Animation

The bouncing ball animation (below) consists of these 6 frames.


This animation moves at 10 frames per second.


Animation is the rapid display of a sequence of 2-D artwork or model positions in order to create an illusion of movement. It is an optical illusion of motion due to the phenomenon of persistence of vision. This could be anything from a flip book to a motion picture film.

Contents

1 Early animation
2 Animation techniques

2.1 Traditional animation
2.2 Stop motion
2.3 Computer animation
2.4 Less common techniques
2.5 Combining techniques
2.6 Other techniques and approaches


3 References
4 External links
5 Credits



Today, animation has been almost completely replaced by computer animation. With the simplicity of using computers, now, various animation studios are replacing hand drawn and/or painted cels with computer generated cels. This process saves the animation studio time and money. In the future, animation could be done completely by computer.

Early animation
Over history, there were several early devices for animation. Even going back to cave paintings where animals are depicted with multiple legs in superimposed positions, clearly attempting to depict a sense of motion.
One of the earliest forms of animation was the Zoetrope. This device was a circular drum with viewing slits. The animation was put inside it with drawings in different positions. When the drum was spun and viewed from the side, the images would appear to move.
It is usually said that the zoetrope was invented in 1834 by George Horner, who called it a "daedalum" or "daedatelum." Horner based his device on the phenakistoscope, built in 1832 by Joseph Plateau. This device used a spinning wheel with slots in it. The images were on a paper disk and were viewed on a mirror through the slots. A device similar to Horner's was described by John Bate in The Mysteryes of Nature and Art in 1634. In fact, the earliest elementary zoetrope was created in China around 180 C.E. by the prolific inventor Ting Huan (丁緩). Driven by convection, Ting Huan's device hung over a lamp. The rising air turned vanes at the top, from which were hung translucent paper or mica panels. Pictures painted on the panels would appear to move if the device spun fast enough.
There is no single person that can be considered the "creator" of the art of animation, as there were several people doing several projects which could be considered various types of animation all around the same time. The following is a brief on those who are often acknowledged as significant to the development of animation. Note that this list is by no means a comprehensive list of contributors to early animation.
Georges Méliès was a creator of special effect films, such as A Trip to the Moon. He used many techniques—one of which was to stop the camera rolling, change something in the scene, and then continue rolling the film. This is a very similar idea to that of stop motion animation. Méliès accidentally happened upon the technique when his camera broke down while shooting a bus driving by. When the camera was fixed, a horse happened to be passing by just as Méliès continued to film. The result was that the bus appeared to change into a horse.
Émile Cohl began drawing cartoon strips and created a film in 1908 called Fantasmagorie. The film largely consisted of a stick figure moving about and encountering all manner of morphing objects, such as a wine bottle that transforms into a flower. There were also sections of live action where the animator’s hands would enter the scene. The film was created by drawing each frame on paper and then shooting each frame onto negative film, which gave the picture a blackboard look.
Winsor McCay created detailed animations that required a team of artists and painstaking attention for detail. Each frame was drawn on paper, requiring backgrounds to be redrawn, as well characters to be animated. His films such as Gertie the Dinosaur (1914) and The Sinking of the Lusitania (1918) were of an impressive scale, although The Sinking of the Lusitania used cels.
In 1919 Otto Messmer created the character of Felix the cat for Pat Sullivan's animation studios. The importance of Felix lies in the character's strong personality, created largely through gesture and actions.

Animation techniques
Animation techniques are incredibly varied and difficult to categorize. Techniques are often related or combined. The following is a brief on common types of animation. Again, this list is by no means comprehensive.

Traditional animation
 An example of traditional animation, a horse animated by rotoscoping from Edweard Muybridge's nineteenth century photos.
Also called cel animation, the frames of a traditionally animated movie are hand-drawn. The drawings are traced or copied onto transparent acetate sheets called cels, which are then placed over a painted background and photographed one by one on a rostrum camera. Nowadays, the use of cels (and cameras) is mostly obsolete, since the drawings are scanned into computers, and digitally transferred directly to 35 mm film. The "look" of traditional cel animation is still preserved, and the character animator's work has remained essentially the same over the past 70 years. Because of the digital influence over modern cel animation, it is also known as tradigital animation. 

Examples: The Lion King, Spirited Away, Les Triplettes de Belleville

Full animation
The most common style in animation, known for its realistic and often very detailed art.
Examples: All Disney feature length animated films, The Secret of NIMH, The Iron Giant
Limited animation
A cheaper process of making animated cartoons that does not follow a "realistic" approach.
Examples: The Flintstones, Yellow Submarine
Rubber hose
The characters are usually cartoony, and the animators have a lot of artistic freedom as rubber hose animations don't have to follow the laws of physics and anatomy in the same degree as the other main styles in animation.
Examples: Early Mickey Mouse cartoons, Ren and Stimpy, Popeye
Rotoscoping
A technique where animators trace live action movement, frame by frame, for use in animated films.
Examples: Gulliver's Travels, American Pop
Stop motion
Stop motion animation is any type of animation which requires the animator to physically alter the scene, shoot a frame, again alter the scene and shoot a frame and so on, to create the animation.

