Computer Animation Prepared by Khadija Kuhail Supervised by Dr Sanaa Alsayegh.

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Presentation transcript:

Computer Animation Prepared by Khadija Kuhail Supervised by Dr Sanaa Alsayegh

What is Computer Animation? Animate = “to give life to” Specify, directly or indirectly, how ‘thing’ moves in time and space Anything to do with visual representations on a computer Includes 2D graphics and 3D graphics modeling and rendering The term Computer Graphics was created by William Fetter of Boeing in 1960

Persistence of vision: discovered about 1800s – Zoetrope or “wheel of life” – Flip-book

SketchPad: first interactive graphics (1961) Spacewars: first computer graphics game (MIT 1961) Whirlwind: early graphics using VectorScope (1951) first CAD system (IBM 1959)

Computer Graphics Image Synthesis Generate Images (Realistic or not) Animation Generate Motion (Realistic or not) Image Processing Manipulate Images

Computer-assisted animation – 2D & 2 1/2 D – Inbetweening – Inking, virtual camera, managing data, etc Computer generated animation – Low level techniques Precisely specifying motion – High level techniques Describe general motion behavior

1.Modelling: creating and representing the geometry of objects in the 3D world 2.Rendering: creating a image in 2D of these objects 3.Animation: describing how objects change in time

Describes the motion algorithmically Example: a clock with second, minute and hour hands – hands should rotate together – express the clock motions in terms of a “seconds” variable – the clock is animated by varying the seconds parameter Types of Animation

Assign physical properties to objects (masses & forces) Simulate physics by solving equations Realistic but difficult to control v0v0 mg Types of Animation

Usually uses optical markers and multiple high-speed cameras Triangulate to get marker 3D position Faces or joints Captures style and realism You must observe someone do something

Computer Aided Design (CAD)

Visualization (Scientific, Information ) DNA visualization

Medical Visualization 3D MRI

Entertainment (animation, games, …) Geographic Information Systems (GIS) …

Thank you

What are the three main Tasks in Animation?