On Tue, Aug 08, 2017 at 09:47:59PM +0200, Daniel Koć wrote:
> W dniu 08.08.2017 o 16:24, Bryan Housel pisze:
> >“official_length" is actually a good example of something that really does
> >not need to be tagged in OSM, and could instead be looked up if the river
> >has a wikidata tag. See https://www.wikidata.org/wiki/Q3392 for others.
> Of course I wouldn't use all the data from here, but for example we use
> similar field "population" for tuning rendering place names:
> BTW - distance is already defined as optional tag for waterway relation,
> it's just not mentioned for waterway=river:
I think attaching this kind of information to waterway relations is fine
and much better than trying to tag the rivers themselves. As rivers may
consist of many segments it would be too much duplication and also dubious
whether it relates to the single segment or the whole river.
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