一个详细的绘图程序，内用所用绘图类的详细说明，源程序中部分代码已经被注释掉，如果需要可以把注释去掉，分别查看程序的不同功能！-a detailed mapping procedures, which used graphics with a detailed descr iption of categories, the source code has been some comment out, if necessary Notes can be removed, the procedures