Question: What year was the film, which used the process to generate animated images and is attached to "The Smurfs" film, released?
Sentence (from "Computer animation"): Modern computer animation usually uses 3D computer graphics, although 2D computer graphics are still used for stylistic, low bandwidth, and faster real-time renderings. Sometimes, the target of the animation is the computer itself, but sometimes film as well.
Relevant evidence: No