Visibility and Hidden Surface Removal
Visibility and Hidden Surface Removal
Visibility and Hidden Surface Removal
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How to improve efficiency<br />
• Pay attention to order in which primitives<br />
are processed, e.g., if back to front then just<br />
“paint”<br />
• Be as lazy as possible!<br />
– Costly operations are to be avoided as much as<br />
possible, e.g., use of bounding boxes<br />
– Try to make use of previous computations, e.g.,<br />
utilize coherence<br />
• Specifically …<br />
© Machiraju/Zhang/Möller<br />
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