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Three-Dimensional Computer Animation Erli Ling Introduction Animation all moving imagery involves a sequence of still images played back quickly enough for your eye to see them as continuous still images are produced individually is known as animation Computer-generated animation

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Presentation Transcript
introduction
Introduction
  • Animation

all moving imagery involves a sequence of still images played back quickly enough for your eye to see them as continuous

still images are produced individually is known as animation

slide3
Computer-generated animation

the impact of this goes well beyond what you normally think of as animation.

it also used to produce movie special effects, video games, scientific simulations, architectural walk-throughs.

techniques
Techniques
  • Traditional techniques
    • The most basic technique: to draw and then photograph each frame one by one
    • Technical advances made: the use of transparent sheets (cels), onto which were painted different layers of a scene
slide5
Computer techniques
    • The first program developed in NYIT focused on two-dimensional animation and enabled the animator to produce automatically what are called the “in-between” frames.
    • The next step entailed applying this same principle to three-dimensional animation.
slide6
The computer automatically generated the in-between positions and rendered each position as a frame of animation.
  • Today three-dimensional computer animation is no longer limited to mimicking the techniques of traditional cel animation
basic steps
Basic steps
  • Storyboard

a sequence of images and verbal descriptions describing the intended animation

3D storyboard sample

slide8
Modeling

developing a mathematical, wireframe representation of any 3D object via specialized software

slide9
Rendering

the computer processes the three-dimensional data that define your model to produce flat, two-dimensional representations of the model

see-through wireframe-> hidden-line-> shaded rendering

slide10
Animation

a series of still images that, when played back in quick succession, appear as continuously moving

much of 3D CG is based on key-framing approach

  • postproduction

compositing + editing

3d video demos
3D video demos
  • Jinghua City View
  • Music
  • Pixar production
  • Animator vs Animation
  • Chicken
  • 3D water
  • Bear golf
  • 3ds max tutorial
conclusion
Conclusion
  • The basic steps to produce 3D computer animation

design and planning -> modeling the shape of an object -> rendering the surface of an object, the lighting, the use of the camera -> animating -> postproduction

slide13
Apply

animation, television-commercial graphics, feature-film market. Industrial designer, architects, interior designer, sculptor, biologist, chemist, medical professionals

slide14
Software
    • Most popular 3D modelers: 3D studio Max, Alias, Blender (open source), Maya, LightWave
    • Free modelers available via the Internet: Blender, Wings 3D, K-3D, SmoothTeddy, SketchUp

See more here