[OSM-newbies] What's the easiest method to "snap" an area boundary to adjacent ways?

[Russell Harrison]

Thanks Dave, I've read through those but I've found many places where
rivers have both a center line and a stream back imported from
government data.  I guess the real question is do administrative
boundaries extend to the bank or the center of a river.  I'm gathering
that the answer is "maybe" because each case could be different and
I'd need to find the actual document containing the survey in order to
know for sure.

Thanks so much to everyone responding to this thread.  I have a much
better understanding of these cases now!

Russell

On Tue, Aug 31, 2010 at 5:03 AM, Dave F. <davefox at madasafish.com> wrote:
>  On 30/08/2010 22:19, Russell Harrison wrote:
>>
>> I see your point about road center lines. What about river center
>> lines?  I was under the impression that many administrative boundaries
>> do correspond exactly.
>
> Hi Russell
>
> These wiki pages may help clarify:
>
> http://wiki.openstreetmap.org/wiki/River
>
> http://wiki.openstreetmap.org/wiki/Tag:waterway%3Driverbank
>
> If the river is just a centre line i would attach the boundary to it. Some
> renderers (such as mapnik) make use of the width=* tag to give width to a
> line.
>
> If the riverbank is drawn, there should still be a centre line to indicate
> the flow direction, so you can still attach the boundary to it.
>
> Hope that helps
>
> Dave F.
>
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