[Tagging] Groups of islands, how to tag?
Willi
willis at gmx.de
Fri Nov 19 09:08:19 GMT 2010
On 19. November 2010 13:40 Andrew Errington [a.errington at lancaster.ac.uk]
wrote:
> I wish to tag an island with its name. Except that the name refers to a
> group of islands, and each of these islands have their own name.
> http://www.openstreetmap.org/?lat=37.24164&lon=131.86871&zoom=16&layers=M
> The name is Dokdo (-do is Korean for 'island'), but this is the name of
> the group of islands (two main ones and some smaller named rocks around
> them). There is no single island called Dokdo. The two main islands in
> the group are Seodo (Seo is 'West') and Dongdo (Dong is 'East').
> So I suppose there are two questions:
> 1) What is the correct way to tag a group of islands with their well-known
> name when the names of the individual islands are not well-known or
> commonly used and are different to the name of the group?
> 2) If the answer is 'use a relation', have I done it properly, and if so,
> why isn't Mapnik rendering the name properly?
1) Imho it's mapped correctly using a multipolygon relation.
2) If and how a feature is rendered is up to the renderer. The mapper can't
and imho shouldn't try to control this.
Two examples:
http://www.openstreetmap.org/browse/relation/963669
http://www.openstreetmap.org/browse/relation/963209
Happy mapping
Willi
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