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Next: World and Viewing Up: Affine Geometry and Previous: Ambiguity

3D Transformations

Assume a right handed coordinate system
Points , Vectors
Translation:

Scale:
About the origin

Shear:
see book
Reflection:
see book

Rotation:
About a coordinate axis

Composition:
works same way (but order counts when composing rotations).

Readings: Hearn and Baker, Chapter 11; Red book, 5.7; White book, 5.6


CS488/688: Introduction to Interactive Computer Graphics
University of Waterloo
Computer Graphics Lab

cs488@cgl.uwaterloo.ca