[请问]如何判断一条polyline是否闭合？

lxspine

[请问]如何判断一条polyline是否闭合？

谢谢！

gzs

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

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you can look up the reference