Curves normals going in the direction

Hi, at some sections, when offsetting the curves at some sections, they are going in a different directions, how can I make them all the same


?
Structure.gh (8.7 KB)

please “internalize” the input geometry - so it will be easier to help.
and post the file again.

the side to offset seams to be decided by the (projected?) tangent and the normal of the plane.

if you do not have to much curves / data - generate two offsets for all curves.
use the normal of the surface to filter the correct side.

as soon as you share the geometry - it should be possible to find the curves in question an then do one of the following:

  • flip the curve direction of the curves in question
  • flip the plane
  • inverse (+/-) the offset Distance

I wouldn’t even be surprised if the Plane input wasn’t provided something !

Thank you very much! will do