Looking for a scenery design program

I am looking for a FS2002 compatible program which can create 'flight timing gates', which are like like frames in the sky with a crosshair in the middle. The first version of 'Aircraft & Scenery Designer' (which worked with FS4) allowed you to create these gates and included an algorithm which gave a performance score based on how well you flew through the gates. Does anyone know of such a program??? I need this to create a task for my Masters thesis, which is investigating the effects of time-compression and workload on learning a simulated flight task.
Thank you;
Christine
Christine9363@aol.com
Thank you;
Christine
Christine9363@aol.com