Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53845#.VNhWvyzQrzE Author(s) Tianyong Zheng , Jing Wei , Zhengtao Shi , Tingting Li , Zhen Wu Affiliation(s) School of Textile Engineering, Zhongyuan University of Technology, Zhengzhou, China . ABSTRACT Modeling the 3D geometric configuration of yarn is the base of building the 3D fabric structure. The surfaces of the yarns are modeled by many facets. To improve the efficiency of modeling, 3D yarn is usually designed by Bezier curve, spline curve or B-spline curve on the principle of Computer Graphics. The paper reviews different 3D modeling methods for single yarn from the view of cross-section and central line. Some improvements for a better visual effect such as inserting twist and hairiness are illustrated as well. Based on the single yarn, the folded yarn and some fancy yarns can also be modeled in 3D space as long as the cross-sections of the control sec...
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