| 数字化曲面的法矢求解 |
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| 引用本文： | 易传云,王涛. 数字化曲面的法矢求解[J]. 华中科技大学学报(自然科学版), 2002, 30(8): 49-51 |
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| 作者姓名： | 易传云 王涛 |
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| 作者单位： | 华中科技大学机械科学与工程学院 |
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| 基金项目： | 国家自然科学基金资助项目 ( 5 0 0 75 0 31 ) |
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| 摘 要： | 采用累加弦长三次样条参数曲线，先求出离散点处两个方向的切矢，进而求解出该离散点的法矢，与传统的用样条曲面的方法求数字经曲面法矢的方法不同，采用本方法精度高，可以满足仅仅需要离散点处的法矢的场合。
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| 关 键 词： | 数字化曲面 法矢 离散点 样条 |
| 文章编号： | 1671-4512(2002)08-0049-03 |
| 修稿时间： | 2002-01-29 |
Solution of the normal vector on digitalized surface |
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| Yi Chuanyun Wang Tao Assoc. Prof., College of Mech. , Eng. Huazhong Univ. of Sci. , Tech.,Wuhan ,China.. Solution of the normal vector on digitalized surface[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 2002, 30(8): 49-51 |
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| Authors: | Yi Chuanyun Wang Tao Assoc. Prof. College of Mech. & Eng. Huazhong Univ. of Sci. & Tech. Wuhan China. |
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| Affiliation: | Yi Chuanyun Wang Tao Assoc. Prof., College of Mech. & Eng. Huazhong Univ. of Sci. & Tech.,Wuhan 430074,China. |
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| Abstract: | This paper presented the solution of normal vector by using the method of the accumulative hypotenuse trispline curve. Two directional tangent vectors of discrete points were first calculated, and then the normal vectors of discrete points also calculated. Compared with the conventional spline surface method, this method is precise to solve the normal vector of the finite discrete points. |
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| Keywords: | digital surface normal vector discrete points spline |
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