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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

Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

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Page 1: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Chapter 6 Two-Dimensional Viewing

Myung-Soo Kim

Seoul National University

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

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

Page 2: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

2D Viewing

Page 3: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

2D Viewing Transformation

Page 4: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Clipping Window

Page 5: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Normalized Viewport/Square

Page 6: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Line Clipping

Page 7: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Cohen-Sutherland Algorithm

Page 8: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Liang-Barsky Algorithm

Page 9: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Liang-Barsky Algorithm

Page 10: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Liang-Barsky Algorithm

Page 11: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Nicholl-Lee-Nicholl Algorithm

Page 12: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Comparisons

Page 13: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Nonrectangular Clip Windows

Page 14: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Polygon Fill-Area Clipping

Page 15: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Sutherland-Hodgman Algorithm

Page 16: Chapter 6 Two-Dimensional Viewing3map.snu.ac.kr/courses/2013/cg/Chap6.pdf · window is mapped to viewport coordinates ... clipping-window boundaries. 1010 0010 0110 Clipping Window

Weiler-Atherton Algorithm

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