Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to...

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Chapter 6 Two-Dimensional Viewing

Myung-Soo Kim

Seoul National University

http://cse.snu.ac.kr/mskim

http://3map.snu.ac.kr

2D Viewing

2D Viewing Transformation

Clipping Window

Normalized Viewport/Square

Line Clipping

Cohen-Sutherland Algorithm

Liang-Barsky Algorithm

Liang-Barsky Algorithm

Liang-Barsky Algorithm

Nicholl-Lee-Nicholl Algorithm

Comparisons

Nonrectangular Clip Windows

Polygon Fill-Area Clipping

Sutherland-Hodgman Algorithm

Weiler-Atherton Algorithm

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