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I created a multipolygon a few weeks ago. It is the Harding Ice Field near Homer, Alaska. The individual members are glaciers and most of them have specific names. However, when viewed on the slippy map or in the web-based map at OpenStreetMap.org, the name of one of the glaciers is the only one visible, Nuka Glacier and it shows as the name of ALL of the glaciers. (Nuka Glacier (id:272254378)) The Harding Ice Field is a multipolygon defined as: Relation Harding Ice Field (3632894) (as outer) and a view of the general area is here (zoom out to see the entire ice field) I've checked and rechecked but can find no reason for this behavior. Any suggestions? |
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There are a lot of broken multipolygons in the world. The software that imports the OSM data for rendering tries to fix these. In this case it thinks the multipolygon is broken, because there is no tag on the multipolygon that defines what it is. There is only a name tag (and source, but that is ignored). So it uses the tags from one of the "outer" members for the whole multipolygon. Try putting Another option to try is using a new tag like I intentionally did not tag the multipolygon with natural=glacier because it is not a glacier, per se, but a collection of several individually named glaciers. I will try putting natural=icefield on the multipolygon and see what happens. Thanks for your suggestions.
(18 Jun '14, 00:42)
AlaskaDave
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