The addition of the medium level was possible by modifying the files associated with the simple photo panel, photos panel at points of view and video panel.
The program works fine with eclipse or a runnable jar.
Quality 0 : 3D view
Quality 1 : default global illumination
Quality 2 : contrasting global illumination
Quality 3 : indirect global illumination
Is there a manipulation to do if the jar file not running on another computer?