[Tagging] Add some tag to identify disputed borders

[Noémie Lehuby]

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-request at openstreetmap.org a écrit :
> Date: Fri, 26 Oct 2018 13:16:20 -0400
> From: Yuri Astrakhan <yuriastrakhan at gmail.com>
> To: "Tag discussion, strategy and related tools"
> 	<tagging at openstreetmap.org>
> Subject: Re: [Tagging] Add some tag to identify disputed borders ?
> Message-ID:
> 	<CAJGfNe86+iRy5dPz6Uhdwzwr==baSBZ0qKS=vUbnacybJszTdA at 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.lehuby at 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
>>
>> _______________________________________________
>> Tagging mailing list
>> Tagging at openstreetmap.org
>> https://lists.openstreetmap.org/listinfo/tagging
>>
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