[Tagging] Add some tag to identify disputed borders

Eugene Alvin Villar seav80 at gmail.com
Fri Nov 23 16:33:50 UTC 2018

On Wed, Nov 14, 2018 at 5:30 PM SelfishSeahorse <selfishseahorse at gmail.com>

> 1. 'inner' roles (and thus 'outer' roles too) are still needed in case a
> country has enclaves.

Even if a country has exclaves and/or has enclaves within it, you still
don't need to have "inner" and "outer" roles at all in order to make sense
of the (multi)polygon. They are there as a hint to fix hopelessly broken
multipolygon relations, but if such a relation is not broken, the "inner"
and "outer" roles are actually superfluous. For instance, the program
osm2pgsql actually has a check function named "check_inner_outer_roles"[1]
to identify relation member ways having the wrong roles in a
type=multipolygon or type=boundary relation. It is able to do this check
precisely because it is able to analyze a multipolygon relation and be able
to infer the correct roles for itself.

We should be therefore able to repurpose the roles in a type=boundary
relation to store information about claimed, "de facto", and "de jure"

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