StandAlone Matlab app don't show the points with the interection with the mouse

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Nélio Dias 2022-7-24

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https://ww2.mathworks.cn/matlabcentral/answers/1766625-standalone-matlab-app-don-t-show-the-points-with-the-interection-with-the-mouse

编辑： Mohammad Sami 2022-7-26

I am building an app in matlab app desing that the user needs to interact with the graph with a mouse and in the app designer appears the points like in the figure. But when I create the standAlone app, this interaction with the graph disappears. Does someone know how to solve it?

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Walter Roberson 2022-7-25

https://www.mathworks.com/help/matlab/ref/matlab.graphics.shape.internal.datacursormanager.html

Nélio Dias 2022-7-25

This fig reference is the app.UIAxes or the UIFigure?

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回答（1 个）

Mohammad Sami 2022-7-26

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https://ww2.mathworks.cn/matlabcentral/answers/1766625-standalone-matlab-app-don-t-show-the-points-with-the-interection-with-the-mouse#answer_1014905

编辑：Mohammad Sami 2022-7-26

在 MATLAB Online 中打开

Enable or Disable Built-In Interactions

To control whether a set of built-in interactions is enabled within a chart, use the disableDefaultInteractivity and enableDefaultInteractivity functions. Sometimes MATLAB® automatically disables the built-in interactions. For example, they might be disabled for charts that have special features, or when you implement certain callbacks such as a WindowScrollWheelFcn.

You can try calling enableDefaultInteractivity after you have plot something on the UIAxes

function plotfunction(app,....)
    % ... code to plot ....%
    enableDefaultInteractivity(app.X); % app.X where X is the name of your UIAxes object
    
    % alternative method to only enable dataTipInteractions.
    app.X.Interactions = [dataTipInteraction]; % app.X where X is the name of your UIAxes object
end