一款南方CASS的应用小程序，修改符号，内插高程点及断面的提取等。-The application of a small Southern CASS program, modify the symbols, interpolated elevation and section of the extraction point.

一些UG二次开发的应用小案例，主要帮助初学者，了解UG二次开发的基本功能-Some of UG applications developed case, mainly to help beginners to understand the basic functions of UG secondary development