[Tagging] OpenSeaMap tagging - seamark-prefix was Re: [Imports] IENC of the German WSV

Martin Koppenhoefer dieterdreist at gmail.com
Wed Dec 11 14:39:24 UTC 2013

2013/12/11 Pieren <pieren3 at gmail.com>

> On Wed, Dec 11, 2013 at 11:56 AM, Malcolm Herring
> <malcolm.herring at btinternet.com> wrote:
> > I would be interested to hear (constructive!) ideas.
> ...

> Finally, the
> "seamark" namespace has to be interpreted as the "openseamap porject"
> domain. You work since years in parallel and with no intention to
> consolidate with the existing data/practices.

+1 (to all of Pièrre's message), and this is refering apparently to ALL
tags. Why use a duplicate tag "seamark:harbour" if there are
"landuse=harbour" and "leisure=marina"? Every single tag get duplicated and
prefixed with "seamark" --- regardless whether it is a seamark / sign or
something else (as he wrote, basically you have created a
Openseamap-namespace inside OSM by prefixing "seamark" to everything).

A constructive suggestion is to try to consolidate your tags. Use the
seamark-prefix ONLY for seamarks and use OSM tags for stuff that already
has established tags. There might be some grey areas (e.g. a landmark might
not be a landmark if viewed from sea), but these are rare edge cases (and
we'll surely find a solution) while you have literally invented duplicate
tags for everything from toilets to restaurants. And bridges. And military
areas. And...

Rather than inventing a new tag for every object in the S-100 catalogue you
should look what of these is already covered with standard osm tags and
modify your editor presets accordingly.


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