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Rotoscoping is an animation technique that animators use to trace over motion picture footage, frame by frame, to produce realistic action. Originally, live-action movie images were projected onto a glass panel and traced onto paper. This projection equipment is referred to as a rotoscope, developed by Austrian-American animator Max Fleischer. This device was eventually replaced by computers, but the process is still called rotoscoping.
In the visual effects industry, Rotoscoping is the technique of manually creating a matte for an element on a live-action plate so it may be composited over another background. Chroma key is more often used for this, as it is faster and requires less work, but Rotoscoping provides a higher level of accuracy and is often used in conjunction with Chroma-keying. It may also be used if the subject is not in front of a green (or blue) screen, or for practical or economic reasons.
Rotoscoping has often been used as a tool for visual effects in live-action movies. By tracing an object, the moviemaker creates a silhouette (called a matte) that can be used to extract that object from a scene for use on a different background. While blue- and green-screen techniques have made the process of layering subjects in scenes easier, rotoscoping still plays a large role in the production of visual effects imagery. Rotoscoping in the digital domain is often aided by motion-tracking and onion-skinning software. Rotoscoping is often used in the preparation of garbage mattes for other matte-pulling processes.
Rotoscoping has also been used to create a special visual effect (such as a glow, for example) that is guided by the matte or rotoscoped line. A classic use of traditional rotoscoping was in the original three Star Wars movies, where the production used it to create the glowing lightsaber effect with a matte based on sticks held by the actors. To achieve this, effects technicians traced a line over each frame with the prop, then enlarged each line and added the glow.
Eadweard Muybridge had some of his famous chronophotographic sequences painted on glass discs for the zoopraxiscope projector that he used in his popular lectures between 1880 and 1895. The first discs were painted on the glass in dark contours. Discs made between 1892 and 1894 had outlines drawn by Erwin Faber photographically printed on the disc and then colored by hand, but these discs were probably never used in the lectures.
Early works and Fleischer's exclusivity edit
The rotoscope technique was invented by animator Max Fleischer in 1915, and used in his groundbreaking Out of the Inkwell animated series (1918–1927). It was known simply as the "Fleischer Process" on the early screen credits, and was essentially exclusive to Fleischer for several years. The live-movie reference for the character, later known as Koko the Clown, was performed by his brother (Dave Fleischer) dressed in a clown costume.
Conceived as a shortcut to animating, the rotoscope process proved time-consuming due to the precise and laborious nature of tracing. Rotoscoping is achieved by two methods, rear projection and front surface projection. In either case, the results can have slight deviations from the true line due to the separation of the projected image and the surface used for tracing. Misinterpretations of the forms cause the line to wiggle, and the roto tracings must be reworked over an animation disc, using the tracings as a guide where consistency and solidity are important.
Fleischer ceased to depend on the rotoscope for fluid action by 1924, when Dick Huemer became the animation director and brought his animation experience from his years on the Mutt and Jeff series. Fleischer returned to rotoscoping in the 1930s for referencing intricate dance movements in his Popeye and Betty Boop cartoons. The most notable of these are the dance routines originating from jazz performer Cab Calloway in Minnie the Moocher (1932), Snow-White (1933), and The Old Man of the Mountain (1933). In these examples, the roto tracing was used as a guide for timing and positioning, while the cartoon characters of different proportions were drawn to conform to those positions.
Fleischer's last applications of the rotoscope were for the realistic human animation required for the lead character—among others—in Gulliver's Travels (1939), and the human characters in his last feature, Mr. Bug Goes to Town (1941). His most effective use of rotoscoping was in the action-oriented film noir Superman series of the early 1940s, where realistic movement was achieved on a level unmatched by conventional cartoon animation.
Contemporary uses of the rotoscope and its inherent challenges have included surreal effects in music videos such as Elvis Costello's "Accidents Will Happen" (1978), Klaatu's "Routine Day" (1979), Lawrence Gowan's "A Criminal Mind" (1985), A-ha's "Take On Me" (1985), the live performance scenes in Dire Straits' "Money for Nothing" (1985), Kansas' "All I Wanted" (1986), and the animated TV series Delta State (2004).
