Car Headlight Shape Design Based on Cubic Q-Bézier Curves

China Mechanical Engineering ›› 2013, Vol. 24 ›› Issue (14): 1961-1964,1969.

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Car Headlight Shape Design Based on Cubic Q-Bézier Curves

Guo Lei1，2;Ji Xiaomin1;Hu Gang1;Chu Jianjie3

1.Xi'an University of Technology，Xi'an，710048
2.Zhongshan Institute，University of Electronic and Technology of China，Zhongshan，Guangdong,528402
3.Northwestern Polytechnical University，Xi'an,710072

Online:2013-07-25 Published:2013-07-29
Supported by:

National High-tech R&D Program of China (863 Program) （No. 2009AA093303）;

National Natural Science Foundation of China（No. 51105310）;
Shanxi Provincial Foundation of Ministry of Education of China（No. 2013JK1029）

基于三次Q-Bézier曲线的车灯造型设计

郭磊1，2;吉晓民1;胡钢1;初建杰3

1.西安理工大学，西安，710048
2.电子科技大学中山学院，中山，528402
3.西北工业大学，西安，710072

基金资助:
国家高技术研究发展计划(863计划)资助项目（2009AA093303）；国家自然科学基金资助项目（51105310）；陕西省教育厅基金资助项目（2013JK1029）
National High-tech R&D Program of China (863 Program) （No. 2009AA093303）;

National Natural Science Foundation of China（No. 51105310）;
Shanxi Provincial Foundation of Ministry of Education of China（No. 2013JK1029）

Abstract

Abstract:

A method for car headlight shape design based on cubic quasi-Bézier(cubic Q-Bézier) curves was proposed herein, which described the car headlight shape contours with one single cubic Q-Bézier curves. Firstly, a cubic Q-Bézier curve with contral points was created and adjusted in a plane; then the curve was projected on the car's surface; finally, the car surface was trimmed and formed the final shape contours of the car headlight. This method, based on the principle of the cubic Q-Bézier curve generation and splicing, can modify the curve quickly by global or partial adjustment and obtain many design solutions.

Key words: form design, cubic , Q-Bézier curve, headlight;car

摘要：

用一条三次Q-Bézier曲线描述了汽车车灯造型轮廓;提出首先由设计师在平面视图中绘制并编辑汽车车灯造型的二维三次Q-Bézierr曲线轮廓图，然后将其投影到汽车车身上，最后通过对曲面进行修剪获得车灯造型轮廓的方法。该方法基于三次Q-Bézier曲线生成及拼接原理，可以迅速从全局或局部调整车灯轮廓线条，获得光顺的曲线效果，从而快速获得多个车灯轮廓的造型方案。

关键词: 造型设计, 三次Q-Bé, zier曲线, 车灯, 汽车

CLC Number:

U463.65

GUO Lei-1, 2, JI Xiao-Min-1, HU Gang-1, CHU Jian-Jie-3. Car Headlight Shape Design Based on Cubic Q-Bézier Curves[J]. China Mechanical Engineering, 2013, 24(14): 1961-1964,1969.

郭磊1, 2, 吉晓民1, 胡钢1, 初建杰3. 基于三次Q-Bézier曲线的车灯造型设计[J]. 中国机械工程, 2013, 24(14): 1961-1964,1969.

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Car Headlight Shape Design Based on Cubic Q-Bézier Curves

基于三次Q-Bézier曲线的车灯造型设计

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