图形学很难学习，一方面需要对真实世界的理解，另一方面又要设计计算方法、显示方法
Fundamental Intellectual Challenges
- Creates and interacts with realistic virtual world
- Requires understanding of all aspects of physical world
- New Computing methods, displays, technologies
Technical Chanllages
- Math of (perspective) projections, curves, surfaces
- Physics of lighting and shading
- Representation / operating shapes in 3D
- Animation / simulation
- 3D graphics software programming and hardware
Graphic is AWESOME!
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