[mkgmap-dev] mkgmap creates polygons that break Mapsource panning and also routing in some zoomlevels as well as crashing the GPS

Thu Sep 3 23:22:49 BST 2009

Hi Felix,

Well, I don't have much to offer at this time regarding this problem.

Given that the issue has gone away in recent versions of mapsource, it
makes me think that it is a bug/feature/limitation in the garmin code
which they have subsequently fixed.

Obviously, we want your map to work with old gps or mapsource too so it
would be very good to find a workaround.

I'm not saying that it can't be a bug in our code, but if we focus
only on looking for a bug we may miss clues as to what the real
problem is.

So, the attached patch has the effect of reducing the size of the map
subdivisions to be 1/4 of what they are now. I don't expect it to make
any difference but if you could please try the patch, at least it would
rule that out.

Cheers,

Mark
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