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[mkgmap-dev] Commit r3679: overview_levels_v3.patch

From svn commit svn at mkgmap.org.uk on Wed Jul 20 06:27:16 BST 2016

Version mkgmap-r3679 was committed by gerd on Wed, 20 Jul 2016

Fix possible problems with 0x4a polygons in the overview map when tiles with different levels are merged into one map

The old code used only the first processed tile to calculate the level 0 resolution for the overview map.
The patched version collects all 0x4a tiles and - if needed - reduces the resolution so that the largest tike 
can be written without problems.


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