This map was made with the help of mkgmap software. This software converts OpenStreetMap data into
Garmin .img file format so that it can be loaded onto compatible GPS
units.
To understand the basics, first read the description how to use mkgmap and the tutoria How to create free maps for your Garmin GPS unit Terms of use Software:
Custom files (the latest source code can be found on Github)
Procedure 1) Download the latest europe.osm.pbf extract (or for example the netherlands.osm.pbf if you are only interested in one country) and (optional) add contours (see below) 2) Split the file with the mkgmap splitter with the following java command: java -Xmx1024m -jar c:\directory\splitter-r(latest)\splitter.jar --output=pbf --output-dir=splitter --max-nodes=1400000 --mapid=10010001 --geonames-file=cities15000.txt --poly-file=benelux.poly europe.osm.pbf 3) Compile the splitter output (osm.pbf files with a template.args file) with mkgmap into garmin img's: java -Xms1024m -Xmx1024m -jar c:\directory\mkgmap-r(latest)\mkgmap.jar -c osm_bnl.args -c splitter\template.args 10010.txt 4) Run the mapsource installer: "c:\Program Files\NSIS\makensis.exe" openfietsmap.nsi The installed map is converted into the new Garmin gmap / Mac OSX format with Javawa's Mapconverter Use the client version to implement it in the workflow: jmc_cli -src=source_folder -dest=destination_folder -bmap=10010000.img -gmap="Openfietsmap (BNL).gmap" Contour lines can be created with Phyghtmap For my maps I get already prepared contour data from Freizeitkarte-osm.de In order to combine the contours with the geofabrik extract, you need to convert the contour data to o5m format with osmconvert osmconvert Hoehendaten_Freizeitkarte_EUROPE.osm.pbf -o=contours_europe.o5m Then combine them with europe.osm.pbf, also with osmconvert:
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