How to take value of X and Y from plot put it in Text Edit field using button press in Matlab App?

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Dhaval 2023-8-25

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评论： Harald 2023-9-4

Hello,

I want to extract value of X and Y from plot to Text edit field like I have attached image of my plot, Now on the X Axis I want only x value 5.1159m/s into my text field while press the button and on the Y Axis I want two value 1.01864 and 51.2092 into my text edit field. So, Could anyone help me, How to write code for this?

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Harald 2023-8-29

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Hi,

I have not tried within apps, but the getDataTips function from File Exchange may help you to extract the data from the data tips.

It is not clear to me how you decide what values should go into what edit field, but I suppose that is the easier task.

Best wishes,

Harald

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Dhaval 2023-9-1

在 MATLAB Online 中打开

Hello Herald,

I have used function like you have mentioned but now I got this error:

Error using datacursormode

Invalid figure handle

Error in Test_tool/ButtonPushed (line 5052)

datacursormode(app.UIAxes2, 'on');

This is my aplication's small part:

You can see that I am using UIAxes on second tab. Also, There are 5 editfield but I want to fillout first 2 and last one. In the first two, I need only Y vlaue, which is selected near Y Axis (0.56 and 79.31) and In the last one I need only X value (5.1). for that I am using this code:

datacursormode(app.UIAxes2, 'on');
            dcm = datacursormode;
            % Get information about the selected data points
            info = getCursorInfo(dcm);
            % Extract Y values from the selected data points
            y1_value = info(3).Position(2);
            y2_value = info(2).Position(2);
            vmax_vlaue = info(1).Position(1);
            von1 = sprintf('%.0f', y1_value); % Format to one decimal place
            bis1 = sprintf('%.0f', y2_value);
            Vmax_1 = sprintf('%.1f', vmax_vlaue);
            app.Von1EditField_ACX.Value = str2double(von1);
            app.Bis1EditField_ACX.Value = str2double(bis1);
            app.Vmax_1EditField_DVX.Value = str2double(Vmax_1);

Dhaval 2023-9-4

Hi,

I have checked it and It is same name as in component browser. So, I think that is not a problem.

with regards

Dhaval

Harald 2023-9-4

Hi,

unfortunately, this is the only suggestion I can make from the code and error provided.

To further investigate for you, I would need a reproducible example. You would not have to share the full app, but enough to run the app and encounter the error message.

Best wishes,

Harald

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How to take value of X and Y from plot put it in Text Edit field using button press in Matlab App?

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