tjherrlu 发表于 2012-11-7 12:15:06

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。。


lijiao 发表于 2012-11-7 12:23:49

与X轴正方向的夹角

tjherrlu 发表于 2012-11-7 12:50:01

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!~~~~~~~~~

zyhandw 发表于 2012-11-7 14:49:02

基础知识有待加强!
页: [1]
查看完整版本: 奇怪的angle函数