[mkgmap-dev] DEM file options do not work

Wed Aug 26 16:48:19 BST 2020

Hi Bernhard,
you did not provide any input file for which the DEM data should be added.
Cioa,
Gerd

---- Bernard Mai schrieb ----

Dear All,

I am trying to generate a Garmin map containing not only the OSM data
and contour lines but also some DEM data to display a hill shading in
BaseCamp and on the Garmin device. The general map creation works fine
(osm data + contour lines) using the process described on my website
(www.maiwolf.de/gps<http://www.maiwolf.de/gps>).
But so far I fail to use the previously described --dem options. I am
using the latest mkgmap release and the following command line:

java -Xmx2000M -jar D:[path to mkgmap]mkgmap.jar --dem=C:\hgt
--dem-interpolation=auto --dem-dists=3312,3312,3312,13248,26512
--overview-dem-dist=88368

Some example .hgt files are found in the "C:\hgt" folder. Yet nothing
happens. No error and no output.
So I am wondering if my command line is wrong and if the latest mkgmap
version is still having the capability to generate dem data files.

I would appreaciate if somebody could describe a successful process in
more detail.

Regards,
Bernard
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