The control sector that contains your rope hang parameters should have its parameters lindef lined up with the x-axis (horizontally). Right now they're lined up with the y-axis (vertically). The vertical component of those parameters define the sequence of your zoom tube waypoints.
Check again how the rope hang parameters in ACZ are drawn for clarification.
The concept of making zoom tubes (making rope hangs is very similar to this) in a level, for me, was a very difficult concept to grab just by looking at the official levels. But when looking at any example of how zoom tubes were made, you have to consider every aspect related to the zoom tube.