Surface from Four Curves - Loft? Sweep? Planar Surface?

Hey guys,

I'm just getting to grips with grasshopper and have come a bit stuck.

If anyone has a moment to look at my file and explain the best way to create a surface that maps to the four curves shown.

I've tried Loft, Sweep and Planar Surface.

Loft seems to get the closest, I think maybe my data tree is mixed up because things are a bit off.

Any help would be appreciated massively!

Thanks, Luca

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Replies to This Discussion

Permalink Reply by djordje on January 14, 2014 at 4:43pm

Hi Anna,

Try using the "Edge surface" component and feed all four of your input curves.
Maybe that will work.

Permalink Reply by Luca Anna on January 14, 2014 at 4:58pm

Wohoo! That did the trick! Thanks ever so much. Out of interest, what would you use if there was more than 4 curves?

Permalink Reply by djordje on January 15, 2014 at 11:51am

You mean, more that 4 curves - for 'edge curves'? I think "Patch" component will do the trick.

Permalink Reply by John Hupp on January 14, 2014 at 6:01pm

Loft 2 Rails should work, with two opposite curves as the rails and the other two as cross sections. This approach might get you a bit more curvature in the middle (which would be useful for a structural vault) than Edge Surface, which would probably flatten the middle a bit more. Last I tried, though, (in August) Loft 2 Rails was broken in Grasshopper, so you'd have to try it in Rhino proper.

Permalink Reply by Luca Anna on January 15, 2014 at 11:31am

That worked too, just as you said, with more curvature. I used the component Sweep 2. Thanks, aL

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