【转帖】[请问]如何判断一条polyline是否闭合？
 

[请问]如何判断一条polyline是否闭合？
[请问]如何判断一条polyline是否闭合？
[请问]如何判断一条polyline是否闭合？
谢谢！
adesk::boolean
isclosed() const;
this function returns adesk::ktrue if the polyline is closed or adesk::kfalse if not. if it is closed, then the last vertex will be considered connected to the first vertex by a segment; otherwise, the last and first vertices are not connected by a segment
//
you can look up the reference