Shatter Curve at First Intersection?

Hi,

I have 2 circles which I divide and make rays out of them. These rays intersect, sometimes more than once, and I would like to trim the rays after their first intersection. How can this be done?

This ultimate goal would be to apply this to a more complex tree:

Attachments:

Circle Intersections.gh, 11 KB

Replies to This Discussion

Permalink Reply by Joseph Oster on November 3, 2017 at 2:50pm

Why are your circles so incredibly far away from the origin?

-289934.35168, 24733.23505!!!? -298104.13466, 23503.67451!!!?

Permalink Reply by Joseph Oster on November 3, 2017 at 3:26pm

This effort demonstrates a tricky detail that your diagram also missed. See the four short "rays" that don't touch anything? They happen because the lines they intersect with have been chopped off by intersecting other lines, so these four never actually touch any other lines. This suggests to me an iterative process (Anemone loop) that tests and cuts one pair of lines at a time, though it would be difficult to know where to start, which pairs to check first.

Attachments:

CircleIntersections_2017Nov3a.gh, 15 KB

Permalink Reply by ShynnSup on November 3, 2017 at 4:00pm

Mmm you are indeed right Joseph, Those are actually the "first" intersections on the curve...
Maybe the thing is not to trim the line, but to cull the non wanted points. Then the lines can be reconstructed with these intersection points. But again, how would one cull the list of points so that only the correct ones remain?

Permalink Reply by Erick Vásquez on November 4, 2017 at 7:33pm