With the development of computer graphics and CAGD, geometry modeling is an important research field in the computer graphics. The generating efficiency and the effect of the surfaces is always very important part.

• 随着计算机辅助几何设计(CAGD)与图形学的发展,几何造型技术在许多领域得到了广泛的研究和应用,其中关于曲线曲面的生成效率和生成效果一直是其中很重要的内容。