sent from a phone
> On 30. Jun 2018, at 14:41, Volker Schmidt <vosc...@gmail.com> wrote: > > The reason I am asking here, is that I detected by chance that navigation > channels in the Venice Lagoon [1] have been tagged as waterway=canal, which > to me seems not correct, or at least not covered by the wiki definition. I have noticed problems with this as well in a map I made in this area (1:400.000) this week, what a coincidence. Reading the wiki, it seems in line with the canali tagged like this (artificial ones, if there are any), because there is a merely functional distinction: “An artificial open flow waterway used to carry useful water for transportation, waterpower, or irrigation.” Somehow the mapnik style always conveyed a hierarchy of scale between canal, drain and ditch but there is not anything about this in the current wiki article: https://wiki.openstreetmap.org/wiki/Tag:waterway%3Dcanal Thinking about it, the Canale Grande should maybe not get waterway=canal but waterway=river? https://www.openstreetmap.org/way/398987317#map=14/45.4368/12.3284 Cheers, Martin
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