[Tagging] "Feature Proposal - RFC - Qanat"

Joseph Eisenberg joseph.eisenberg at gmail.com
Fri Jun 26 16:57:07 UTC 2020


> Regarding man_made=qanat versus canal=qanat, it is worth pointing out
that qanats surface and become surface canals for irrigation and
distribution.  > Thus, it would be continuity to go from waterway=canal,
canal=qanat, tunnel=yes to waterway=canal instead.

Yes, that is the plan. You can also add usage=irrigation or another
appropriate value of usage=*, and width=*

– Joseph Eisenberg

On Fri, Jun 26, 2020 at 9:12 AM Walker Bradley <walker.t.bradley at gmail.com>
wrote:

> I concur that historic or heritage should be secondary tags.
>
> Regarding man_made=qanat versus canal=qanat, it is worth pointing out that
> qanats surface and become surface canals for irrigation and distribution.
> Thus, it would be continuity to go from waterway=canal, canal=qanat,
> tunnel=yes to waterway=canal instead.  Thoughts?
>
> On Jun 26, 2020, at 11:27, Paul Allen <pla16021 at gmail.com> wrote:
>
> 
> On Fri, 26 Jun 2020 at 15:57, Walker Bradley <walker.t.bradley at gmail.com>
> wrote:
>
>> So it would seem that historic=* or heritage=* would be appropriate
>> sub-tags for qanats when applicable on top of waterway=canal, canal=qanat,
>> tunnel=yes.
>>
>
> That's how I see it.  Using historic=qanat for modern qanats seems wrong.
> So
> if we need different tagging for modern qanats anyway, then handle historic
> qanats by adding historic=yes.
>
>>
>> I guess we would need to discuss after the approval of Qanat for what
>> criterion/ia would determine historic=yes for qanat.
>>
>
> See https://wiki.openstreetmap.org/wiki/Historic and then discuss if it
> needs
> modifying/expanding to specifically deal with qanats or if the page for
> man_made=qanat needs text clarifying what Historic means for qanats.
>
> If a historian, even an amateur one, is eager to visit it then it's
> historic.
> If a historian takes a look and says "Meh" then it isn't historic.  Which
> isn't a very objective metric, so some would say the historic tag
> shouldn't be used at all (another good reason to prefer man_made=qanat)
> over historic=qanat).
>
> --
> Paul
>
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