[talk-au] How to tag reaches (segments of a waterway)?

Elizabeth Dodd edodd at billiau.net
Sat Apr 9 09:28:11 BST 2011


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.
> http://www.openstreetmap.org/?lat=-33.50134&lon=150.8778&zoom=15&layers=M
> ) 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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