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[mkgmap-dev] missing coastline polygon lately

From maning sambale emmanuel.sambale at gmail.com on Wed Sep 8 12:26:04 BST 2010

Dear Marko,

Thanks for the explanation.  I've checked my old builds and there
aren't any data outside the Philippines.
I'll check the latest extract if there by getting only the coastlines
ways using osmosis and josm.

On Wed, Sep 8, 2010 at 3:03 PM, Marko Mäkelä <marko.makela at iki.fi> wrote:
> Dear Maning,
>>> Unless your map extract is a perfect island, you may have to move the
>>> coastline endpoints to make mkgmap happy.
>>I think it is, the Philippines is an island/archipelagic country:
> What matters is the map extract that you are using. If it contains
> half-cut islands from, say, Indonesia, then mkgmap may have problems
> with that.
>>> coastline generation for Finland, I both adjusted the Geofabrik
>>> cutting polygon (it took a few iterations with Frederik Ramm) and
>>> moved the endpoints of the mainland coastline to the tile boundaries
>>Do you mean using splitter?  I am not using splitter at the moment
>>since the data is small enough as one img.
> No, I mean the map extract that I can download from
> http://download.geofabrik.de/osm/europe/. To my knowledge, it is cut by
> Osmosis, using a cutting polygon. I requested the polygon from Frederik
> and adjusted it a little, so that all of the Finnish administrative
> boundary was included in the extract and all lake multipolygons near the
> border were intact.
> I do use splitter to split the map extract further (currently into 6
> tiles), but that is a separate issue.
>        Marko
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