[OSM-dev] Tagging of multipolygons with holes within holes

[Igor Brejc]

Hi,

Here's another complex multipolygon that I'm not sure the Wiki properly
addresses: http://www.openstreetmap.org/browse/relation/11104

Situation: there are several holes within holes (
http://www.openstreetmap.org/browse/way/143604319 is one). The geometric
situation is clear (and wiki covers that in
http://wiki.openstreetmap.org/wiki/Relation:multipolygon#Island_within_a_hole
).

But the problem is in how to handle tagging in this case. The existing wiki
"rules" describe only the tagging of top outer rings, but they don't
mention how to handle various cases/combinations of tagging holes within
holes.

Igor
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