[Tagging] Equivalence relation

[Pieren]

On Tue, Jan 11, 2011 at 2:09 PM, Georg Feddern <osm at bavarianmallet.de>wrote:

> If the corresponding highway=*, cycleway=track is also tagged with the
> adjacent-Tag, router and renderer can choose in general, which sort of way
> they use - without any need for locating them.
>
>
Like the "is_in", "adjacent" sounds horrible for spatial applications
working with spacial database where all elements already have spatial
coordinates.

Pieren
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