Grasshopper

generative modeling for Rhino

Map Helix/Corkscrew to Mesh object

Hello!

 

I'm trying to map a series of helical curves onto this mesh object.  So far I've only been able to get the one curve to work (see JPG), and even then it doesn't fit the mesh very well.  Ideally, I want to then loft the curves to create a corkscrew surface of sorts.  I feel like some sort of isotrim is necessary?

 

Any advice/input is welcome.

 

Thanks!

Josh

Tags: helix, mesh

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Permalink Reply by taz on November 30, 2011 at 3:42pm

You want to do like a cylindrical projection of the curve to the mesh?

Permalink Reply by Josh Gerber on November 30, 2011 at 3:43pm

Yeah, but not just a single curve.  I'd like to break down the mesh into cylindrical curves, if that makes any sense.

Permalink Reply by taz on November 30, 2011 at 3:54pm

hmm...

 

You could mess around with Kangaroo to achieve a shrink wrap effect (search for shrink wrap).  That's the only GH way I can think of to pull points to a mesh.

 

Otherwise figure out a way to convert your mesh object into single surface and you might have more options (project, closest point, curve on surface, etc...).

Permalink Reply by taz on November 30, 2011 at 6:47pm

Actually, give this a try...  Not the cleanest solution, but functional.

It's a simple mesh/line intersection routine.  Draw any curve around your mesh object.


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Permalink Reply by Josh Gerber on December 1, 2011 at 8:29am

Thanks Taz!  I'll give this a try.

Permalink Reply by Josh Gerber on December 1, 2011 at 9:04am

I ended up using just contours, but that's exactly what i needed.  Thanks so much for your help!!

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