[화면 캡처 2021-02-12 203557] Extend_Line.gh (16.1 KB) Hello, thank you always for the forum. I’m writing because I have something I want to get advice from. I’m thinking about how to extend it like the attached picture using several lines, but I don’t have a clue about the solution, so I’d like to…

[image] Get boundary from curves Grasshopper The curves don’t touch each other? So you need to Extend Curve and then find intersection points. However, your curves are not all co-planar so they don’t all intersect. You can project them to a plane and then it will work: …

Hello there is no good way better than your way. The better advice is you implement the rules you want. Because I don’t see which logic for that [image] I gave a try with Gilbert Tessellation but, I didn’t cut the curves at the intersection [image] Slightly better with 2 tesselations [image] …

The way I want is to modify the existing line, and it wasn’t to make a new line. Thanks for your reply! Let me think about it again.

Thank you for your answer. I think I need to make my thoughts more concrete.

Ok, so I think the best is you make a program, a bit like Gilbert Tessellation (the sources are visible) and you tune it for your need. [image] Gilbert Tessellation Gallery After some works on Gilbert Tessellations I found some problems with my script, the logic was not …

Thank you. Let me check the appropriate add-on.

[extend curves] extend curves.gh (15.3 KB)

What’s the point of starting with curves that already intersect? Use the geometry that was presented in the first post where the line segments don’t touch each other.

I think it’s a good attempt, but I don’t think it’s the result I want.

To explain further, it is the centerline extracted from the Steel Frame drawing, and it is an attempt to obtain the boundaries of the deck plate.

I'd like to get some advice on how to extend many lines

Grasshopper

NDM (NoD) February 22, 2023, 3:07am 15

Hi Sir.
I have downloaded the plugin but I do not see the component sample. Please help me.

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I'd like to get some advice on how to extend many lines

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