ST_Curve是一个专业的曲线绘制控件，只要是xy坐标系的曲线，都可绘制，纵坐标只能显示为值，横坐标可以显示为值或者时间。-ST_Curve is a professional drawing curve controls, as long as xy coordinates of the curve, can be drawn, the vertical axis only shows the value, the abscissa can be shown as the value or

这五个文件包含五个基本函数，例如，检验点是否在一个多边形内，计算两个时间字符串代表的时间差，显示一个vector的内容等。-/* This method is to check weather a point is inside a polygon outside it*/

计算时间序列的分形维数，方法为圆规法计算，可以进行形象显示，但需设置合适参量-Calculated the fractal dimension of the time series, the method is the compass method, image display, but need to set the appropriate parameters