Grasshopper

algorithmic modeling for Rhino

Evaluate a surface

Hi there,

 

I'd like to do the equivalent of the "Evaluate Surface" Gh component but in a VB one.

Could anyone tell me what is the right function to use and what is the right syntax for the arguments ?

 

I've tried with "Evaluate" but it is asking for more than just u and v coordinates and I can't understand why.

 

Many thanks

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Replies to This Discussion

Permalink Reply by Rajaa Issa on January 4, 2011 at 3:37pm

Hi Adrien,

 

If you have a surface, u and v and want to get point on surface and normal at (u,v), then you can find the point using:

surface.PointAt(u,v)

 

and the normal using:

surface.NormalAt(u,v)

 

-Rajaa

 

Permalink Reply by Adrien Escoffier on January 5, 2011 at 9:31am
great thank you rajaa!

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