[Tagging] The actual use of the level tag

Tobias Zwick osm at westnordost.de
Sun Jan 20 16:20:51 UTC 2019

Maybe. My point though is that the (un)intuitiveness of this definition
will be a constant source of error because as shops close and new shops
open, the data is changing and thus the potential for error remains.
(With incomplete software support.)

Turns out, it is even a problem in countries where the ground floor is
level 0. I was just researching what floor numbering scheme Thailand
follows by looking at mall maps in Bangkok and found that it is common
for malls to have a storey named "M" between "G" and "1"
( https://www.emporium.co.th/directory/ ), making it as mistake-prone as
mapping a mall in the US.

On 20/01/2019 16:16, Tobias Knerr wrote:
> On 20.01.19 14:49, Tobias Zwick wrote:
>> 2. generally, tagging definitions that are not intuitive to use (in a
>> region) will not be used consistently (in that region), leading to
>> ambiguous data.
> I believe the high number of (potential) errors is temporary, resulting
> from the relative lack of software support for indoor mapping. Once
> application support is commonplace, mappers will likely notice that it
> "renders wrong", and fix their data accordingly. Proper editor support
> would be valuable, too, of course.
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