"Mkgmap is a command line utility that converts OpenStreetMap data into vector maps that can be loaded onto a Garmin GPS device. It does the conversion in one step without depending on any other program. Mkgmap only supports the OSM map data format. "
Creating a mapCreating a map consists of several steps.
- Download OSM data
- Split the OSM data into tile using the tile splitter
- Create your own map style files (optional)
- Compile the tiles with mkgmap
- Upload the map to your GPS
http://wiki.openstreetmap.org/wiki/Mkgmap on 23/05/2017