Grasshopper

algorithmic modeling for Rhino

Angle between Vectors - Positive and negative?

I am able to calculate the angle between a panel and the preceding panel,

and I am outputting the deviation in degrees (if the panels are coplanar the deviation is zero)

But I would like to define one type of fold as positive(in), and the other as negative(out)

Is there an alternative way of calculating the angle to achieve that?

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Replies to This Discussion

Permalink Reply by Gui Talarico on December 7, 2015 at 9:29am

I solved it by getting the end points of extended segments and checking for inclusion.

This method only works if it's a closed shape, and is probably more cpu-expensive.

I found other suggestions here:

http://www.grasshopper3d.com/forum/topics/why-the-angle-between-vec...

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