The key feature would be making a unlimited number of layers. You would get a list of layers with tabs that can toogle is layer visible on map. For each layer you can set the unit group. For example:
Land pathing - unit group: all land units.
Build pathing - unit group: all building.
Air pathing - unit group: all flying.
Water pathing - unit group: groupwater1 or Fregate, Raft, Battleship or anything you would like.
I wold like a sugest an better pathing editor.
The key feature would be making a unlimited number of layers. You would get a list of layers with tabs that can toogle is layer visible on map. For each layer you can set the unit group. For example: