[Tagging] Relation for saying "x is attached to y"?

Pieren pieren3 at gmail.com
Sun Aug 29 16:36:23 BST 2010

On Sun, Aug 29, 2010 at 11:37 AM, Nathan Edgars II <neroute2 at gmail.com>wrote:

> Perhaps a site relation? I'm not sure it's necessary; any application
> that needs that information can calculate whether the polygons
> overlap.
Yes, the topology shows what is "inside" or "outside" the polygon. And you
can use the tag "layer" to say what is on the top of what.

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