Grasshopper

algorithmic modeling for Rhino

Scale NU on curved surface problem

 Hi guys, i have a curved surface in witch i have dispached a random  pattern, i want to scale those surfaces  in a non uniform way but when i use the scale Nu component and change the x,y parameters, the scaled surfaces seem to rotate. Any ideas!? 

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Permalink Reply by Fred Becquelin on June 6, 2013 at 9:23am

x and y factors are relative to the base plane x and y vectors. if you want each surface to scale along its own directions then you must input a specific plane for each one. Otherwise they'll be scaled along the world Cplane

Permalink Reply by Pieter Segeren on June 6, 2013 at 9:52am

Hi Yiannis, try the attached. The Expressions might be a bit overengineered, but I couldn't come up with a better way at this moment...

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