Visibility and Hidden Surface Removal
Visibility and Hidden Surface Removal
Visibility and Hidden Surface Removal
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<strong>Visibility</strong> algorithms<br />
• Image-space algorithms using coherence<br />
– z-buffer algorithm – use of depth coherence<br />
– Scanline algorithm – use of scanline <strong>and</strong> depth<br />
coherence<br />
– Warnock’s (area subdivision) algorithm – use of<br />
area coherence <strong>and</strong> spatial subdivision<br />
• Object-space algorithms<br />
– Depth sort – use of bounding or extent<br />
– Binary space partitioning (BSP) algorithm<br />
© Machiraju/Zhang/Möller<br />
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