The so-called virtual shooting, is in the film shooting, according to the director's requirements of the shooting, the whole camera in the virtual scene in the computer. The shot for a variety of elements, including scenes, characters, light, all of which are integrated into the computer, then the director can according to their own intentions, on the computer "command" of the role of performance and action, from any angle motion with his camera.
In short, it's shooting the director to shoot whatever it wants.. But all who enter data into the computer is complete, correct source in the real world. That is to say, input in the computer virtual scene and virtual characters must is a copy of the real world and actor "holographic" is tantamount to a real world cloning to the computer in the illusory world, thus in the physical meaning through "virtual" and "real" boundaries.