Hi Andrzej,

okay, now I see what happens. You feed a map containing a big part of Europe
to splitter, and you want to cut out a rectangular area covering Germany, and this part
should be devided into 5 tiles using the --num-tiles=5 option.
Correct?

So, this is a special case as your bounding polygon is already a rectangle.
I'll see if I can add code to handle this case.

Gerd

Date: Tue, 14 Oct 2014 16:12:44 +0200
From: popej@poczta.onet.pl
To: mkgmap-dev@lists.mkgmap.org.uk
Subject: Re: [mkgmap-dev] Can't split into big tiles

Hi Gerd,
 
maybe it was my fault, I can't repeat the problem with split into 50M 
nodes. Now I get 5 tiles which is ok. Probably my previous input data 
contained duplicated ID numbers.
 
As for split with --num-tiles=5, I get info:
"Polygons are ignored because parameter --num-tiles is used"
I guess it is about --polygon-file parameter.
 
If bounding poly is not used, then tiles can be bigger. I think you 
could convert polygon into bounding box to limit area. Without bounding 
poly, calculated aspect ratio is of no use for tiles at boundary.
 
I'm attaching logs for splitting, there was no densities-out.txt.
 
-- 
Best regards,
Andrzej

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