（计算机图形学） 凸包算法 用vba for cad编写 运用Jarvis march（包裹法） -convex hull (vba cad） using Jarvis march

用于在AutoCAD中绘制渐开线。 用法：运行AutoCAD并加载模型空间，加载并运行此宏，输入相关参数后点击按钮，然后模型空间就会出现图形。(Used to draw the involute in AutoCAD. Usage: run the AutoCAD and load the model space, load and run the macro, click the button after entering the relevant parameters, and then t

对CAD图形面积求和，方便快捷，希望为你的绘图工作带来便利(It is convenient and fast to sum the area of CAD drawing. I hope it will bring convenience to your drawing work)