On Sun, Aug 16, 2009 at 12:49 AM, Christian
Gawron<christian.gaw...@gmx.de> wrote:

> With this version of the patch, the intersection of the bounding box and the
> landmass does not have to be simply connected as in version 3 of the patch.

Hm... I tried out this patch with a tiled map of Germany. The results
were kind of amusing: pretty much all of Germany was flooded, with the
exception of some areas around Lübeck. I suppose this is because I am
using an extract (from Geofabrik) which cuts off coastline at the
country border.

Creating automatic sea polygons which will work in practice appears to
be a rather non-trivial problem.

Cheers and thanks for your work on this.
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