[Tagging] Irrigation: ditches, canals and drains

François Lacombe fl.infosreseaux at gmail.com
Fri May 31 20:41:30 UTC 2019


Hi

I agree with aqueduct as a system composed of bridges, tunnels, pipes and
canal (not only a bridge crossing a valley).

Le ven. 31 mai 2019 à 16:10, Mateusz Konieczny <matkoniecz at tutanota.com> a
écrit :

> I think that in this case, with only
>
> usage=headrace
> waterway=canal
>
> tags even a perfect renderer would have a trouble.
>

That's right
It misses a structure
Tunnel and bridge can eventually help respectively for underground and
overhead situations.
Another key or value have to be determined to describe overground lining
(and other possibilities)

If the canal have a constant width, it can be added with width=* referring
to water width at its surface
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