>Monday, September 7, 2020 4:23 AM -05:00 from Tobias Zwick ><[email protected]>: > >The discussion went astray a bit, partly because I think it was not clear why >Mateusz proposed to use the drinking_water:legal=yes/no/unknown at all, if >there is already the tag drinking_water=yes/no. >Let me illustrate with some examples. So, these two cases are clear: >* 1. There is a sign that says you can drink it or it is otherwise clear that >you can (drinking fountain constructed by muncipality) -> drinking_water=yes >* 2. There is a sign that forbids it or warns that it is contaminated -> >drinking_water=no >But what about these? >* 3. There is no sign at all and no clear indication whether it is drinkable >or not. Water that comes out of a mountain might be polluted with toxic >substances, especially if it is close to an (old) mine. >* 4. There is a sign that simply says "no drinking water" but it is clear >from the circumstances that it is. Don't have a good example right now, maybe >because of insurance, or nearby shop wants to sell bottled water. >In case 3, where a surveyor cannot with certainty determine if it should be >drinking_water=yes or no (without trying it himself and waiting if he becomes >ill or not, which can't be expected of the surveyor). So in this case, he >would need to leave drinking_water untagged. But what he can with certainty >record is that there is no official information about it whatsoever. This is >useful because people searching for drinkable water would certainly prefer >water sources where it is positive that it is drinkable. >drinking_water=unknown or drinking_water:signed=no would solve this, but there >is also case 4. >In case 4, the official information would deviate from the actual situation >on-site, which could warrant to record these two informations separately when >necessary. > >Cheers >Tobias >On 06.09.20 15:14, Mateusz Konieczny via Tagging wrote: >>We have drinking_water:legal=yes for water that is officially drinkable, >>we have drinking_water:legal=no for water signed as not drinkable. >> >>Do we have tag for water sources (amenity=drinking_water, drinking_water=yes) >>that are neither officially or signably drinkable nor with "not drinkable >>sign"? >> >>drinking_water:signed=no ? >> >>_______________________________________________ >>Tagging mailing list >>[email protected] >>https://lists.openstreetmap.org/listinfo/tagging >> >_______________________________________________ >Tagging mailing list >[email protected] >https://lists.openstreetmap.org/listinfo/tagging
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