[Tilesathome] New close-coastline trouble tile

[John Bäckstrand]

spaetz wrote:
> I rendered lowzoom tile (xy 136 77 8) which is Göteborg. The coastline download is a 15MB osm file downloaded via the zappy API (I have it saved if somebody needs it). Close-coastlines renders a blue rectangle over the whole z8 tile, so that Göteborg is completely underwater now.
>
> The coastline is a hellish thing. I couldn't find a way to see whether it's all ok or and there's some closed-coastline bug or whether it contains a hole somewhere.
>
> Is there a josm plugin to check whether coastline is uninterrupted? Does anybody have any tools or ideas to check that area?
>
>   
I've written a Groovy program to follow coastline from either the api or 
from a osm file. Its here if anybody want to take a look at it:

http://sandos.se/~sandos/coasthelper.7z

The plan is to eventually make it useful for uploading archipelago 
created with the coastline script.

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John Bäckstrand