[mkgmap-dev] BoundaryCoverageUtil

Tue Mar 13 10:36:08 GMT 2012

Hi WanMil,

it's a combination of errors. OSM data is incorrect because it contains two
admin-level 4 
boundaries that intersect (r1561776 and r349048) The program is incorrect
because it doesn't 
tag this intersection with admin-level 2 information.
The trunk version doesn't care about intersections of equal levels and
produces better results.
I try to find a fix for mkgmap.

Gerd

WanMil wrote
> 
> Hi,
> 
> I have commited a new tool BoundaryCoverageUtil to the performance 
> branch. Thanks to Gerd who ported it to the new boundary format.
> 
> I have tested it with freshly compiled boundaries of africa and found 
> some mysteries. http://files.mkgmap.org.uk/detail/60 contains a zip file 
> with the coverage of africa with admin_level=2 (as GPX). If you look at 
> the Canaries you see that the sea boundary is ok, but there is a hole 
> along the coastline.
> 
> I haven't started to track down the problem but maybe you have an idea, 
> Gerd?
> It is possible that the boundary data is wrong, or the Preparer has a 
> problem or that the coverage util fails.
> 
> WanMil
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> mkgmap-dev at .org
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> 

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