[OSM-dev] Tagging of multipolygons with holes within holes
Igor Brejc
igor.brejc at gmail.com
Wed Oct 17 11:48:51 BST 2012
On Wed, Oct 17, 2012 at 11:19 AM, Martin Koppenhoefer <
dieterdreist at gmail.com> wrote:
>
> Mixing tags from the outer ways and the relation to interpret what
> kind of object the relation represents is odd. Things would be much
> clearer if tags applying to the relation must go into the relation and
> would never be inherited by outer ways. This would be obvious if we
> had a "multipolygon-area kind of data type" like Jochen suggests.
>
>
Another thing that's odd is the duality of inner rings: they represent
holes, but they can also represent holes AND separate polygons at the same
time. Decision on which is which has to be made based on a vague notion of
"difference" in tagging.
Igor
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