Displaying multiple data sets on a single chart.

I am collecting data from 5 identical stations. There is not enough room to display 5 charts on my screen so I have set up a station selection drop down so the user can determine which set of data is displayed.
My problem is that I don't know the best way to store the data in the background. I need to store something like the last 500 data points for each station.

Hi;
LabVIEW automatically allocate memory for your data in the program, which mean that while the program is running you can think that your data can temporarely be stored in the wires of your code
To see what I mean, check the attached vi. It allows you to select which waveform to display in the chart, which look like it "stays" in the border of the while loop. This is just a "quick & dirty" solution. Because are only 500 points per station, it should not be too much problem.
Another q&d way to do something similar is by using local variables.
To store the data indefinively, consider saving it in a spreadsheet-style file.
Regards;
Enrique
www.vartortech.com
Attachments:
Select_source.vi ‏48 KB

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