Introduction of CGI into hand drawn Disney films.

Disney has always championed the use of 2D animation in it's movies. But nowadays the usage of computers is a pivotal part of the movie making process.  But up till 1992 CGI hadn't been included at all or if at all on a minute scale but in Beauty and the Beast it was heavily used for the first time in the famous ballroom dance scene.



Since then CGI has been used a lot more in Disney films but only when the use of traditional 2D animation cannot work to have the same effect as 3D animation. Or in cases where it would be far less efficient and far more time consuming to use 2D. For example, in the stampede scene in The Lion King, CGI was used to compensate for the many, many wildebeests that had to be animated. 




Another case of CGI being used in an otherwise traditional 2D film was in Tarzan with the opening scene where the camera swoops through the jungle. Perhaps this scene could have been created with entirely 2D animation, but the scene would have taken far longer to create and might not have flown as smoothly.