'Overlap test' presentation slideshows

734 views • 53 slides

676 views • 53 slides

From-Point Occlusion Culling

From-Point Occlusion Culling. Chapter 23. Talk Outline. Image space methods Hierarchical Z-Buffer Hierarchical occlusion maps Some other methods Object space methods General methods Shadow frusta, BSP trees, temporal coherent visibility Cells and portals.

572 views • 48 slides

Hierarchical Occlusion Map

Hierarchical Occlusion Map. Zhang et al SIGGRAPH 98. Basic Ideas. Choose a set of graphics objects from the scene as Occluder Use the occluder to define Occlusion Map (hierarchically) Compare the rest of scene against the occlusion map. Example. Blue: Occluders Red: Occludees.

396 views • 20 slides

Hierarchical Occlusion Map

Hierarchical Occlusion Map. Zhang et al SIGGRAPH 98. Basic Ideas. Choose a set of graphics objects from the scene as Occluder Use the occluder to define Occlusion Map (hierarchically) Compare the rest of scene against the occlusion map. Example. Blue: Occluders Red: Occludees.

216 views • 20 slides

Basic 3D collision detection

335 views • 19 slides

Occlusion Culling

295 views • 17 slides