With the help of this thread:
http://groups.google.com/group/grasshopper3d/browse_thread/thread/3af2a4b27bb000de/
sort the divided points so that they are in the order: "line A/point
1, line B/point 1,C/point
1, line A/point 2, line B/point 2, etc."
Then create lines that go from each point to the next in the series
(using the shift list component). Then cull every third line in this
case (or the equivalent of the number of curves you have) and the join
curves to create polylines.
There are other methods, like using the surface from points component
and extracting uv curves (this will create degree 3 curves, not
polylines). Maybe loft them together with the "straight" option and
get uv curves, but not sure about this one.

On Nov 16, 10:41 pm, Andreas <[EMAIL PROTECTED]> wrote:
> Hi
>
> This is my problem.
>
> I want to create a polyline through a number of points, but have some
> difficulties.
> The setup is like this:
> I have three (or4,5,6...) lines, lets call them A,B and C.
> I then divide these, by using "divide curve" and a "slider",  by say 8
> points.
> Now I want to connect line A/point 1, line B/point 1 and line C/point
> 1 with a polyline (or a curve).
>
> What I get is a polyline connecting line A/point1,2,3 etc before
> connecting to line B and so forth.
>
> When answering/suggesting please assume that I have no knowledge of
> grasshopper:-)
>
> Cheers and thanks
> Andreas

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