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[mkgmap-dev] a new DEM-File Option

From Gerd Petermann GPetermann_muenchen at hotmail.com on Thu Oct 26 08:15:16 BST 2017

Hi all,
while Frank is improving his program I'll try to implement his findings in the already existing display tool program DemDisplay, see

Up to now it only displays some header infos, I should now be able to code a decoder for the bitstreams. This will help to debug and find special cases.

Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von osm at pinns <osm at pinns.co.uk>
Gesendet: Mittwoch, 25. Oktober 2017 20:12:52
An: mkgmap-dev at lists.mkgmap.org.uk
Betreff: Re: [mkgmap-dev] a new DEM-File Option

The same happens with me but only when I set my level to higher than medium.

On 25/10/2017 18:28, lig fietser wrote:

Hi Frank,

Your tool is great, thanks for implementing this. I have tried it on the latest OFM Benelux map. The tool is complaining about missing DEM tiles (I've downloaded it from http://www.viewfinderpanoramas.org/Coverage%20map%20viewfinderpanoramas_org3.htm

I noticed those missing tiles in the Netherlands, it also produces grey empty tiles, see



Any idea how to solve this?

Is it also possible to make a DEM map from a direectory with the regular img tiles (not the gmap version) and how?

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