[Tagging] Adding floor location information

[Warin]

On 29/09/2015 11:50 AM, johnw wrote:
> I am mapping Tokyo Dome City, which is a maze of overlapping amenities (an amusement park on top of a shopping mall with a giant pedestrian area with fountains and ramps, bridges, staircases everywhere).  The current issue I am investigating is how to map a large amount of shops onto a single building - the LaQua mall there has over 50 or 60 shops, a spa, rollercoaster, ferris wheel, and a few other odd things all stacked into 1/3 a city block.
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> I took a train to another part of Tokyo looking for a shop that was right there in the mall I was in, because it wasn’t even in Google Maps.  I want to add all the shops of the malls I visit to OSM, but as I get closer to Tokyo, the malls get taller and taller ( 0101 at Kita-senju station is 9 floors of 100 shops or so in 100x100m), and the new Lumine mall is directly over Kitasenju’s 4 combined stations), which would lead to an unfathomable amount of tag rendering pollution, so…
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> a)  is there a best practice to arrange all the point tags for the shops placed on/in the Mall polygon?
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> b) indicating floor level in the mall is useful, and looking at the wiki shows that the tag addr:floor=* is suggested - but it only has 158 uses - which is amazingly small. is this the right key to indicate what floor a shop is on?
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 From my brief reading of the wiki some time ago ... level= is much more popular.

My primary problem with this is that some buildings will have their own way of identifying the particular floor .. that will not conform to OSM tags ..
there needs to be a way of relating the local building floor names with the OSM tag !

And the tags need to be able to use the local name directly - making the mappers and checkers job easy - as the floor you are on is called the local name ..not some OSM name that has to be looked up each time.

Good Luck .. I too would like to see some clear documentation and thinking on this.