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Question basic about XY Graphs

Hello,
For example in my vi : Figure1.vi,I' d like write out XYGraph data to a file.For example, when I run the Figure1.vi, I can choice the differents graphs to display them simultaneous in the XY Graphs( And Mutlipllot).
I'd like after save the differents curves display in the XY Graph when I click on the button Enregistrer. It's important for me because I can load these graphs in the next running or excecution of the vi when I click on the button Charger.
I mention that Actually, the curves are the résults of simulation but not a fixed curve (sine, cosine)

What I makein this cas? I already modify my vi ( See the attachements) but I don't fid the solution. The difficult is to save just the curves which is display in XY Graphs, but not all curves
Can you help me, please?
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Hello Hassanaly,

You should be able to save the relevant curves by replacing the select function in the for loop with a case statement. In the true case you can put the file writing code and in the false case you can just output the empty waveform.

Good luck with the development,

Matt F
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