python画图

用Csharp做的AutoCAD的二次开发，实现dwg文件的读取显示，保存(Csharp do secondary development of AutoCAD, the dwg file read, save)

说明：  读取txt数据，根据数据绘制图形，可用于示波器信号读取(Read the data of TXT, draw the graph according to the data, which can be used to read the oscilloscope signal)

PSCAD暂态电压恢复模型，含PDF资料(Transient Recovery Voltage (TRV))

用于绘制任意阶次的bezier曲线，只需要输入节点坐标即可(The Bezier curve for drawing any order)

CAD批量打印源码程序，例程结合易语言应用接口支持库、拖放支持库、扩展功能支持库，创建Autocad.Application对象，实现CAD对象的属性、方法，可以批量打印。(CAD batch printing source programs, routines combined with easy language support library application interface , drag and drop support libraries , extensions support library , create Autocad.Application object implementing the CAD object s properties , methods, you can batch print .)

用于求解各阶贝塞尔函数和汉克尔函数零点，希望对大家有帮助。(besselj and hankel functions)

说明：  绘制磁滞回线，模拟磁滞回线产生的过程，便于理论分析建模(Drawing hysteresis loops to simulate the process of hysteresis loops is convenient for theoretical analysis and modeling.)

对给定的离散点，先拟合成B样条曲线，再求B样条曲线曲率(The program can help you to get the curvature of the B-spline curve from discrete points.)

基于PSCAD的距离保护算法实现的程序，对搞保护的有用~(Program implementation based on the the PSCAD distance protection algorithm, useful to engage in protected)

恒定声速梯度下的声线模型Matlab作图源程序(onstant velocity gradient model of voice)