What is Computer Graphics?

1. Pixel Representation

2. Recommended

3. Three Fundamental Tasks

   • Modeling the world
   • Animation(simulating)
     • Simulating the behaviors of objects in the world
   • Rendering(displaying)

4. Digital Representations of the World

   • Digital Images 更容易更真实
   • 3D Geometric Objects(Graphics) 更全面，渲染复杂
   • Symbolic Descriptions

5. Geometric Representation

   • 表示三维点: x,y,z
   • 三维线段: 两个三维点
   • 三维长方体: many ways

6. Three important and complex attributes

   • shape
   • appearance
   • dynamic behaviors

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