Programmable Page Buttons

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Hello Azeotech

I currently have a plot of strain vs force on Page 0 and was looking to add some buttons to this page it to make everything user friendly. I need to create buttons on this page that can start my graph plot, stop my graph plot, clear the trend of the plot, log the data to the plot and save the plot. I currently have made the buttons but I do not know what the exact quick sequence would look like to do the actions I need. I was hoping to get directed to a link with the available functions that can support what I am trying to do.

Thank you for your time in advance,


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It actually requires a little more than just a function call.  What you want to do is create two global variables to hold the start and stop time of the graph.  You can create an auto-start sequence to declare them, or do it in the button for Start.  So, assuming the second, the script might be:

global st = systime()
global et = st*2

then in your graph, have it subset on time:

myStrainChannel[st,et] vs. myForceChannel[st,et]

That way only data between the start time (st) and end time (et) will be plotted.  We set et to twice st so it plots new data coming in.  To stop the plot, we set et to the current time:

et = systime()

That way any new data will be after et, and won't appear.  I don't know what you mean by log the data to the plot, but to save the plot, create an export set where the two items are the same as the trend expressions (myStrainChannel[st,et], etc) and have the button start the export set.



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  • 2 weeks later...

Thanks for the help! I made buttons for start and stop with those two corresponding pieces of code you described in your response. I was a little confused on how to start/stop an export set using a button specifically the start and stop button that is mentioned earlier. I saw the option to make a logging set in the logging tab that can log my strain and force data and I was wondering if I could start/stop that log using the same start/stop button for my plot?

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Sure, but a logging set is continuous logging, so you'd have to start the logging set with the experiment start, and stop it when it stops.  Really an export set is better suited for this since the exact start and stop point of a logging set can vary by as much as 1 second.  Anyhow, you can use:




script statements to do what you want.

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