[Tagging] Drain vs ditch

[Eugene Podshivalov]

пт, 11 янв. 2019 г. в 18:30, Markus <selfishseahorse at gmail.com>:

> Hi!
> I can't find any information – neither on the English wiki nor on the
> Russian translation – that either waterway=drain or waterway=ditch is
> used for irrigation.


Markus, you can find that in the "How to Map" section of the ditch proper
page:
"If the ditch is used for irrigation, the usage of irrigation=yes is
proposed."
https://wiki.openstreetmap.org/wiki/Tag:waterway%3Dditch
i.e. irrigation ditche should be maps as waterway=ditch + irrigation=yes.

Eugene

пт, 11 янв. 2019 г. в 18:30, Markus <selfishseahorse at gmail.com>:

> Hi!
>
> On Fri, 11 Jan 2019 at 00:40, Eugene Podshivalov <yaugenka at gmail.com>
> wrote:
> >
> > Can anyone please explain the difference between waterway=ditch and
> drain?
> > As far as I understand the description on the English wiki they differ
> in usage:
> > https://wiki.openstreetmap.org/wiki/Key:waterway
> >
> > drain - usually lined with concrete or similar and used to carry
> superfluous water like storm water or industrial discharge
> > ditch - used for irrigation
> >
> > But the Russian wiki says that irrigation waterways should be tagged as
> drains.
> > https://wiki.openstreetmap.org/wiki/RU:Key:waterway
>
> I can't find any information – neither on the English wiki nor on the
> Russian translation – that either waterway=drain or waterway=ditch is
> used for irrigation. They are both used to tag stretches of waters
> carrying superfluous water, e.g. for drainage. As defined on the wiki,
> the difference between ditch and drain is that waterway=drain is lined
> with concrete or similar:
>
> https://wiki.openstreetmap.org/wiki/Tag:waterway%3Ddrain
>
> If you want to tag an artificial stretch of water used to carry useful
> water for irrigation – as well as transportation and power generation
> –, there is waterway=canal:
>
> https://wiki.openstreetmap.org/wiki/Tag:waterway%3Dcanal
>
> Regards
>
> Markus
>
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