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浙江大学学报(理学版)  2019, Vol. 46 Issue (2): 154-163    DOI: 10.3785/j.issn.1008-9497.2019.02.003
Chinagraph 2018 会议专栏     
一种四边形网格上的Midedge细分格式
檀结庆1,2, 曹宁宁1*
1.合肥工业大学数学学院,安徽合肥 230601
2.合肥工业大学计算机学院,安徽合肥 230601
A new Midedge scheme of quadrilateral mesh
TAN Jieqing1,2, CAO Ningning1,*
1. School of Mathematics, Hefei University of Technology, Hefei 230601, China;
2. School of Computer and Information, Hefei University of Technology, Hefei 230601, China
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摘要: 提出了一种逼近型细分格式,通过初始网格的边插入边点,再去除初始点、边,连接所插入边点的方式生成新的网格。 该细分格式是对PETERS 等提出的Midedge格式的拓展,其分离因子为1-2,意味着每通过1次细分,便将1个矩形分离成2个。 通过分析对应细分矩阵的性质,证明了此细分格式具有至少C1的连续性这一性质。
关键词: 逼近型细分Midedge格式细分矩阵    
Abstract: This paper presents an approximating subdivision scheme which can generate a new mesh by connecting the midpoint of every edge to the midpoints of its neighboring edge. When all the midpoints are linked, the old mesh is discarded. The subdivision scheme is a new continuation of the traditional Midedge scheme presented by PETERS et al. The splitting factor is 1-2 that means a quadrangle would be splited to two quadrangles through each subdivision step. The refinement rule yields a regular surface proved by analyzing the property of the corresponding subdivision matrix.
Key words: approximating subdivision    Midedge scheme    subdivision matrix
收稿日期: 2018-09-29 出版日期: 2019-03-25
CLC:  TP 391.41  
基金资助: 国家自然科学基金资助项目(61472466).
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引用本文:

檀结庆, 曹宁宁. 一种四边形网格上的Midedge细分格式[J]. 浙江大学学报(理学版), 2019, 46(2): 154-163.

TAN Jieqing, CAO Ningning. A new Midedge scheme of quadrilateral mesh. Journal of Zhejiang University (Science Edition), 2019, 46(2): 154-163.

链接本文:

https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2019.02.003        https://www.zjujournals.com/sci/CN/Y2019/V46/I2/154

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