Garmin maps
From Navit's Wiki
There is an experimental driver for Garmin IMG maps.
It's located here: http://libgarmin.sourceforge.net/ You will need the 'subversion' (svn) tool to install this driver.
You can search a map for your area at: http://gpsmapsearch.com/ http://mapcenter2.cgpsmapper.com/
You can build your own from OSM data see: http://wiki.openstreetmap.org/index.php/Mkgmap
Driver supports only maps that are not locked! Some of original Garmin maps are such, MetroGuide europe for example is NOT locked. But most of them are locked!
Please give us feedback / bug reports/feature requests/success stories about this driver either in navit tracker or mailto:libgarmin@gmail.com.
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Prerequisites
First, get libgarmin from svn, and install it, as usual :
svn co http://libgarmin.svn.sourceforge.net/svnroot/libgarmin/libgarmin/dev libgarmin cd libgarmin ./autosh.sh make
And, as root :
make install
How to build the driver
Be sure to update navit to latest cvs
reconfigure and build navit.
cd ../.. ./autogen.sh && ./configure && make
Configure your map source
Now add your first garmin map to navit.xml
<mapset enabled="yes">
<map type="garmin" enabled="yes" data="/path/to/gmapsupp.img"/>
</mapset>
Where you can give it either dskimg file (gmapsupp.img) or a .tdb file
Install a free basemap from Garmin
You can download a free base map from garmin. http://www8.garmin.com/support/download_details.jsp?id=3645
After you get GarminMobileXTFreeBasemap_4xxxx.exe, unzip it to some temporary directory. In GMobileCard/Garmin directory you will find a file called gmapbmap.img. Copy that file in some location for later use, let's say /mymaps/gmapbmap.img . Now you can remove the temporary directory. And register the map in your navit.xml
<mapset enabled="yes">
<map type="garmin" enabled="yes" data="/mymaps/gmapbmap.img"/>
</mapset>
