Grasshopper

algorithmic modeling for Rhino

Hi all

 

I am tryig to create a project that included both planar and non planar offset points so looked into trying to create a planar offset with pure maths and vectors but can't crack the code to get all points to offset the right distance inwards.

 

Does anyone know where i can find the maths for this ? or created offsets in this way.

 

Thanks matt

 

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Replies to This Discussion

hey, can you skecth something? I can´t understand really your aim?

 

Best Regards

 

DeDackel

Hi DeDackel

 

Realised this morning the best way to explain it is i want to do Weaverbird Frame command with more that 4 corner points with precision of a planar offset. I have written all the code that creates the meshes for orginal and offset points but yet to work out how to create the offset.

 

Thanks matt

 

Hi Matt,

Have you seen Jacek's 3D offsetting?  http://www.grasshopper3d.com/forum/topics/offseting-3d-curves-compo...

Hi Danny

 

That close to what i need though will only take convex curves. It good to see it simular to the code i have been working on, i just could not crack the final equation. I will have a look into making it understand convex and concave curves. and also try and work out if i can get greater precision.

 

Thanks

Matt

 

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