I have written matlab gui can realize arbitrary polygon fixed parameters such as input and then use the algorithm Sutherland_Hodgeman rectangular polygon was the interception of the demo program

polygon_cut
...........\Cyrus-Beck算法截取线段.vsd
...........\findmiddlepoint.asv
...........\findmiddlepoint.m
...........\getzonecode.m
...........\intersectp.asv
...........\intersectp.m
...........\Polygoncutter.asv
...........\Polygoncutter.fig
...........\Polygoncutter.m
...........\Sutherland-Hodgman多边形剪裁流程框图.vsd
...........\Sutherland_Hodgeman_Algorithum.asv
...........\Sutherland_Hodgeman_Algorithum.m
...........\中点法截取线段流程图.vsd
...........\计算机图形学第三次作业Readme.doc

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