Create custom OpenFietsMap

Create a directory for the openfietsmap files: mkdir openfietsmap
Go into this directory: cd openfietsmap
Clone the mkgmap style sheets repository: git clone https://github.com/ligfietser/mkgmap-style-sheets.git
Copy the mkgmap style sheets to the current directory: cp -r "mkgmap-style-sheets/styles/Openfietsmap full"/* .
Create a directory Styles
Copy the Openfietmap Full style directory to Styles: cp -r "mkgmap-style-sheets/styles/Openfietsmap full"/* Styles/
Copy the file 20011.txt from the Openfietsmap lite directory: cp "mkgmap-style-sheets/typ/Openfietsmap lite"/20011.txt .
Download the file cities15000.txt from: http://download.geonames.org/export/dump/cities15000.zip (unzip to get .txt)
Download splitter from: https://www.mkgmap.org.uk/download/splitter.html (splitter-r653.zip)
Download mkgmap from: https://www.mkgmap.org.uk/download/mkgmap.html (mkgmap-r4916.zip)
Download sea-latest.zip from https://www.thkukuk.de/osm/data/sea-latest.zip and rename to sea.zip
Download bounds-latest.zip from https://www.thkukuk.de/osm/data/bounds-latest.zip and rename to bounds.zip
Extract splitter and mkgmap using unzip
Create a directory DEM: mkdir DEM
Go to https://geo.javawa.nl/srtm/index.php, select the region you are using and download each file listed on the right (use the lowest resolution available)
Extract and move the contents of all height maps to the DEM directory
Edit mkgmap.args and replace map_with_dem_files with DEM
Create bounding box using: https://boundingbox.klokantech.com/
Draw polygon around desired area. Select KML in the lower left corner and click the copy to clipboard icon
Paste the KML data into a new file (it is not actually in KML format). Edit the ploygon file to list coordinates 1 per line, start each line with 2 spaces, replace comma (,) with 2 spaces
Add header:
- beneluxswgermany
- 1
Add footer:
- END
- END
Save the file as beneluxswgermany.poly (See beneluxswgermany.poly)
Download .osm.bpf file from http://download.geofabrik.de/europe.html
- http://download.geofabrik.de/europe-latest.osm.pbf
Split Europe files in pieces and limit to polygon:
- java -Xms4096m -Xmx4096m -jar <path/to/splitter.jar> --output=pbf --output-dir=splitter --max-nodes=1400000 --mapid=10010001 --geonames-file=cities15000.txt --polygon-file=beneluxswgermany.poly europe-latest.osm.pbf
Create image file for installing on Garmin:
- java -Xms4096m -Xmx4096m -jar <path/to/mkgmap.jar> --gmapsupp -c mkgmap.args -c splitter/template.args 20011.txt

Create custom OpenFietsMap

See also