Thursday, August 24, 2017

A Primer on Animation

Animation is the process of making the illusion of motion and the illusion of change by means of the rapid succession of sequential images that minimally differ from each other. The illusion—as in motion pictures in general—is thought to rely on the phi phenomenon and beta movement, but the exact causes are still unclear.

There are some forms of animation that do not feature a rapid succession of sequential images, but these are usually not considered "true" or "full" animation. For instance, the physical movement of image parts through simple mechanics in magic lantern slides and the movement of the projector (the magic lantern) in phantasmagoria provided popular moving picture shows.

Animators are artists who specialize in the creation of animation. Animation can be recorded with either analogue media, a flip book, motion picture film, video tape, digital media, including formats with animated GIF, Flash animation, and digital video. To display animation, a digital camera, computer, or projector are used along with new technologies that are produced.

Animation methods include traditional animation, and methods that use stop motion animation of two and three-dimensional objects, paper cutouts, puppets, and clay figures. Images display in a rapid succession, usually 24, 25, 30, or 60 frames per second. Computer animation processes generating animated images with the general term computer-generated imagery (CGI). 3D animation uses computer graphics, while 2D animation is used for stylistic, low bandwidth and faster real-time renderings.


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The 12 Basic Principles of Animation

Squash and Stretch
Anticipation
Staging
Straight Ahead Action and Pose to Pose
Follow Through and Overlapping Action
Slow In and Slow Out
Arc
Secondary Action
Timing
Exaggeration
Solid drawing
Appeal

          [see the link below for a thorough description of each of these principles]

Disney's Twelve Basic Principles of Animation were introduced by the Disney animators Ollie Johnston and Frank Thomas in their 1981 book The Illusion of Life: Disney Animation. Johnston and Thomas in turn based their book on the work of the leading Disney animators from the 1930s onwards, and their effort to produce more realistic animations. The main purpose of the principles was to produce an illusion of characters adhering to the basic laws of physics, but they also dealt with more abstract issues, such as emotional timing and character appeal.

The book and some of its principles have been adopted by some traditional studios, and have been referred to by some as the "Bible of animation." In 1999 this book was voted number one of the "best animation books of all time" in an online poll. Though originally intended to apply to traditional, hand-drawn animation, the principles still have great relevance for today's more prevalent computer animation.

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