[mkgmap-dev] [mp: PATCH] Multipolygon handling - decomposed polygons

Fri Jan 8 19:12:58 GMT 2010

Lake Neusidel in Austria is divided by the country border to Hungary. 
Therefore I suppose it is not completely contained in the OSM file. At 
the moment the algorithm is very strict with discarding non closed ways.
This has to be addressed in one of the next versions.

WanMil

> Well speed seems improved...
>
> however "lake Neusidel" / "Neusiedler See" in Austria is now "empty" in
> some places where before it was filled with water. In general it seems
> to be working great (and very quick). Of course missing the ways makes
> it not production ready yet.
>
> On 07.01.2010 23:39, WanMil wrote:
>> I have made some improvements to the multipolygon branch.
>>
>> Changes:
>> * Polygons with inner polygons are now divided into several polygons.
>> It's much faster and the PolygonSplitter cannot destroy them any more.
>> * Improved tag handling. The tags from original ways are removed. This
>> has the disadvantage that non polygon tags like highway are destroyed.
>> This must be fixed within one of the next patches.
>> * Added a FakeIdGenerator that creates unique fake ids for elements
>> created by mkgmap. The Osm5XmlHandler has been adapted to that.
>>
>> As before I am happy about any (good and bad) feedback!!
>> WanMil
>>
>> Note: The code is not ready for the trunk. Some documentation and
>> better method naming will be applied in one of the next patch.
>>
>>
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>
>
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