Enabling figure pan/zoom/data tips/etc. toolbar in figures

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Charles
Charles 2020-3-24
编辑： Charles 2020-4-4
Hello,
I recently upgraded to 2019b, and it seems some figure behavior has changed. I have a GUIDE application where I plot some data. Some time in 2018, I think between 2018a and 2018b, a feature was introduced where if you hovered above the upper right part of a plot, a set of buttons appeared (what is this called?).
Anyway, in the GUIDE application, these controls magically appeared and enhanced the plots immensely with no programming effort on my part. But now, in 2019b, it is not the default behavior. Can someone explain how to turn this feature on?
Thanks,
Charles Wright

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回答（1 个）

Harsha Priya Daggubati
Hi,
You can use the following command in your GUIDE OpeningFcn .m code, to add toolbar to your axes. Here, hObject.Children is the axes object:
axtoolbar(hObject.Children,{'zoomin','zoomout','restoreview'});
But, It is suggested to migrate all your apps from GUIDE to App Designer in recent versions. For assistance in migrating your apps, use the GUIDE to App Designer Migration Tool for MATLAB. This tool is available as a support package.
Hope this helps!
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Rik
Rik 2020-3-30
Those toolbars should not disappear. You can read this doc page for more information. If you have a specific workflow causes that to happen: try to make a MWE so we can run your code without any other dependencies and can reproduce your issue.
Charles
Charles 2020-4-4
编辑：Charles 2020-4-4
Ok, I've had time to investigate this. I decided to add the lines to make the toolbars visible part of the redisplay functions for each axis in the window (following all the plot commands). This apparently "turns on" the toolbars. I say "apparently" because when I simply print the state of the toolbar visibility, its value is always 'on', before or after the plotting activity in the axes. However, it's only after I explicitly set the visibility to 'on' that the toolbars consistently appear.
The plotting activity is nothing unusual; there's the plot command, grid, xlabel, ylabel, title, legend, a text box... nothing fancy
Anyway, I have found a workaround, and hope it continues to work.

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