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DOI:
Journal of Software:2006.17(zk):169-175

面向三维剪纸的网格模型切割方法
李岩,于金辉,石教英
(浙江大学 CAD&CG 国家重点实验室,浙江 杭州 310027)
A 3D Paper-Cutting Oriented Mesh Trimming Algorithm
LI Yan,YU Jin-hui,SHI Jiao-Ying
()
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Received:April 15, 2006    Revised:September 11, 2006
> 中文摘要: 提出了一种改进的三维网格模型切割算法,在切割每个图案时首先检查面片区域是否已被其他图案修改,并在修改之后对应的面片区域上进行切割且记录切割结果,最后将三维网格模型表面封闭剪纸图案内的顶点和面片剔除,得到像手工剪纸那样的镂空效果.三维剪纸可以广泛应用于动画、教育以及娱乐产业中.
中文关键词: 网格切割  参数化  剪纸  网格重构  网格编辑
Abstract:This paper presents an improved trimming algorithm. When cutting each pattern on the mesh surface, the algorithm first checks if a patch has been modified by other patterns, and then cuts the patch set with the new topology caused by the current pattern and updates the resultant patch set. Finally the algorithm removes the vertices and faces from the mesh surface inside the closed paper-cutting pattern to achieve cut-out effects observed from hand made paper cutting works. 3D Paper-cutting has wide applications ranging from animation, education to entertainments.
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基金项目:Supported by the National Natural Science Foundation of China under Grant No.60373037 (国家自然科学基金); the Research Fund for the Doctoral Program of Higher Education of China under Grant No.20040335019(高等学校博士学科点专项科研基金) Supported by the National Natural Science Foundation of China under Grant No.60373037 (国家自然科学基金); the Research Fund for the Doctoral Program of Higher Education of China under Grant No.20040335019(高等学校博士学科点专项科研基金)
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李 岩,于金辉,石教英.面向三维剪纸的网格模型切割方法.软件学报,2006,17(zk):169-175

LI Yan,YU Jin-hui,SHI Jiao-Ying.A 3D Paper-Cutting Oriented Mesh Trimming Algorithm.Journal of Software,2006,17(zk):169-175