KMS Of Academy of mathematics and systems sciences, CAS
DYNAMIC EVALUATION OF FREE-FORM CURVES AND SURFACES | |
Yang, Xunnian1; Hong, Jialin2 | |
2017 | |
发表期刊 | SIAM JOURNAL ON SCIENTIFIC COMPUTING |
ISSN | 1064-8275 |
卷号 | 39期号:2页码:B424-B441 |
摘要 | Free-form curves and surfaces represented by control points together with well-defined basis functions are widely used in computer aided geometric design. Efficient evaluation of points and derivatives of free-form curves and surfaces plays an important role in interactive rendering or CNC machining. In this paper we show that free-form curves with properly defined basis functions are the solutions of linear differential systems. By employing typical numerical methods for solving the differential systems, points and derivatives of free-form curves and surfaces can be computed in a dynamical way. Compared with traditional methods for evaluating free-form curves and surfaces there are two advantages of the proposed technique. First, the proposed method is universal and efficient for evaluating a large class of free-form curves and surfaces. Second, the evaluation needs only arithmetic operations even when the free-form curves and surfaces are defined using some transcendental functions. |
关键词 | free-form curves and surfaces linear differential systems evaluation dynamic generation |
DOI | 10.1137/16M1058911 |
语种 | 英语 |
资助项目 | National Natural Science Foundation of China[11290142] ; National Natural Science Foundation of China[61272300] ; NSFC[91530118] ; NSFC[91630312] ; NSFC[91130003] |
WOS研究方向 | Mathematics |
WOS类目 | Mathematics, Applied |
WOS记录号 | WOS:000401776100009 |
出版者 | SIAM PUBLICATIONS |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.amss.ac.cn/handle/2S8OKBNM/25499 |
专题 | 计算数学与科学工程计算研究所 |
通讯作者 | Yang, Xunnian |
作者单位 | 1.Zhejiang Univ, Sch Math Sci, Hangzhou 310027, Peoples R China 2.Chinese Acad Sci, Acad Math & Syst Sci, LSEC, Beijing 100190, Peoples R China |
推荐引用方式 GB/T 7714 | Yang, Xunnian,Hong, Jialin. DYNAMIC EVALUATION OF FREE-FORM CURVES AND SURFACES[J]. SIAM JOURNAL ON SCIENTIFIC COMPUTING,2017,39(2):B424-B441. |
APA | Yang, Xunnian,&Hong, Jialin.(2017).DYNAMIC EVALUATION OF FREE-FORM CURVES AND SURFACES.SIAM JOURNAL ON SCIENTIFIC COMPUTING,39(2),B424-B441. |
MLA | Yang, Xunnian,et al."DYNAMIC EVALUATION OF FREE-FORM CURVES AND SURFACES".SIAM JOURNAL ON SCIENTIFIC COMPUTING 39.2(2017):B424-B441. |
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