Canals and ditches are artificial channels carrying naturual water, so are the channels of a straightened river or stream. imho there is not difference between them. If we had such sections tagged as artificial waterways it would be possible to calculate statistics on man's impact on natural waterways and detect the old natural channels. Considering narrow river sections are tagged as waterway=stream, and wide streams are tagged as waterway=river, it is only waterway relations which let you actually understand what that waterway is.
Cheers, Eugene вт, 19 февр. 2019 г. в 02:40, Paul Allen <pla16...@gmail.com>: > On Mon, 18 Feb 2019 at 23:30, Graeme Fitzpatrick <graemefi...@gmail.com> > wrote: > >> >> On Tue, 19 Feb 2019 at 09:23, Paul Allen <pla16...@gmail.com> wrote: >> >>> >>> According to a sketch in a comedy show from so long ago I can barely >>> remember it, the source >>> of the River Thames was traced to a dripping tap. Which was fixed and >>> the river dried up. >>> >>> I don't think it was Monty Python, though it might have been. Possibly >>> one of Python's >>> precursors. >>> >> >> Seem to remember that one! >> >> Goodies? >> > > Going well off topic here. > > It was an isolated sketch, whereas Goodies had themed episodes. TW3, > maybe. Something like > that. The only reason I don't think it was the Python's is I can't find > it on youtube or even google. I > was beginning to wonder if I'd imagined it. > > -- > Paul > > >> Thanks >> >> Graeme >> _______________________________________________ >> Tagging mailing list >> Tagging@openstreetmap.org >> https://lists.openstreetmap.org/listinfo/tagging >> > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging >
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