2d animation - computer graphics 25-2d... · 2d animation visual imaging in the electronic age...
TRANSCRIPT
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2D Animation
Visual Imaging in the Electronic Age
Donald P. GreenbergNovember 18, 2015
Lecture #25
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Motion
© National Geographic
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Animation is not producing
“Drawings which move”
but rather
“Motions which are drawn”
– Disney Studios
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Richard Williams. “The Animator’s Survival Kit,” 2001 Richard Williams & Imogen Sutton
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Newton’s Apple, 1970
From Stopping Time, The Photographs of Harold Edgerton” by Harry N. Abrams, 1987.
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Richard Williams. “The Animator’s Survival Kit,” 2001 Richard Williams & Imogen Sutton
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Richard Williams. “The Animator’s Survival Kit,” 2001 Richard Williams & Imogen Sutton
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Zoetrope
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Animation – Windsor McKay’s Gertie
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Animation – Snow White
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2D Cel Animation
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• What is cartoon animation?
– A sequence of drawings which, when viewed in rapid succession, create
an illusion of continuous life-like movement.
• Cel animation
– Process in which background and action are drawn separately
– Background and action are placed together when ready to film
Cartoon Animation
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Cel-animation
Standard Animation Cel Standard Animation
Cel
With Background
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Cel-animation
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Cel-animation
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Cel animation camera stand
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Background is drawn and colored
Key animator draws the most important, or key, frames of character
In-betweener fills in the key frames with all the action required of the character
Cels are inked and painted
Checker places each cel on the background and checks the quality of art and movement
Each cel is filmed
Steps for creating cel-animated films
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The Nereus Animation System
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The Nereus Animation System
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The Nereus Animation System
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The Nereus Animation System
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The Nereus Animation System
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The Nereus Animation System
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The Nereus Animation System
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Partial automation
– Backgrounds can be drawn and colored on a computer
– Key frames are still drawn by key animator
– All in-between frames are still drawn by animators
– Cels can be inked and painted on a computer
– Cel and background can be put together and checked with a computer
and then filmed
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– All artistic control stays with the animators
– The cost of the most expensive part of the production
process (inking and painting) is vastly reduced
(1/10th)
– Can still take advantage of special features
> Zooming
> Color changes
> Multi-Plane camera simulation
> Reduction in scale
Advantages of Partial Animation
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Hanna-Barbera Animation System
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