Want to have Z-modulation on a Lissajous for a defined period by another signal

I want to have a Z-Modulation on a Lissajous figure.This means that I could make the beam off/on for a defined period by using another signal. I need an example to simulate a cathode ray tube with beam off/on provision. For this a seperate Z-signal (square wave) can be simulated.
Please help and guide. I am using LabView 7.0 Express.
Solved!
Go to Solution.

If you would create a square wave for your z-modulation it will alternate between -1 and 1 by default. Just take the square-root of it an multiply it with your x or y signal to generate NaN where z was -1, while leaving the rest of the points unchanged.
See image for a quick draft.
Message Edited by altenbach on 10-07-2008 07:36 AM
LabVIEW Champion . Do more with less code and in less time .
Attachments:
zmodulation.png ‏32 KB

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Want to have Z-modulati​on on a Lissajous for a defined period by another signal

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Want to have Z-modulation on a Lissajous for a defined period by another signal