Numeric text edit field filled out automatically when I clicked in the plot's either X_axis or Y_Axis. Is that possible in matlab app designer?

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Dhaval 2023-7-25

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https://ww2.mathworks.cn/matlabcentral/answers/2000393-numeric-text-edit-field-filled-out-automatically-when-i-clicked-in-the-plot-s-either-x_axis-or-y_ax

评论： Dhaval 2023-7-31

For example: Here, we have plot vehicle count vs time. I want to use plot's some values in my app for further process. Like if I click on 15s on time_axis, it take value from plot and fill that value in text edit field of the app. So, I don't have to put value manually in edit field. Is that possible in matlab? if yes, could you share links, where I can get idea about it.

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Answer 1

Menika 2023-7-25

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Hi,

Yes, you can use MATLAB's interactive features to capture user input from a plot and update a text edit field in your app accordingly

Create your MATLAB app using the App Designer.
Add a plot to your app's UI where the vehicle count vs. time data is displayed.
Add a callback function to the plot's ButtonDownFcn property. This function will be triggered when the user clicks on the plot.
In the callback function, capture the x-coordinate (time) of the clicked point using the CurrentPoint property of the plot.
Retrieve the corresponding value from the plot data based on the clicked x-coordinate (time).
Update the text edit field in your app with the retrieved value.