1. In a computer graphics system, a method for pausing while generating an image, generation of the image being commenced by a user providing a first positional input to the computer graphics system via an input device and generation of the image being completed by the user providing a second positional input to the computer graphics system via the input device, the method comprising the steps of: providing the first positional input to the computer graphics system to commence generation of the image; before completing generation of the image, suspending generation of the image; prompting the user to return the input device to an input device condition as it existed prior to the suspending step; and resuming the operation under the same system conditions as existed prior to the suspending step such that generation of the image is continued and can be completed in the same manner as if it had not been suspended.