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Curve orientation to face certain direction July 25, 2022, 2:41 p.m.

You can modify the normals directly after you have placed the curves on the points using orientation (or whatever). If you don't want to modify the normals, it is probably impossible to orient the curves making the normals look at one direction, because the normals of two points can have opposite direction, which is untouched by translation and rotation.

Here is a file

Converting edges to curves July 24, 2022, 1:22 p.m.

Here is an approach, starting with a grid, defining arrays of points for each row and column and extracting curves from each array. Once you have curves you can resample them and make the intersection points equidistant (in u-space). After this you can subdivide your gridpoints and move the the gridpoints to the corresponding curves.

I haven't tried, but boolean operation should also work, once you have the curves ... .

Chain SOP - keep geo vertical along curve June 19, 2022, 4:39 p.m.


I would calculate an usual orientation, where v@N is the tangent. After this you can set v@up to Y and recalculate v@N based on the existing one.