Are annotations supported in uifigure objects?

Question

Kevin J. Delaney 2018-1-4

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/375630-are-annotations-supported-in-uifigure-objects

移动：Adam Danz 2023-1-5

Are annotations supported in uifigures created in AppDesigner?

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Answer 1

Jan 2018-1-4

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https://ww2.mathworks.cn/matlabcentral/answers/375630-are-annotations-supported-in-uifigure-objects#answer_298751

在 MATLAB Online 中打开

I asked an internet search engine for "Matlab annotations appdesigner" and the first hit is https://www.mathworks.com/help/matlab/creating_guis/graphics-support-in-app-designer.html. Here you find:

 However, the following functionality is not supported:
 ...
 Annotations and Colormap Adjustments:    annotation

This sounds like annotations are not supported.

Although I really like this forum, I admit that Google took only 0.47 sec to find the link, while I typed for minutes to post, what was found automatically. Therefore it is recommended to search before asking.

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Adam Danz 2020-6-5

编辑：Adam Danz 2020-6-8

在 MATLAB Online 中打开

According to the updated documentation, annotation objects are supported in appdesigner (same link provided by Jan).

uif = uifigure(); 
x = [0.3 0.5];
y = [0.6 0.5];
annotation(uif,'arrow',x,y)

However, unlike regular figures, the annotation object does not appear on top of existing axes in UIFigures, at least not in r2020a.

Here's a demo that creates two figures, one is a UIFigure. Each figure has identical axes and identical annotiation boxes. The annotation object is not seen in the UIFigure. A confirmation box will appear in the UIFigure and when you press a button, it will delete the UIAxes and the annotation object will be revealed.

fig = figure('Units','pixels'); 
fig.Position = [150,150,560,420];
ax = axes(fig, 'Units','Pixels', 'Position', [25 25 510 380]); 
an = annotation(fig, 'TextBox',[.2 .2 .6 .6],'String','Anotation Text Box');
uifig = uifigure('Position',[sum(fig.Position([1,3]))+10,fig.Position(2:end)]);
uiax = uiaxes(uifig,'Position',ax.Position);  
uian = annotation(uifig, 'TextBox',[.2 .2 .6 .6],'String','Anotation Text Box');
waitfor(uiconfirm(uifig,'Press any button to remove UIAxes and reveal the annotation object.', 'Annotation demo')); 
delete(uiax)