Draw arrows in UIAxes diagrams in APP Designer

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Patrick Sina 2021-2-9

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/740927-draw-arrows-in-uiaxes-diagrams-in-app-designer

编辑： Hunk Huang 2022-2-21

I find this Display Graphics in App Designer - MATLAB & Simulink - MathWorks Deutschland and tried it as below with annotation:

Up_x = [0 5];

Up_y = [0 0];

annotation(app.ElectricMachineInfo_UIAxes3,'arrow', Up_x,Up_y);

but it dosent work :D

Can someone help me to drow Arrows in a UI Axes Diagrams to present it in the App designer environment

I use Matlab 2020b.

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Hunk Huang 2022-2-21

编辑：Hunk Huang 2022-2-21

quiver(app.UIAxes,0,0,2,0,'b','filled','LineWidth',1)

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回答（1 个）

Nitin Kapgate 2021-2-12

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https://ww2.mathworks.cn/matlabcentral/answers/740927-draw-arrows-in-uiaxes-diagrams-in-app-designer#answer_621702

While using the annotation function in App Designer, the First argument (i.e. container) must be a valid annotation type or a handle to a figure, uipanel, or uitab. It can't be a handle to an UIAxes.

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Marco Degano 2021-3-24

编辑：Marco Degano 2021-3-24

在 MATLAB Online 中打开

I think I found the solution, try this:

annotation(app.UIFigure,'arrow',[x0 x1],[y0 y1]);

But I can not plot over UIAxes, it goes behind and gets hidden.

Hunk Huang 2022-2-21

编辑：Hunk Huang 2022-2-21

quiver(app.UIAxes,0,0,2,0,'b','filled','LineWidth',1)

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MATLAB App Building Develop Apps Using App Designer

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