[Tagging] Question about waterway=pressurized
voschix at gmail.com
Tue Sep 14 15:07:04 UTC 2021
Question to François: is an inverted-siphon (botte sifone, pont-siphon)
piece of waterway to be mapped as pressurised?
On Tue, 14 Sep 2021, 16:18 François Lacombe, <fl.infosreseaux at gmail.com>
> Hi Kyle,
> Le mar. 14 sept. 2021 à 03:24, Kyle Hensel <K.y.l.e at outlook.co.nz> a
> écrit :
>> Is there are reason why waterway=pressurized is used instead of
>> waterway=river/stream/canal/drain and pressurized=yes?
> Yes, waterways are defined according to their permanent flowing regime.
> Some are free flowing, others are pipe flowing.
> A given waterway can't be both as it requires a special prerequisites to
> handle pressurised water.
> This table gives all values according to their regime
> River, streams, canals and drains are defined as free flowing waterways,
> so it wasn't consistent to propose pressurised=yes for them.
> If a river goes punctually in a permanent pressurised culvert,
> waterway=pressurised + tunnel=culvert sounds the most appropriate
> By the way, a river relation can obviously involve sections with different
> In a perfect world we would have cleared waterway=* from all other values
> than flowing regime (move waterway=pier or waterway=fuel to man_made or
> Never mind, I go back sleeping :)
> All the best
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> Tagging at openstreetmap.org
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