| 三维服装计算机辅助设计的曲面逼近和消隐 |
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| 引用本文： | 杨建国,朱辉,李蓓智.三维服装计算机辅助设计的曲面逼近和消隐[J].东华大学学报(自然科学版),1988(6). |
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| 作者姓名： | 杨建国 朱辉 李蓓智 |
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| 作者单位： | 中国纺织大学机械工程系，中国纺织大学机械工程系，中国纺织大学机械工程系 |
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| 摘 要： | 本文介绍了三维服装 CAD 系统 GCAD-2中的人体曲面逼近和曲面消隐等的处理方法。三维服装 CAD 系统中的人体曲面模型是三维服装造型的基础,也是二维原型服装的依据。作者按照计算机辅助服装设计的基本要求,根据人体测量系统输入的数据,提出一种在最小二乘意义上的人体曲面逼近方法。采用这种方法,构造的人体曲面模型计算量小,可以方便地进行修改、控制和进行隐面处理和浓淡处理等。
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| 关 键 词： | 计算机辅助设计 服装 三维结构 曲面拟合 消去法 均方逼近 曲面逼近 隐藏面消除 |
ON CURVED SURFACE APPROXIMATION AND HIDDEN SURFACE.ELIMINATION IN THREE DIMENTIONAL COMPUTER AIDED GARMENT DESIGN |
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| Yang Jianguo Zhu Hui Li Beizhi.ON CURVED SURFACE APPROXIMATION AND HIDDEN SURFACE.ELIMINATION IN THREE DIMENTIONAL COMPUTER AIDED GARMENT DESIGN[J].Journal of Donghua University,1988(6). |
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| Authors: | Yang Jianguo Zhu Hui Li Beizhi |
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| Institution: | Department of Mechanical Engineering |
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| Abstract: | A approximation method for curved surface of human body and curved surfaceelimination in three dimentional computer aided garment design system GOAD-2 are des-cribed.The model of human body is the basis of the 3-D modeling for clothes.In terms ofthe requirements of computer aided garment design,the authors put forward a method forcurved surface approximation in the meaning of me least squares.Using this method thecomputation of geometric modeling is simple and efficient for 3-D garment design.It is alsoconvenient for curved surface modification and shading. |
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| Keywords: | computer aided design garments three dimentional structure surface fitting elimination least square approximation curved surface approximation hidden-surface elimination |
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