Cel Animation

Short for celluloid, is when a transparent sheet is used to draw upon, which is then layered with others to create a single frame. This was a very important innovation as it allowed parts of the frame to be repeated frame to frame without having to redraw it.

This meant that the background could remain still without giving a "jittery" appearance. In early very early animations before the use of cel, such as Gertie The Dinosaur, which was released in 1914 by Winson McCay, the entire frame, including the background, were drawn on sheets of paper and then photographed, so everything had to be redrawn for each frame containing movement.
This method was used for a very long time and in major film productions such as Snow White and Sleeping Beauty.



Snow White - It was produced by Walt Disney and released in 1937. It was revolutionary at the time and was the first all colour full feature length animation.

Tom and Jerry

The Simpsons