Drawmap程序具备基本的画圆、椭圆、直线、多边形等绘制矢量图形功能及图幅整饰功能，-Equipped with the basic procedures Drawmap drawcircle, ellipse, straight line, polygon rendering vector graphics and other functions and Maps finishing functions,

一个图形图像处理系统的完整工程文件，具有对图形的基本绘制等功能。可扩展为矢量化系统或者影像处理系统。-A graphic image processing system complete project file with the basic graphics rendering functions. Can be extended to vector-based system or image processing system.