## Objectives-visible-surface detection, Computer Graphics

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After going through this section, you should be capable to:

• know the meaning of Visible-surface detection;
• distinguish among image-space and object-space approach for visible-surface determination;
• explain and develop the depth-buffer method for visible-surface determination;
• develop and explain the Scan-line method for visible-surface determination and
• explain and develop the Area-Subdivision method for visible-surface determination.

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