[Tagging] Deprecate water=pond?

Yves ycai at mailbox.org
Wed Nov 11 12:05:43 UTC 2020

We should get rid of all tags too close to natural language.
I propose a unified tagging scheme:
material = dihydrogen monoxyde
formula = H2O
flowing = yes/no
depth = xx

Wait, in fact this could be extended to anything from building to trees!!

Le 10 novembre 2020 06:26:39 GMT+01:00, Joseph Eisenberg <joseph.eisenberg at gmail.com> a écrit :
>The tag water=pond was added with a large number of other types of
>"water=*" in 2011, but it has a poorly defined description.
>"A pond <https://en.wikipedia.org/wiki/Pond>: a body of standing water,
>man-made in most cases, that is usually smaller than a lake. Salt
>evaporation ponds should be tagged with landuse
><https://wiki.openstreetmap.org/wiki/Tag:landuse%3Dsalt_pond>, open-air
>swimming pools — with leisure
>So it might be artificial, like a landuse=reservoir or water=reservoir, but
>smallish. Or it might be natural like a water=lake, but smallish. However,
>nothing on the water=lake page defines a lower limit for the size of a lake.
>This is a shame, because all the other values of water=* are clearly
>defined as only natural, or only artificial, and waterway=* features are
>also clearly divided. Furthermore, the original lags landuse=reservoir and
>landuse=basin were also clearly artificial, while lakes were natural.
>But the biggest problem is that there is no way to define a lower size for
>a lake or reservoir, or an upper size for a pond. And the size of the area
>is easier available from the geometry of the feature, so it doesn't need to
>be mentioned in the tag.
>I think the best option is to deprecate water=pond and suggest using
>water=lake for natural lakes, even small ones, and use water=reservoir or
>water=basin (or landuse=reservoir or =basin if you prefer) for the
>artificial ones.
>-- Joseph Eisenberg
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