Visibility and Hidden Surface Removal
Visibility and Hidden Surface Removal
Visibility and Hidden Surface Removal
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Why compute visibility?<br />
• Realism: Occlusions make scenes look more<br />
realistic<br />
• Less ambiguity: <strong>Visibility</strong> computations<br />
provide us with depth perception<br />
• Efficiency: Rendering is time consuming, so<br />
we should not have to waste time on objects<br />
we cannot see © Machiraju/Zhang/Möller<br />
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