How to make it to move

hey
here is a example that can draw 2 circles and 1 oval. I want to know how to make the second circle round with the first circle aloong oval.
thank you
fay
[email protected]
Attachments:
Picture4.vi ‏40 KB

The blue circle should be drawn as last element, using a loop. You just need to calculate the postion of the center. Quite easy if you use polar coordinates, since an ellipse equation is simply
x = a sin Alpha + xoffset
y = b cos Alpha + yoffset
where a and b are the semi-axis of the ellipse.
I have modified your vi accordingly. There is still some tunning to be done on the x and y offset, since the ellipse is not centered on the central circle.
Chilly Charly    (aka CC)
         E-List Master - Kudos glutton - Press the yellow button on the left...        
Attachments:
Picture4[1].vi ‏51 KB

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