I need to get my front rotors turned, How the heck do you get them off? Are they attached to the hub? opening the front of the hub didn't really reveal much. Is the hub and rotor one peice? There appears to be a crack between the rotor and hub which makes me think they are separate. The hub must come off first to get the rotor off. any tips?

The studs are pressed through, holding the rotor to the hub. They can be turned without separating.