Grasshopper

algorithmic modeling for Rhino

Piker Circle Packing

I'm just playing with circle packing, and I found this gif by Daniel Piker on this thread: http://www.grasshopper3d.com/photo/circle-packing-1

Could some body please explain to me the basic logic to this gif,  i understand the triangulation and circle creation, but what creates the expansion and stopping at the boundary curve?

I just need some steering or even component name so i know what to research.

Thanks

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Replies to This Discussion

Permalink Reply by djordje on March 7, 2013 at 6:20am

Hi Nick,

Not sure I could help you with the logic.
But Daniel attached the definition here:
http://www.grasshopper3d.com/group/kangaroo/forum/topics/circle-pac...

Permalink Reply by Nick Tyrer on March 7, 2013 at 7:43am

That definition from what i can tell doesn't include anything related to the boundary control.

Permalink Reply by Yoann Mescam (Systemiq) on March 7, 2013 at 8:10am

I would say PullToSurf should be working (with surface defined as the disc defined by the circle boundary).

Or CollideSurf with the Brep defined as a thin cylinder from the bounday.

Add unary force from center of circle to point for the expansion.

Attachments:
Permalink Reply by Nick Tyrer on March 7, 2013 at 9:37am

ahh i was missing the unary force to go with the pull to surface. Thanks systemeiq

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