Stop-frame animation

Stop motion (hyphenated stop-motion when used as an adjective) is an animation technique that physically manipulates an object so that it appears to move on its own. The object is moved in small increments between individually photographed frames, creating the illusion of movement when the series of frames is played as a fast sequence. Dolls with movable joints or clay figures are often used in stop motion for their ease of repositioning. Stop motion animation using plasticine is called clay animation or "clay-mation". Not all stop motion requires figures or models; many stop motion films can involve using humans, household appliances and other things for comedic effect. Stop motion using objects is sometimes referred to as object animation.

The term "stop motion", related to the animation technique, is often spelled with a hyphen, "stop-motion". Both orthographical variants, with and without the hyphen, are correct, but the hyphenated one has, in addition, a second meaning, not related to animation or cinema: "a device for automatically stopping a machine or engine when something has gone wrong" (The New Shorter Oxford English Dictionary, 1993 edition).

Stop motion is often confused with the time lapse technique, where still photographs of a live surrounding are taken at regular intervals and combined into a continuous film. Time lapse is a technique whereby the frequency at which film frames are captured is much lower than that used to view the sequence. When played at normal speed, time appears to be moving faster.

Stop motion animation has a long history in film. It was often used to show objects moving as if by magic. The first instance of the stop motion technique can be credited to Albert E. Smith and J. Stuart Blackton for Vitagraph's The Humpty Dumpty Circus (1897), in which a toy circus of acrobats and animals comes to life. In 1902, the film Fun in a Bakery Shop used the stop trick technique in the "lightning sculpting" sequence. French trick film maestro Georges Méliès used stop motion animation once to produce moving title-card letters in one of his short films, and a number of his special effects are based on stop motion photography. In 1907, The Haunted Hotel is a new stop motion film by J. Stuart Blackton, and was a resounding success when released. Segundo de Chomón (1871–1929), from Spain, released El Hotel Eléctrico later that same year, and used similar techniques as the Blackton film. In 1908, A Sculptor's Welsh Rarebit Nightmare was released, as was The Sculptor's Nightmare, a film by Billy Bitzer. Italian animator Roméo Bossetti impressed audiences with his object animation tour-de-force, The Automatic Moving Company in 1912. The great European stop motion pioneer was Wladyslaw Starewicz (1892–1965), who animated The Beautiful Lukanida (1910), The Battle of the Stag Beetles (1910), The Ant and the Grasshopper (1911).

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