Animation is the perception of motion that is achieved by the rapid presentation (usually 30
frames or more per second) of successive stationary views. When using animation, the developer
is required to define a path, or spline, through the database, as well as the eyepoint and point of
gaze. There is no flexibility to alter the view without creating a new animated sequence.
Animation, while effective in conveying the operational characteristics of a design, is extremely
time consuming when developed on systems that do not have a real time image generation
capability.