It was mainly introduced the several technologies including ObjectARX of AutoCAD 2000 software,OpenGL and Visual C++ 6.0 to draw up the Curvature Chart Drawing System.

• 主要介绍利用AutoCAD 2000提供的二次开发工具ObjectARX；以及OpenGL图形接口；采用Visual C++6.；0编制曲率图绘制系统的若干技术。