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Thread: Need some geometry help
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12-01-2014, 02:57 PM #5
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- Oct 2014
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Using theta and Ro you can determine the 2 dimensional position of the center of the cross section using the following and solving for x and y
Sin theta = y/Ro
Cos theta = x/Ro
The same math would determine the 2 dimensional position at the end of Ri on the cross section
Sin phi = y/Ri
Cos phi = x/Ri (this would also be the Z position in the 3d representation)
Finding the 3d x and y positions is a bit more complex and to be completely honest, it's late enough in the day that I don't want to think that hard.
Edit, re-read your post. So theta is given and the x/z/y coordinates where Ri hit the surface are given?
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