Grasshopper

algorithmic modeling for Rhino

EvalSrf yields points far away from the surface: why is that?

Hi everyone,

I am learning Grasshopper and I hope someone can help me figure out how EvalSrf works.

I wanted to run EvalSrf on the surfaces resulting from a DeBrep component. But when you look at where the points and vectors resulting from the EvalSrf componet are, the are not on the surfaces and some of them are even quite far away! Why does this happen?

Thank you!

Elisa

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Replies to This Discussion

Permalink Reply by Ethan Gross on August 29, 2017 at 3:54am

Since you didn't post your code, my guess is that you need to reparameterize your surfaces. Right click on 'S' in EvalSrf and check Reparameterize.

Permalink Reply by Elisa on August 29, 2017 at 4:42am

Thank you very much Ethan! It's working now!

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