Visibility and Hidden Surface Removal
Visibility and Hidden Surface Removal
Visibility and Hidden Surface Removal
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Object Space<br />
for each object in world {<br />
determine those parts of objects<br />
whose view is unobstructed by<br />
other parts of it or other objects<br />
draw those parts in the appropriate<br />
colour<br />
}<br />
• independent of image resolution<br />
• More complex 3D interactions<br />
• Can be more expensive, e.g., subdivision<br />
• designed first for vector displays<br />
© Machiraju/Zhang/Möller