Grasshopper

algorithmic modeling for Rhino

Perpendicular projection

Hi everyone. 

So I have this closed curve (blue curve) which I divided. I want the resulting points to get projected perpendicularly to the white curve. 
I've tried the Perpandicular frames component but it doesn't keep the same points and the projections lines are sometimes not even perpendicular to the curve. 
Here's a screenshot: 
Is there a mistake in the definition or another way to create perpendicular lines? 

Thanks. 

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Permalink Reply by Matt Gaydon on February 22, 2017 at 4:08am

I do not have the all the plug-ins you have installed so made a quick example. 

You could also directly intersect the planes with the curve but as the planes are infinite and the curve is closed this will produce more than one intersection per plane.

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Permalink Reply by Ponnou on February 22, 2017 at 7:59am

Hi and thanks for your time and help. 
I've tried the definition you posted and both options work really fine. 
Thanks a lot! 

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