Eagle CAD
Eagle CAD Tips and Tricks
To turn polygons off, select ripup tool, ripup polygon, then write this command:
>set poly off
To turn them on, type this command:
>set poly on
Hide GND unrouted airwire
> ratsnest ! GND
Unhide GND unrouted airwire
> ratsnest GND
Unhide a specific signal
> ratsnest <signal name>
Unhide all airwires
> ratsnest *