Virtual joystick pointer to follow picture of shape

I have a virtual proportional joystick which controls a two hydraulic cylinders in a xy format ie both cylinders 50% extended is the x0 y0 position(park position). I can manually control the cylinders but I would like to create....say a circle or any closed shape and have the joystick pointer follow the preselected shape automaticlly with a speed control. I was wondering how to do this, mybe using some kind of corrdinate control. Many thanks for any help. 
Message Edited by alanled on 11-19-2008 06:34 AM

Again, a picture would help me follow you.
As it stands it sounds like you want a dot to move along the path defined by an object in the picture control. Is that correct?
Since I am not sure if I understand your request let me share a link to a thread where I have been gathering links for Picture control threads. Reply #27 of that thread has an embroidery example that may be helpful.
Please forgive me if I am not helping,
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction

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