2015-01-28 13:06 GMT+01:00 SomeoneElse <[email protected]>: > "grey water" has a specific meaning (waste water that isn't sewage and can > be further used for e.g. irrigation). If that's what you mean - great. If > you just mean water that you can't drink, then just use something that > describes it, like "water". >
thanks for pointing this out. If you are interested in the details, you can have a deeper read here: EN 12056-1 ;-) > Although http://wiki.openstreetmap.org/wiki/Key:substance says "water == > fresh water for drinking purposes" that doesn't match the real world. > +1 > Mappers adding e.g. irrigation pipes aren't going to check the wiki; > they'll just say "that's a water pipe", so data consumers can't assume that > "substance=water" == "fresh water for drinking purposes". > +1 I also take back my suggestion above, which was "drinkable=yes/no", because in the case we are discussing here, we are talking about a pipeline. We'd need a tag referring to the water in the pipeline, because it is not the pipeline itself which is drinkable. Maybe water:drinkable=yes/no could do it. Btw.: if you follow this argumentation, this issue is also occurring for other features like water taps or fountains (on a semantic level, amenity=fountain, drinkable=yes doesn't make sense). cheers, Martin
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