Visibility and Hidden Surface Removal
Visibility and Hidden Surface Removal
Visibility and Hidden Surface Removal
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Scanline problems<br />
• Beware of large distances <strong>and</strong> large<br />
polygons with the z-buffer algorithm.<br />
• Problems with perspective projection can<br />
arise<br />
• the visible<br />
polygon<br />
may not<br />
be correctly<br />
determined<br />
© Machiraju/Zhang/Möller<br />
63