Uses by other studios edit
Fleischer's patent expired by 1934, and other producers could then use rotoscoping freely. Walt Disney and his animators used the technique extensively in Snow White and the Seven Dwarfs in order to make the human characters' motions more realistic. The film went significantly over budget due to the complexity of the animation.
Leon Schlesinger Productions, which produced the Looney Tunes and Merrie Melodies cartoons for Warner Bros., occasionally used rotoscoping. The opening to the 1939 MGM cartoon "Petunia Natural Park" from The Captain and the Kids featured a rotoscoped version of MGM's mascot, Jackie the Lion.
Rotoscoping was used extensively in China's first animated feature film, Princess Iron Fan (1941), which was released under very difficult conditions during the Second Sino-Japanese War and World War II.
Rotoscoping was a popular technique in early animated films made in the Soviet Union. Most films produced with it were adaptations of folk tales or poems—for example, The Night Before Christmas or The Tale of the Fisherman and the Fish. Only during the early 1960s, after the "Khrushchev Thaw", did animators start to explore very different aesthetics.
The makers of the Beatles' Yellow Submarine used rotoscoping in the "Lucy in the Sky with Diamonds" sequence. Director Martin Scorsese used rotoscoping to remove a large chunk of cocaine hanging from Neil Young's nose in his rock documentary The Last Waltz.
Ralph Bakshi used rotoscoping extensively for his animated features Wizards (1977), The Lord of the Rings (1978), American Pop (1981), Fire and Ice (1983), and Cool World (1992). Bakshi first used rotoscoping because 20th Century Fox refused his request for a $50,000 budget increase to finish Wizards; he resorted to the rotoscope technique to finish the battle sequences.
Rotoscoping was also used in Tom Waits For No One (1979), a short film made by John Lamb, Heavy Metal (1981), What Have We Learned, Charlie Brown? (1983) and It's Flashbeagle, Charlie Brown (1984); the Dire Straits “Brothers in Arms” (1985), three of A-ha's music videos, "Take On Me" (1985), "The Sun Always Shines on T.V." (1985), and "Train of Thought" (1986); Don Bluth's The Secret of NIMH (1982), An American Tail (1986), Harry and the Hendersons (closing credits), The BFG (1989), Titan A.E. (2000); and Nina Paley's Sita Sings the Blues (2008).
In 1994, Smoking Car Productions invented a digital rotoscoping process to develop its critically acclaimed adventure video game The Last Express. The process was awarded U.S. Patent 6,061,462, Digital Cartoon and Animation Process. The game was designed by Jordan Mechner, who had used rotoscoping extensively in his previous games Karateka and Prince of Persia.
During the mid-1990s, Bob Sabiston, an animator and computer scientist veteran of the Massachusetts Institute of Technology (MIT) Media Lab, developed a computer-assisted "interpolated rotoscoping" process, which he used to make his award-winning short movie "Snack and Drink". Director Richard Linklater subsequently employed Sabiston and his proprietary rotoscope software in the full-length feature movies Waking Life (2001) and A Scanner Darkly (2006). Linklater licensed the same proprietary rotoscoping process for the look of both movies. Linklater was the first director to use digital rotoscoping to create an entire feature movie. Additionally, a 2005–08 advertising campaign by Charles Schwab used Sabiston's rotoscoping work for a series of television commercials, with the tagline "Talk to Chuck". The Simpsons used rotoscope as a couch gag in the episode Barthood, with Lisa describing it as "a noble experiment that failed".
In 2013, the anime The Flowers of Evil used rotoscoping to produce a look that differed greatly from its manga source material. Viewers criticized the show's shortcuts in facial animation, its reuse of backgrounds, and the liberties it took with realism. Despite this, critics lauded the movie, and the website Anime News Network awarded it a perfect score for initial reactions.
