I am new to grasshopper, I was trying to array a geometry or curve along 2 curves, one is flat and the other is wavy, I was able to create lines or pipes alone the 2 curves but whenever I try to use a geometry or a curve or even a curve created in grasshopper the array goes all over the place.
I am sure there is something I am doing wrong so please help me solve this issue and learn from it.
Figure 1. is the lines along 2 curves
Figure 2 . is my miserable attempt to use geometry to closed curve.
PS, I tried to use method 1 with my curve and results were a mess
if you hover the mouse arrow over an input, it will give you info about what kind of data that input expects to collect
here, the N input wants an integer number that represents the number of elements you want to distribute along the curve: by connecting there a curve instead of an integer number, the component takes the length of the curve as input value, which is in this case is 829, and tries to distribute 829 of your base geometry along the curve C
the other thing is about curve direction: it looks like your curve start point is on the opposite side than your geometry, by flipping the curve you get a better result
Thanks you Inno, that was really clear, I understand now the basic logic.
One last question If I may bother you, is there is any way to array a geometry using 2 paths ?, now you can notice that the geometry is correctly arrayed from the top but the bottom is offset and going in an irregular manner?
Thank you so much for the quick and helpful replay
in a Curve Array the Geometry input is arrayed along a number (N) of perpendicular frames (planes) generated along the curve (C), using the very first frame (plane) as reference position of the Geometry
in this case the Geometry is diagonal to the refence plane, so it will stay diagonal also for all the other ones
if you also want 1-D scaling effect in such a way the head of the Geometry always lands on the top curve, there are almost infinite ways you can get there, this is one among the many (and not necessarily the best one):
why didn’t we just use “divide curve” on both curves, like in your first example, instead of generating vertical lines and intersecting them with the top curve?
because the top curve is not planar, which means it has different length than the bottom one, so its division points would not create “perfect vertical” lines: first and last lines would for sure be perfect vertical, everything else might not
Thank you for the detailed explanation, It was exactly what am looking for, I have to study your notes a bit as I got lost in some nodes, but its pretty clear
