纺织学报 ›› 2006, Vol. 27 ›› Issue (3): 24-26.

• 研究探讨 • 上一篇    下一篇

用B样条曲面构建纱线三维模型的研究(Ⅱ):纱线捻度的三维模拟

郑天勇1.2;崔世忠2   

  1. 1.中原工学院纺织学院 河南郑州450007 2.天津工业大学纺织学院;天津300160
  • 收稿日期:2004-03-14 修回日期:2005-09-09 出版日期:2006-03-15 发布日期:2006-03-15

Study on constructing the 3D yarn model by B-spline surface (part Ⅱ):inserting 3D bumping texture on the surface of the yarn

ZHENG Tian-yong;CUI Shi-zhong   

  1. 1.School of Textile;Zhongyuan Institute of Technology;Zhengzhou;Henan 450007;China;2.School of Textiles;Tianjin Polytechnic University;Tianjin 300160;China
  • Received:2004-03-14 Revised:2005-09-09 Online:2006-03-15 Published:2006-03-15

摘要: 在用B样条曲面构造具有不同截面的纱线三维模型基础上,对截面随机加上凹凸扰动,并沿着纱线的径向对各个截面进行旋转,使得纱线表面产生波浪状的捻度效应,相当于在纱线表面添加了三维凸包纹理,提高了模拟纱线的逼真程度,对于圆形截面纱线的效果特别显著。

Abstract: Having constructed a single yarn with different cross sections 3D model,a concave-convex type turbulence is exerted randomly on the cross sections while rotating the sections along the radial direction of the yarn so that a wave-like twist effect is generated on the yarn.This is equivalent to the 3D bumping texture being inserted on the surface of the yarn,improving the vividness of the simulated yarns,especially to the yarn with a nearly round cross section.

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