# 3.8.7: 线-线相交 (Line-Line Intersection)

该运算器将线列表作为输入，并相互测试它们之间的交叉。输出端口**“IP”**提供交点列表。**“LSS”**反馈所有线段，包括由于相互交叉而产生的线段。输入线的列表和带有**“LSS”**线段的数据树分支之间存在着一一对应的关系。输入端口**“LTol”**以米为单位设置公差长度，以查找实际上不相交的线之间的交点。**“LTol”**也是线末端（例如在T形交叉点处）的最小线段长度。


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