On 15.01.2015 17:08, Florian Schäfer wrote:
> in Czech Republic they have a similar problem: They have so called
> conscription numbers, which are unique in the whole city and
> additionally the normal housenumbers.
> They use the key addr:streetnumber (675,742× used) for the number unique
> within the street, addr:conscriptionnumber (2,632,784× used) for the
> number unique within the city and addr:housenumber for both separated by
> a slash (tagging for the renderer?!).
> 
> It's most likely not a solution to the problem you want to solve, where
> one house has two housenumbers unique within a street as far as I
> understand. But probably it's good to know about this similar problem.

This exact approach is new to me. We can discuss its pros and cons, but I
think the main message is that multiple addresses are mapped differently all
over the world. Every country has its local OSM community which concoct
their own tagging rules. The result is database full of tags that are
understood by the local mappers, maybe by local applications too, but not by
mappers or applications from other countries. We really need some unifying
tagging scheme suitable for all kinds of addresses worldwide.

-- 
Friedrich K. Volkmann       http://www.volki.at/
Adr.: Davidgasse 76-80/14/10, 1100 Wien, Austria

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