Hi,

Any thoughts about this ?

Should we consider the dispusted=yes tag on boundary ways as a /de facto/ standard and uniformize a few borders ? Should we create a proposal about this tag ? The borders data do not fit the doc and the statement from the Foundation and are not really usable right now...

Noémie Lehuby
Qwant Research

Le 26/10/2018 à 20:52, tagging-requ...@openstreetmap.org a écrit :
Date: Fri, 26 Oct 2018 13:16:20 -0400
From: Yuri Astrakhan <yuriastrak...@gmail.com>
To: "Tag discussion, strategy and related tools"
        <tagging@openstreetmap.org>
Subject: Re: [Tagging] Add some tag to identify disputed borders ?
Message-ID:
        <CAJGfNe86+iRy5dPz6Uhdwzwr==baSBZ0qKS=vubnacybjsz...@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Another related issue -- maritime disputed borders. In the case of Crimea,
the disputed border with Russia is over water, thus not showing clearly in
many renderings, and over land with Ukraine, showing as a solid line - thus
appearing to side with the Russian interpretation.

A while ago Paul Norman wrote osmborder tool to help with the disputed and
maritime border rendering [1].  His tool mostly uses disputed=yes . The big
problem with rendering was that multiple borders
(city/county/state/country) were all overlapping one on top of the other,
producing a solid line. Instead, when drawing there should always be just
one line with the lowest admin level.

[1]:  https://github.com/pnorman/osmborder

On Fri, Oct 26, 2018 at 12:05 PM Noémie Lehuby <n.leh...@qwant.com> wrote:

Hello,

There seems to be no actual consensus on the way to map disputed borders.
The statement from the Foundation
<https://wiki.osmfoundation.org/w/images/d/d8/DisputedTerritoriesInformation.pdf>
recommend to map the border that "best meets realities on the ground" but
it's not what is actually in our database:
See for instance :
https://www.openstreetmap.org/#map=12/45.8481/18.8378
https://framapic.org/kIvnPSllBtnv/h1J8xti7US1F.gif
Both borders (according to Croatia vs according to Serbia) are mapped.

The same between Soudan and South Soudan:
https://framapic.org/lcWCkmek7L7i/icYVenvHzPZs.gif

In some places, there are boundary=disputed or dispute=yes on the boundary
ways, which is very convenient for a map-maker to know that there is a
dispute on these border and that you may want to render it with a different
style (or use another source).
Should this practice be generalized on all disputed borders or at least
submitted as a proposal ?

--
Noémie Lehuby
Qwant Research

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