On Tue, Feb 15, 2011 at 12:12:34AM +0100, M∡rtin Koppenhoefer wrote:
> 2011/2/14 Andrew Guertin <[email protected]>:
> > Second, an underground building. Connects to other buildings that are at
> > ground level and have basements.
>
>
> layer=-1 for the underground building. You could maybe also try covered=yes
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).
For underground roads and waterways 'tunnel=yes' works well. Would it be
applicable to buildings?
And in some cases I guess a footway or other tunnel may be a good
representation of the underground connection of buildings.
Greets,
Jacek
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