Is there another surface orientation check other than direction I must perform in order to get grasshopper to evaluate lines from the same direction across multiple surfaces?
direction.gh (30.9 KB)
switch the wires for the guide curve and the curve…
Thank you!
Could you please explain what it does?
Also, how come you don’t have the dashed lines like I do?
All it does is flip the curves using a single curve as a guide for the general direction.
Btw… if this solves your problem, mark it as a solution.
Already done, thanks!
Still trying to understand fully, so does the flattening of the list of curves have anything to do with why this works?
Nope, I just needed to get a single curve out of the list. Whatever curve you input as a guide will give the general direction for all curves.
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Oh, now I get it!
Thank you so much for helping me understand.
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That’s half the fun on this forum 
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