[mkgmap-dev] DEM file options do not work

Sat Aug 29 06:48:45 BST 2020

Hi Bernard,
AFAIK the only good solution is to have the DEM data in the tile that contains the road data (NET,NOD). No idea why Garmin doesn't support your approach.

Ciao, Gerd

---- Bernard Mai schrieb ----

Dear Joris and Gerd,

thanks for your elaborate answers.

I think I have figured it out. Main problem was my misunderstanding where to put the dem-options. If I put them correctly into the batch file which I use to generate the elevation .img files I get a nice hillshading in Garmin Basecamp. Still missing is the possibility to generate elevation profiles in Basecamp (using tracks generated in Basecamp) and to see the "height" on any position using the mousepointer. For this I have to puzzle harder or does somebody have any idea?

Here I include my working command line as it might be interesting for the community. This results in a collection of .img files containing elevation contour lines and hill shading:

java -Xmx2000M -jar [...path to mkgmap ...]\mkgmap.jar --show-profiles=1 --dem=[...path to hgt file folder ...] --dem-interpolation=auto --dem-dists=3312,3312,13248,26512,53024 --style-file=[...path to mkgmap style...] --transparent --draw-priority=20 --family-id=30 --mapname=90300001 [...path to collection of splitted elevation data files ...]\9030*.osm.pbf

Regards,
Bernard
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