong Kong (probably unnecessary since HK already has a boundary)
> As for level=*, I don't know whether this building skips any floor
> numbers (4th? 14th? 24th? etc.) so I would hold off on tagging level=*
> until I get to see their elevator buttons.
> [1] https://wiki.openstreetmap.org/wiki/Key:addr
> [2] https://wiki.openstreetmap.org/wiki/Addresses
> [3] https://www.hk.emb-japan.go.jp/itpr_en/opentime.html
> ~Eugene
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