[mkgmap-dev] creating garmin map layer from gpx tracks

Sun Aug 5 13:22:02 BST 2012

Hello,

just an idear:
	did you set a higher draw-priority to your transparent overlay map?

Hasemann

Am Sonntag 05 August 2012, 11:21:10 schrieb Andreas B. Mundt:
> Hi,
> 
> I am trying to create a transparent garmin gmapsupp.img layer from gpx
> tracks.  The idea is to merge this layer (it contains special cycle
> routes) in the end with another gmapsupp.img containing the map.
> 
> I did the following:
> 
> Load all tracks in josm, convert to a data layer and tag the tracks
> highway=cycleway.  Then save as paths.osm.
> 
> Use the command
> 
>     mkgmap --gmapsupp --transparent --remove-short-arcs --style-file=XXXX 
> paths.osm
> 
> to convert the data to a gmapsupp.img file.  As style file I use the
> stuff that is used to create the map containing all other data.
> 
> However, the gmapsupp.img created from the tracks looks like empty if
> loaded onto the GPS device, nothing shows up, as if the map covers no
> area at all.
> 
> What's wrong with my approach?  How can that be done?
> 
> Many thanks in advance,
> 
>      Andi
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