Cutout animation
This is a type of stop motion animation. Here the figures comprise several 2-dimensional pieces which are moved individually, frame by frame, to create movement.

Examples: the animated sequences of Monty Python's Flying Circus, the animated sequences of The Mighty Boosh, Tale of Tales
Silhouette animation
A type of cutout animation where the viewer only sees black silhouettes. The world's oldest surviving animated feature film (The Adventures of Prince Achmed, 1926) used this method.
Graphic animation
Puppet animation
Again a type of stop motion animation. Here figures are puppets, generally with an armature inside of them to keep them still and steady as well as allow them to move at particular joints. The puppets are moved frame by frame, much like in cutout animation.

Examples: The Nightmare Before Christmas, Robot Chicken, The Tale of the Fox
Brickfilm
Model animation
Go motion
Clay animation
 A clay animation scene from a TV commercial.
Often abbreviated to claymation, this is also a type of stop-motion animation. The difference of course being that the figures are made of clay or a similar malleable material. The figures often have an armature inside of them, effectively making it a type of puppet animation. However, this is not always the case, notably in the films of Bruce Bickford where clay creatures continuously morph into a variety of different shapes.
Examples: Creature Comforts, Dimensions of Dialogue by Jan Švankmajer, The Amazing Mr. Bickford
Object animation
Pixilation
Examples: Neighbours
Puppetoon
Computer animation
 A short gif animation
Like stop motion, computer animation encompasses a variety of techniques, the unifying idea being that the animation is created digitally on a computer.

2D animation
Figures are created and/or edited on the computer using 2D bitmap graphics or created and edited using 2D vector graphics. This includes automated computerized version of tweening, morphing, onion skinning, and interpolated rotoscoping.
Examples: A Scanner Darkly, Jib Jab
Analog computer animation
Flash animation
PowerPoint animation
 A completely synthetic, computer-generated scene.
3D animation
Figures are created in the computer using polygons. To allow these meshes to move they are given a digital armature. This process is called rigging. Various other techniques can be applied, such as simulated fur or hair, effects such as fire and water, and the use of motion capture to name but a few.

Examples: The Incredibles, Shrek
Cel-shaded animation
Morph target animation
Skeletal animation
Motion capture
Crowd simulation
Less common techniques
Drawn on film animation

A technique where footage is produced by creating the images directly on film stock.
Paint-on-glass animation

A technique for making animated films by manipulating slow-drying oil paints on sheets of glass.
Pinscreen animation 

Makes use of a screen filled with movable pins, which can be moved in or out by pressing an object onto the screen. The screen is lit from the side so that the pins cast shadows. The technique has been used to create animated films with a range of textural effects difficult to achieve with traditional cel animation.
Sand animation

Sand is moved around on a backlit or frontlit piece of glass to create each frame for an animated film.

Combining techniques
As mentioned, techniques are often combined for either creative or economic reasons. The Mysterious Geographic Explorations of Jasper Morello is a cutout animated film, but is created on a computer. South Park has gone from being composed of paper cutouts, to using cutouts created in the computer. The Iron Giant, meanwhile, was completely cel animated with the exception of its title character, who was created in 3D and cel shaded.

Other techniques and approaches
Character animation
Chuckimation
Multi-sketching
Special effects animation
ReferencesISBN links support NWE through referral fees
Ball, R., J. Beck, R. DeMott, H. Deneroff, D. Gerstein, F. Gladstone, T. Knott, A. Leal, G. Maestri, M. Mallory, M. Mayerson, H. McCracken, D. McGuire, J. Nagel, F. Pattern, R. Pointer, P. Webb, C. Robinson, W. Ryan, K. Scott, A. Snyder, & G. Webb (2004). Animation Art: From Pencil to Pixel, the History of Cartoon, Anime & CGI. Fulhamm London.: Flame Tree Publishing. ISBN 1-84451-140-5
Crafton, Donald (1982). Before Mickey. Cambridge, Massachusetts.: The MIT Press. ISBN 0-262-03083-7
Solomon, Charles (1989). Enchanted Drawings: The History of Animation. New York.: Random House, Inc. ISBN 0-394-54684-9
External links
All links retrieved June 20, 2021.

28 Principles of Animation.
General animation links.
Animation Library

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