Visibility and Hidden Surface Removal
Visibility and Hidden Surface Removal
Visibility and Hidden Surface Removal
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6. Hierarchy<br />
• Use (e.g., semantic) information in the<br />
modeling hierarchy to restrict the need for<br />
intersection tests at lower levels, when<br />
children are part of parent in hierarchy, e.g.,<br />
• Bounding boxes, spatial partitioning,<br />
© Machiraju/Zhang/Möller<br />
hierarchy all use very similar ideas<br />
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