[Tagging] waterway=penstock to complete pipeline tagging

Christoph Hormann chris_hormann at gmx.de
Mon Oct 5 12:10:04 UTC 2015


On Monday 05 October 2015, Fran├žois Lacombe wrote:
> Hi all,
>
> How would you feel about considering waterway=penstock beside of
> waterway=canal, waterway=drain to complete pipeline tagging scheme ?
>

Not such a good idea - that would be correctly tagged as 
man_made=pipeline.

A short tubed section of a regular waterway like below a bridge or dam 
can be tagged waterway=* + tunnel=yes, a longer tube should always be 
man_made=pipeline.

waterway=penstock would also lack any functional distinction that would 
normally be encoded in the waterway tag - data users would have no way 
to decide how treat such feature.  It would just say 'this waterway is 
tubed' not what kind of waterway it is (artificial/natural, clean/dirty 
water etc.)

-- 
Christoph Hormann
http://www.imagico.de/



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