[Tilesathome] Coastline loaded for latitude 60 and higher
Dirk-Lüder Kreie
osm-list at deelkar.net
Sun Nov 2 21:38:10 GMT 2008
Maarten Deen schrieb:
> Dirk-Lüder Kreie wrote:
>> Matthias Julius schrieb:
>>
>>> Without looking at close-areas.pl this doesn't seem to be the case.
>>> Islands on a tile where the coastline does not cross tile borders are
>>> rendered inverted. We might call that a bug in close-areas.
>> If the coastline is closed, and does not cross the tile border it has to
>> guess wether it's sea with islands (which should be the default) or
>> lakes on land.
>
> But land is supposed to be on the left side of the way. Keeping that in mind
> you should always know where land is.
It's apparently not that easy to calculate, so yes, it *should* know
where land is, but it is not easily done, especially if you have quite a
few islands and/or "interestingly shaped" coastline. It of course
becomes impossible if there is an error in one of the coastlines.
--
Dirk-Lüder "Deelkar" Kreie
Bremen - 53.0952°N 8.8652°E
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