[mkgmap-dev] DEM file options do not work

Sun Aug 30 21:08:09 BST 2020

Thanks Felix, I'll try it. I just preferred to have separate DEM/contour 
lines tiles, but combining them will be OK.

El 30/8/20 a las 18:02, Felix Hartmann escribió:
> it's fine as long as you don't use empty maps. Just make a DEM 
> contourlines layer. Not an DEM layer and a contourlines layer.
>
> On Sun, 30 Aug 2020 at 16:15, Carlos Dávila 
> <carlos at alternativaslibres.org <mailto:carlos at alternativaslibres.org>> 
> wrote:
>
>     Hi Gerd
>     Does it mean it is imperative DEM tiles have the same bounding box
>     that
>     tiles containing OSM data? I ask because I have recently tried
>     building
>     DEM img's with no OSM data (empty style) and then combining them with
>     OSM tiles, in the same way I do with contour lines tiles, but
>     MapSource
>     crashes as soon as I click on "Show route profile" button. I would
>     like
>     to be able to reuse DEM tiles, so that it is not necessary to
>     build them
>     each time I update a map. This approach works fine for contour lines,
>     but I didn't succeed for DEM.
>     Regards,
>     Carlos
>
>     El 29/8/20 a las 7:48, Gerd Petermann escribió:
>     > 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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>
>
>
> -- 
> Felix Hartman - Openmtbmap.org & VeloMap.org
>
>
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