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XY-graph

I'm having difficulty displaying a graph correctly with the XY-graph function. Each time the data is sent to the graph it writes over the previous data point. I want to have a display of all the values that are read to the graph but currently my graph only displays the last value any help would be greatly appreciated.
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Salutations,

As you have investigated, the XY graph doesn't store points like a "chart" does. In this case, why not just insert (insert into array) the values you desire into a matrix and have that replotted? Granted, you'll be forced to replot everytime something goes down, but such is life. Or just wait until all the data has been analysed and then plot it?

Sincerely,
ElSmitho
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