On 14/11/2019 12:31, Ken Kilfedder wrote:
Per the wiki "Use waterway=canal for man-made open flow (free flow vs pipe flow)
waterways used to carry useful water for transportation, hydro-power generation OR
irrigation purposes." E.g. there are a range of purposes for which waterway=canal
is
On 2019-11-14 13:22, Martin Wynne wrote:
> "Canal" should surely be restricted to transport functions? Boating apps
> presumably treat "canal" as a route unless navigation restrictions are added.
Canal indicates a form of construction - man-made. Unlike natural
watercourses they were
Per the wiki "Use waterway=canal for man-made open flow (free flow vs pipe
flow) waterways used to carry useful water for transportation, hydro-power
generation OR irrigation purposes." E.g. there are a range of purposes for
which waterway=canal is used.
The access tags could be used to make
I pieced it together as best I could and came up with that, which reminds
me that we need much better (UK-specific) tagging information on the Wiki.
Nothing stopping anyone rolling their own tags though. I'd have gone for
man_made=leat which has some small precedent.
Regards,
*Paul*
On Thu, 14
I think instead of canal=headrace you meant to write usage=headrace?
That's what's in the wiki, and also 1000+ entries seen in taginfo.
I've chatted many times to people about millraces, but the term
"headrace" (and "tailrace") is new to me. I'll add keywords to the
wiki to make searching easier.
"Canal" should surely be restricted to transport functions? Boating apps
presumably treat "canal" as a route unless navigation restrictions are
added.
If the stuff that is moving is the water rather than the boats,
"aqueduct" would be the correct term.
cheers,
Martin.
Looking at the existing guidelines it would be waterway=canal and
canal=headrace (canal here used in the power rather than transport context)
If this is indeed correct then it's not very obvious but it is detailed
here:
Hi
Can find no guidance on the Wiki about tagging mill races. I come across these
continually while surveying.
They are a totally distinctive water feature which don't bear much relation to
listed waterway types. Drain seems to be the closes value - but this really
misrepresents their
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