In early 2015, an anime film titled The Case of Hana & Alice (animated prequel to the 2004 live-action film, Hana and Alice) was entirely animated with Rotoshop, but it was far better received than The Flowers of Evil, with critics praising its rotoscoping. In 2015, Kowabon [jp], a short-form horror anime series using rotoscoping, aired on Japanese TV.
Faith: The Unholy Trinity (2017) has cutscenes animated with rotoscope.
The Spine of Night (2021), a feature-length fantasy film directed by Philip Gelatt and Morgan Galen King was rotoscope animated. King’s Gorgonaut Studios had previously rotoscope animated a series of short fantasy films.
See also edit
- Maçek III, J.C. (August 2, 2012). "'American Pop'... Matters: Ron Thompson, the Illustrated Man Unsung". PopMatters. Archived from the original on August 24, 2013.
- "Through a 'Scanner' dazzlingly: Sci-fi brought to graphic life" USA TODAY, August 2, 2006, Wednesday, LIFE; Pg. 4D WebLink Archived December 23, 2011, at the Wayback Machine
- "Compleat Eadweard Muybridge - Muy Blog 2009". www.stephenherbert.co.uk. Archived from the original on January 19, 2018.
- Litten, Frederick S. (2013). "Shōtai kenkyū nōto: Nihon no eigakan de jōei sareta saisho no (kaigai) animēshon eiga ni tsuite" 招待研究ノート：日本の映画館で上映された最初の（海外）アニメーション映画について [On the Earliest (Foreign) Animation Shown in Japanese Cinemas]. The Japanese Journal of Animation Studies (in Japanese). 15 (1A): 9–11.
- Edwards, Phil (December 3, 2019). "The trick that made animation realistic". Vox. Archived from the original on November 17, 2021.
- US patent 1242674, Max Fleischer, "Method of producing moving-picture cartoons", issued 1917-10-09
- Pointer, Ray (2016). The Art and Inventions of Max Fleischer: American Animation Pioneer. Mcfarland. ISBN 9781476663678. OCLC 948547933.
- Menache, Alberto (2000). Understanding Motion Capture for Computer Animation and Video Games. Morgan Kaufmann. p. 2. ISBN 978-0-12-490630-3. Retrieved December 14, 2022.
- Selvin, Joel (April 22, 2002). "The day the music lived". San Francisco Chronicle. Archived from the original on March 6, 2014.
- Lawson, Terry (April 26, 2002). "'The Last Waltz' rekindles Band fervor". Detroit Free Press. Archived from the original on August 25, 2003. Retrieved January 8, 2007.
- "The 50 Worst Rock Fails Of All Time". Complex. Retrieved May 22, 2018.
- Ralph Bakshi: The Wizard of Animation making-of documentary.
- Bakshi, Ralph. Wizards DVD, 20th Century Fox Home Entertainment, 2004, audio commentary. ASIN: B0001NBMIK
- "Animator Mag - Archive | animation between 1982 and 1995". www.animatormag.com. Retrieved May 6, 2020.
- La Franco, Robert (March 2006). "Trouble in Toontown". Wired. Vol. 14, no. 3. ISSN 1059-1028. Archived from the original on October 27, 2008. Retrieved October 15, 2008.
- "The Spring 2013 Anime Preview Guide". Anime News Network. Archived from the original on April 21, 2013. Retrieved April 22, 2013.
- Hardawar, Devindra. "Amazon's 'Undone' takes rotoscope animation to new heights". Engadget. Archived from the original on February 10, 2020. Retrieved February 10, 2020.
- Grobar, Matt (March 18, 2021). "Directors Morgan King & Philip Gelatt Revitalize The Subversive, rotoscoped Feature With 'The Spine Of Night' — SXSW Studio". Deadline. Retrieved January 4, 2023.
- "'The Spine of Night' Trailer: An Ultra-Violent rotoscoped Fantasy Starring Richard E. Grant and Lucy Lawless". IndieWire. March 11, 2021. Retrieved March 11, 2021.
- Media related to Rotoscoping at Wikimedia Commons
- Description of "Digital cartoon and animation process" (Digital rotoscoping) Patent