>
> Marko,
>
>> On Thu, Jan 28, 2010 at 08:56:42PM +0100, WanMil wrote:
>>> Current mp implementation does not remove polygon tags from unclosed
>>> ways. I have observed that the unclosed polygons sometimes are closed in
>>> a later step of mkgmap. This causes flooding of areas around seas.
>>> Finnland is a great test area for this.
>>
>> Thanks for testing Finland, WanMil!  Please wake me up when it mostly works,
>> and I will enable generate-sea for my map, and flood you with further bug
>> reports if needed. :-)
>
> What happens if you use polygons rather than multipolygon for the sea
> generation? If it still floods with polygons, the problem is in the sea
> code, not in MP code.

That statement heals my mp coders soul ;-))

>
>>> Attached patch removes all polygon tags from ways that are used in
>>> multipolygons.
>>
>> I am happy to commit it for you, if someone gives positive feedback first.
>> Or perhaps Mark can test and commit it?
>
> I will be happy to commit it when I understand what it does, I will
> look at it soon.

It removes all tags known as polygon tags (natural, boundary, landuse 
...) from the original non closed ways.

WanMil
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