Garmin jnx file manipulation utility for Linux.

• Read content of the jnx file.
• Edit header and map, level description blocks.
• Export tiles to GeoTIFF format files. (requires GDAL for build).

• cmake -DWITHOUT_GDAL=1 -DCMAKE_INSTALL_PREFIX="/usr" ./ # export tiles disabled
  OR
  
• cmake -DCMAKE_INSTALL_PREFIX="/usr" ./ # export tiles enabled
• make
• sudo make install
  OR
  
• open jnxutil.cbp in CodeBlocks