On 1/09/2015 6:38 AM, Daniel Koć wrote:
W dniu 31.08.2015 21:37, Martin Koppenhoefer napisał(a):

or different objects:
A
building:part=supermarket
level=-1

B
building:part=office_block
level=0-6

A 'good idea'.

This should be much easier to parse - and it's also 3D friendly. Current Simple 3D Buildings specification basically tells to slice the buildings with building:levels=* and building:min_level=*, so we better use this notation.

It would just be good to extend Wiki documentation of building:part=* to make it clear that the parts can have values exactly like the building=* (not only "yes"):

http://wiki.openstreetmap.org/wiki/Key:building:part

for an example of a  simple building of uniform length/width ... ?

building=mixed
building:part:retail:level=0-1
building:part:commercial:level=2
building:part:apartment:level=3-25


I and I suspect many others are not familiar with indoor mapping .. and the wiki does not help the beginner here. But the simple mapper wants a tag to describe the building= .. without going into the details of what is inside, the levels, roof ... they want to map the basics and move on. So they are best served by a simple 'building=mixed' tag and they can then go on to the next thing to map.

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