Rotoshop

Rotoshop uses an animation technique called

Aims

The software was developed to allow the user to create animation using techniques reminiscent of hand-drawn animation, yet preserving nuanced expressions and gestures that would not generally appear using traditional animation methods.

Use

Interpolation

Like

Freezing

In order to manage different objects in the scene, the user can break the drawing into layers. A layer can be "frozen" so that a single drawing remains visible throughout the entire scene. This feature is necessary for backgrounds and other things that do not change shape through time. This frees the user from having to draw the same image for every frame in the sequence.

References