摘要
本文阐述了利用ＡｕｔｏＬＩＳＰ语言扩展ＡｕｔｏＣＡＤ系统命令的方法、技巧．以阶梯轴为例分析了基本图素的构成及其数据结构．并对扩展命令的数据输入方式进行了比较．
This paper discusses the method and skill of using Auto LISP language to expand Auto CAD system command. Taking step axis as an example, it analyses structure of basic drawing elements and data,and analyses and compares the patterns of data input of expanding command.
