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Viewing & Rendering
Refresher on Viewing Transformation (VT) for Perspective Projection
The VT preserves "in front of" relationships, straight lines and planes, and performs perspective foreshortening.
Canonical perspective-projection view volume with cube
After Perspective Transformation (VT) to normalized parallel-projection view volume. Note that cube is distorted (perspective foreshortening).
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Viewing & Rendering - 09 MAY 95
Page 9 of 31
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