Eric,
There is a known bug with the merge component. After the first path
it will throw a null value for the first item in each subsequent path.
I can't recall what people figured out as a temporary workaround, but
try searching for discussions about "merge" or "merge bug."
-taz
On Apr 29, 5:32 pm, aireq303 <aireq...@gmail.com> wrote:
> I'm trying to take a box and turn it into a mesh with 4 equally spaced
> faces per side of the box. So a mesh with 24 total faces. Then I want
> to take the four points from each face and create a poly line that I
> will later extrude.
>
> I think I've figured out how to do this with data trees. Here's what
> I've done.
>
> Start with a box.
> Turn it into a mesh with Mesh Box
> Split up the Mesh with Mesh Components
> Used Graft to create a data tree based on the Faces of the mesh.
> Get the corners of the face with Face Components
> Merge All four points back together into a list.
>
> After the merge I have a Structure with 24 paths (for 24 faces), and
> each path has N=4 for four point indexes per face.
>
> But If I actually look at these values the first face has four
> indexes, yet every other face only has three indexes with the fourth
> value being null. Cleaning the tree gives me a structure like this
>
> Structure (Paths =24)
> path {0;0;0} (N = 4)
> path {0;0;1} (N = 3)
> path {0;0;2} (N = 3)
> path {0;0;3} (N = 3)
> etc...
>
> What's going on here? How come all my faces don't have four points? If
> I pull out any face manually with List Item I do indeed get four
> points.
>
> Eric
