论文部分内容阅读
根据作者采用重节点非均匀B样条方法进行汽车车身计算机辅助几何造型初步实践,介绍了实现车身CAGD的主要技术即车身表面曲线曲面的构造方式,并给出了基于该技术的造型实例。由于B样条的局部性、直观性和保凸性等优点,引入了重节点技巧,使作者基于该方法所研制的软件具有较强的曲面造型功能。
According to the author ’s initial practice of computer aided geometric modeling of automobile body with heavy node non - uniform B - spline method, the main technique of realizing body CAGD is introduced, ie, the construction of curve and surface of body surface and the modeling examples based on this technique are given. Because of the advantages of B-spline localization, intuitionistic and convexity-preserving, this paper introduces the heavy node technique, which makes the software developed by author based on this method have a strong surface modeling function.