| 直线与Bzier曲面求交的分割迭代综合法 |
| |
| 引用本文： | 李江萍,许永年,张子清. 直线与Bzier曲面求交的分割迭代综合法[J]. 计算机应用与软件, 1997, 0(5) |
| |
| 作者姓名： | 李江萍 许永年 张子清 |
| |
| 作者单位： | 华中理工大学机械工程与科学学院，华中理工大学机械工程与科学学院，华中理工大学机械工程与科学学院 武汉 430074，武汉 430074，武汉 430074 |
| |
| 摘 要： | 本文所介绍的适合光线跟踪算法的直线与B(?)zier曲面求交的方法,采用了空间一般位置的圆柱和长方体作为曲面包围盒,并综合利用了分割法的稳定性和牛顿迭代法的效率,从而加快了用光线跟踪技术生成Bzier曲面的真实感图形的速度。
|
| 关 键 词： | 光线跟踪 真实感图形 |
A NEW ALGORITHM TO DETERMINE THE INTERSECTIONS OF LINE AND BEZIER SURFACE |
| |
| Li JIANGPING Xu YONGNIAN ZHANG ZIQING. A NEW ALGORITHM TO DETERMINE THE INTERSECTIONS OF LINE AND BEZIER SURFACE[J]. Computer Applications and Software, 1997, 0(5) |
| |
| Authors: | Li JIANGPING Xu YONGNIAN ZHANG ZIQING |
| |
| Abstract: | This paper presents an algorithm called subdivision iteration method, to determine the intersections of lino and Bezier surface applied to ray tracing. This algorithm takes the stability of subdivision and efficiency of Newton iteration method, and 'replaces the max-min bounding box with generalized cylinder and cube bounding box. Because the volume of generalized cylinder and cube bounding box are much smaller than that of max-min boundling box, the number of subdividing is reduced, so this algorithm is more efficient. |
| |
| Keywords: | Hay tracing realistic graphics. |
| 本文献已被 CNKI 等数据库收录！ |
