I am trying to create a Rollercoaster.

I have a basic path for the track to follow and a profile for the track shape.
I am using a sweep as expected to create the track.

At the point where the track begins and ends do not align.
To fix this I branch a xform sop off the track path and translate it up 1 unit.

Now I am trying to get the track to bank at the curves and to do this I am trying to use an attribreorient sop set up lik this:

a grid set to 2x2 is swept along the path
delete all but one primitive using stamp()
use the attribreorient to get orientation
delete all points > 0
copy track shape to remaining point using the orientation atributes
skin the output

the copy sop produces 2 stamps, one controls the rotation of the track profile for polygon input, the second controls the deletion of primitives at the template input.

the trouble is that theall the profiles are copied to the same template primitive.

I am including the file so you can see what I am doing easier.