How Are Geometric Transformations
(T,R,S) Used in Computer Graphics?
•Object construction using assemblies/hierarchy of parts ΰ la Sketchpad’s masters and instances; leaves contain primitives
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•Aid to realism
–objects, camera use realistic motion for animation
Right
Arm
Left
Arm
  Robot
Lower
Body
Upper
Body
Head
Body
Stanchion
Base
Group
Transformation
Geometry