[Tagging] Relation for saying "x is attached to y"?
dieterdreist at gmail.com
Mon Aug 30 14:06:21 BST 2010
2010/8/29 Pieren <pieren3 at gmail.com>:
> On Sun, Aug 29, 2010 at 11:37 AM, Nathan Edgars II <neroute2 at gmail.com>
>> Perhaps a site relation? I'm not sure it's necessary; any application
>> that needs that information can calculate whether the polygons
> 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.
+1, but site-relations might still be useful in the context of power
generators. There are situations where the single objects do not
overlap but are side a side, for example you might have 3 generators
with 3 chimneys and want to model which chimney is connected to which
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