On 20/07/2015, Greg Troxel <[email protected]> wrote: > > Warin <[email protected]> writes: > >> On 20/07/2015 1:08 AM, Greg Troxel wrote: >>> So perhaps a relation that carries the border tag with two ways as >>> members. The relation would have the boundary tags, and also a disputed >>> tag of some sort listing the set of countries involved in the dispute. >>> Then each member way has a tag of which country (countries really, but >>> only those adjacent) thinks that way is the border. We could require >>> that the ways making up the relation make up a closed area, >>> >>> This could get tricky for 3-way or more situations, but it seems >>> reasonably straightforward for the described case. >> >> I'd use the tag >> >> source= ? >> >> That does simply state the source of the information... why add another >> tag that does the same thing? > > It's not about the source (which is how you found out a fact). It's > which party is asserting something, whcih is part of the fact. > > Also, the point is to be machine parseable.
How about: * Map each boundary as that boundary's country sees it, allowing overlaps. So the France boundary relation is according to France's views, and vice-versa for Italy. * Create a relation containing the boudary relations as members, with roles litteraly set to either "opinion_a" or "opinion_b", and the tags type=dispute, dispute:opinion:fr=a, dispute:opinion:it=b, dispute:opinion:united_nations=a, dispute:negociations=peacefull (not suggesting that the UN either sides with France or is the sole pan-governmental organisation whom OSM should tag the opinion of). * Setup a QA looking for overlaping boundaries without an acompanying dispute relation * Work on renderings to take this into account. There's no need to add a disputed=yes tag to the boundary relations themselves, the fact that they're members of a dispute relation is enough. While that dispute relation sounds nice to me, it may be a bit naive. It really needs a review from people familiar with various disputes and with potential data consumers such as renderers and geocoders. For example, what if a country has multiple disputes with neighbouring countries ? Does puting the boundary ways instead of the boundary relations as members of the dispute relation work as well ? _______________________________________________ Tagging mailing list [email protected] https://lists.openstreetmap.org/listinfo/tagging
