I created a contour map using the following lines in mkgmap java -Xmx512m -jar mkgmap.jar --tdbfile --gmapsupp --latin1 --country-abbr=PHI --country-name=PHILIPPINES --family-id=439 --product-id=478 --overview-mapname=30000001 --mapname=20000001 --gmapsupp --transparent --description="Contour Elevation" *.osm.gz To view it in mapsource I need to make a registry, I found a sample registry which I then modified like this: REGEDIT4 [HKEY_LOCAL_MACHINE\SOFTWARE\Garmin\MapSource\Families\30000001] "ID"=hex:7f,02 [HKEY_LOCAL_MACHINE\SOFTWARE\Garmin\MapSource\Families\30000001\2a6] "LOC"="C:\\CONTOUR\\" "BMAP"="C:\\CONTOUR\\30000001.img" "TDB"="C:\\CONTOUR\\30000001.tdb" Looking at the sample registry here: http://wiki.openstreetmap.org/wiki/OSM_Map_On_MapSource#Tech_stuff It looks different. And I don't what the hex here means: [HKEY_LOCAL_MACHINE\SOFTWARE\Garmin\MapSource\Families\30000001] "ID"=hex:7f,02 [HKEY_LOCAL_MACHINE\SOFTWARE\Garmin\MapSource\Families\30000001\2a6] What would be the minimum registry entries and what values should I place? -- cheers, maning ------------------------------------------------------ "Freedom is still the most radical idea of all" -N.Branden wiki: http://esambale.wikispaces.com/ blog: http://epsg4253.wordpress.com/ ------------------------------------------------------