[OSM-talk] Underground / hovering buildings

[Nathan Edgars II]

On 2/15/2011 5:38 PM, M∡rtin Koppenhoefer wrote:
> 2011/2/15 Nathan Edgars II<neroute2 at gmail.com>:
>> Jacek Konieczny wrote:
>>> layer=-1 tells only that the thing is under layer=0 and over layer=-2,
>>> nothing in relation to 'ground level' (some rivers or roads may have
>>> layer=-1 or layer=1 on most of its length).
>>>
>> No, ground level is layer 0. A nonzero layer on a ground-level feature is an
>> error.
>
>
> -1,
> http://wiki.openstreetmap.org/wiki/Layer

http://wiki.openstreetmap.org/wiki/Key:layer