# 3.9.7: Line-Line Intersection

This component takes a list of lines as input and mutually tests them for intersection. Output-plug

**“IP”**delivers a list of intersection points.**“LSS”**returns all the line-segments including those which result from mutual intersection. There is a one-to-one correspondence between the list of input lines and the data-tree branches with line-segments at**“LSS”**. The input-plug**“LTol”**sets the tolerance length in meter for finding intersections between lines that do not actually intersect.**“LTol”**is also the minimum length of segments at the ends of lines (e.g. at T-intersections).

Line_Line_Intersection_At_A_Distance.gh

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Line_Line_Intersection_Resulting_Beam_Structure.gh

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