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How to retrieve data from the graph?

Hello,

Yesterday I started labview to record my experimental temperature but
forgot to record the data to a file. Now I still have the graph of the
temperature history and can play with it, such as changing x and y
scales. Therefore I guess the array that is used to creat this graph
still exists and maybe somehow I can retrieve the digital data. Could
someone tell me how to do this? Thank you very much!

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is it a graph or a chart??


Now I still have the graph of the temperature history and can play with it, such as changing x and y scales


Do you mean on your Front panel, your graph still displays the plot?? Not understanding what you are trying to convey.

can you post your atleast a pic of your block diagram??

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If it is a graph, just right-click on the graph terminal and select "create constant". You'll get all the graph data. Move the diagram constant to e.g. a new VI and save it to a file in the desired format using the file I/O functions.
 
If it is a chart, copy the chart to a new VI, create a property node "History data", read it and save the data to a file as above.
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