[mkgmap-dev] splitter r246

Tue Nov 27 11:58:51 GMT 2012

> 
> the reason for the error is the new split algorithm introduced with 
> splitter r245 and r246. But the split algorithm is *not* defective. It's 
> more an unfortunate combination of circumstances.
> 
> The new split algorithm created the tile 66923055 which covers most of 
> iceland and a very small part of germany. You are using an europe 
> coastline file which means that the whole coastline of this tile should 
> be generated. But this is not iceland and germany only but also big 
> parts of scotland, ireland, england and the west coast of norway. This 
> big amount of data exceeds the tile limits which causes the given error 
> message.
> The split algorithm was working correctly by putting not more than the 
> configured number of nodes into the tile: 1200000. (I did not check that 
> but I assume this is correct.) But this does not and cannot consider the 
> coastline part blanked out in your input data (iceland+germany).
> So with your "two part input data" you have to edit your areas.list file 
> to avoid such situation.

I think the solution would be to use the new polygon-file parameter.
If splitter would not generate tiles which have large parts outside of
the polygon (this is on my todo list now) it would be unlikely that 
the coastline data adds many points.

Do you agree?

Gerd

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