The technology of routine clipping plays an important role, and is an foundation of many important problems in the computer graphics process. The speed of clipping has a direct effect on the graphics software package ′ s speed. 线段裁剪技术在计算机图形处理中占有重要的地位,是计算机图形学中许多重要问题的基础,裁剪速度的高低直接影响到图形软件包的运行速度。