本包含两个程序，一个是实现二维数据（X,Y）实现画一个圆的功能。另一个是实现20万数据作为雷达强度反应到圆上。本案例是画雷达图的-This contains two procedures, one is a function achieve two-dimensional data (X, Y) to draw a circle. Another is the reaction to the data of 200,000 as radar intensity circle. This case