奇怪的angle函数
AngleReturns an angle between two points in radians. To use that angle in AutoCAD you have to convert it back to decimal degrees. eg:(setq a (angle pnt1 pnt2)) sets the angle between pnt1 and pnt2 to the variable a.意思是从两个点确定一个角度。。。。但是我想来想去怎么也想不出两个点能确定一个角度啊
求救。。
与X轴正方向的夹角
lijiao 发表于 2012-11-7 12:23 static/image/common/back.gif
与X轴正方向的夹角
谢谢!~~~~~~~~~ 基础知识有待加强!
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