[talk-au] How to tag reaches (segments of a waterway)?
acrosscanadatrails at gmail.com
Sat Apr 9 10:03:40 BST 2011
'linear network water flow' should suffice. ... it's been recommended
to tag it as 'directional=yes' where it's just a line in the direction
of the water. .. if it's unknown 'directional=unknown'.
You could put 'oneway=yes' but don't let the talk-ca list know about
it as some people will get all excited about it.
... it'll just add a nice arrow across the river, and make it look good.
On 4/9/11, Andrew Harvey <andrew.harvey4 at gmail.com> wrote:
> The historical map I'm getting the information from calls them "...
> Reach". According to
> http://en.wikipedia.org/wiki/Reach_%28geography%29 "Most generally, a
> reach is any length of a stream between any two points."
> I can't think of a better term myself, so unless there are any other
> suggestions I'll use reach for the time being.
> On Sat, Apr 9, 2011 at 6:28 PM, Elizabeth Dodd <edodd at billiau.net> wrote:
>> On Sat, 9 Apr 2011 18:22:49 +1000
>> Andrew Harvey <andrew.harvey4 at gmail.com> wrote:
>>> I would like to map some named reaches ("straight portion of a stream
>>> or river, as from one turn to another;") part of a major river.
>>> The river (e.g.
>>> ) currently has both a riverbank area drawn, and a way down the middle
>>> of the river. To make things even more complicated, the way running
>>> down the middle of the river has both waterway tags and administrative
>>> boundary tags.
>>> I'm thinking the ideal way to map this (reaches + river + admin
>>> boundary) would be split the way into segments for each reach, tag
>>> each segment as waterway=reach, name=Foo Reach, then collect up the
>>> river segments into a relation which contains waterway=river, name=Bar
>>> River, and just leave the riverbank area as is. Not sure what to do
>>> with the admin boundary tags though.
>>> I'm not sure what's best though. Any thoughts? Thanks.
>> I'd be looking at another word for "reach". I'm not making any
>> suggestions, but it isn't a simple English term, and using difficult
>> terms makes the cross-language stuff hard.
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>> Talk-au at openstreetmap.org
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