[mkgmap-dev] Multipolygons and disappearing coastlinesFrom Apollinaris Schoell aschoell at gmail.com on Sun Dec 27 15:06:03 GMT 2009
> > > 2. The PolygonSplitter destroys the polygons created by the current > multipolygon code. Up to now I do not fully understand if thats a > problem or not. But I would feel better if someone could replace the > usage of the java.awt.Area class with some code that does not remove the > mulitpolygon connections between outer and inner rings. yes this is a problem. polygons across multiple tiles are broken. It's not possible to close a polygon by a reliable algorithm. instead splitter should keep all members of a polygon and mkgmap can clip at tile boundary. Have no Java knowledge but can provide a small example to demonstrate it.
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