And maybe it shouldn't be mapped that way because it is not observable. Up for discussion... Thanks,
Stuart On Fri, Feb 21, 2020, 08:25 Warin <[email protected]> wrote: > On 21/2/20 6:16 pm, European Water Project wrote: > > Hi Warin, > > contents=water seems more appropriate > > That does not stipulate if it is drinking water. > > > Thanks, > > Stuart > > On Fri, 21 Feb 2020 at 07:38, Warin <[email protected]> wrote: > >> So a water tank with drinking water cannot be tagged as drinking water >> because there is no local access. Fine. >> Then it is only tagged as a tank with contents=water, or should there be >> yet another value for it contents=drinking_water? >> Or a sub tag water=drinking water... >> >> >> On 21/2/20 5:10 pm, European Water Project wrote: >> >> Hi Martin, >> >> There are a couple of issues I see with drinking_water=yes not having a >> concept of access. >> >> 1. Where is the observability ? How can I know if a water tank has >> drinking quality water or just agriculture quality water ? >> From the wiki : >> "One can assume that the water is pure when many people drink it every >> day." >> This is hard to assume, and one would never know if there is water ... >> >> 2. But there is an even bigger issue --- and I will admit that I am >> biased because of the European Water Project's use case. >> For a map feature to be useful, it should have universality. Ie. if one >> maps restaurants with toilets, at least customers should have access ... >> Someone who goes to the OSM way where there is a water tank, even with a >> wallet full of cash, will die of thirst before getting a drink. >> It's similar to toilet=yes ... A restaurant with a toilet for employees >> only, probably shouldn't have the tag. >> Yes, there is an access tag, but in most cases access is implied. >> >> drinking_water = yes, seems to come with access in 99% of the 61,300 >> nodes and the large majority of the 8,178 ways. >> >> Best regards, >> >> Stuart >> >> >> >> >> >> >> On Thu, 20 Feb 2020 at 19:33, Martin Koppenhoefer <[email protected]> >> wrote: >> >>> Am Do., 20. Feb. 2020 um 19:14 Uhr schrieb European Water Project < >>> [email protected]>: >>> >>>> Dear All, >>>> >>>> I have noticed that the the key drinking_water = yes for ways is >>>> sometimes used in a manner not described in the wiki. >>>> >>>> https://wiki.openstreetmap.org/wiki/Key%3Adrinking_water >>>> >>>> The issue has to do with ways which might store drinking water which is >>>> not actually directly accessible. I think this tag should be for >>>> accessible water. >>>> >>> >>> >>> I don't read from the wiki description that the drinking water must be >>> directly accessible. It depends on the context feature. >>> >>> Cheers >>> Martin >>> _______________________________________________ >>> Tagging mailing list >>> [email protected] >>> https://lists.openstreetmap.org/listinfo/tagging >>> >> >> _______________________________________________ >> Tagging mailing >> [email protected]https://lists.openstreetmap.org/listinfo/tagging >> >> >> _______________________________________________ >> Tagging mailing list >> [email protected] >> https://lists.openstreetmap.org/listinfo/tagging >> > > _______________________________________________ > Tagging mailing > [email protected]https://lists.openstreetmap.org/listinfo/tagging > > > _______________________________________________ > Tagging mailing list > [email protected] > https://lists.openstreetmap.org/listinfo/tagging >
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