What are 3D graphics

• Spatial 3D models, large and small

  • Geometry, lighting, textures, multimedia

• It’s gotta move: user interaction essential

  • viewpoint independence

• Authoring is challenging

  • technically and artistically

• Many many different approaches

  • Real and imaginary worlds

• Lots of proprietary, short-term formats/codes

• Building next-generation ISO standard, X3D

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