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What is Geometric Modeling?

(Seeing and Building)

What is a model?

• Captures the salient features (data, behavior) of the thing/phenomenon being modeled

  • data includes geometry, appearance attributes, physical properties (mass, etc.)...

• Abstract: no inherent geometry, but for visualization

  • organizational (e.g., company org. chart)

  • quantitative (e.g., graph of stock market data)

• Real: some geometry inherent

  • geometric (e.g., actual object)

  • quantitative and geometric (e.g., weather data)

• Modeling is coping with complexity

• Our focus: modeling and viewing simple everyday objects

Overview of Computer Graphics - 08 MAY 95

Page 8 of 18

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