2.2. Hierarchical Data and the Closure Property

2.2.4. Example: A Picture Language

Exercises:

• 2.44 . Up-split procedure
• 2.45 . Split procedure
• 2.46 . Representation of vectors
• 2.47 . Frames implementation
• 2.48 . Representation of segments using vectors.
• 2.49 . Primitive painters
• 2.50 . Flip and rotate transformations
• 2.51 . Below procedure
• 2.52 . Modification of wave

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