Hi Minko,

thanks for the link. I  tried the biking map.
This map seems to avoid the problem. They don't set the extra flag that is 
causing trouble,
that means the DEM data doesn't contain voids (or invalid/unknown heights), and 
they don't use irregular bounds so they
don't have a need to mark height values as "invalid" or "unknown" .
I assume that they have interpolated the voids in the hgt file (if any).

They also seem to prefer splits at 1/2 degrees for lat and lon while also 
aligning the upper left corner
to multiples of dem-dist which is the common 3312.
So, maybe that's they way to go.

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-boun...@lists.mkgmap.org.uk> im Auftrag von lig 
fietser <ligfiet...@hotmail.com>
Gesendet: Sonntag, 4. Februar 2018 11:13
An: Development list for mkgmap
Betreff: Re: [mkgmap-dev] My findings about the crash in MapSource

Hi Gerd,
Maybe you can have a look here: http://openmaps.eu/garmindownload


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