You can make two more segments just to close that polyline in a closed curve.

您可以进行两个部分只关闭在一个封闭的曲线，折线。

youdao

You can make two more segments just to close that polyline in a closed curve.

您可以进行两个部分只关闭在一个封闭的曲线，折线。

youdao