"hold on" equivalent in GUIDE

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Farbos de Luzan
Farbos de Luzan 2018-2-21
评论： Rik 2018-3-2
Hello all,
When I update my plot in GUIDE, the imline lines that were previously defined disappear. Is there a way to make them permanent by using an equivalent of "hold on"? Or do I have to re-plot, everything, every time I change something to my plot? Thank you in advance!
  2 个评论
Adam
Adam 2018-3-2
What do you mean by 'when I update my plot in GUIDE'? GUIDE is just a GUI design tool, it doesn't run anything or include plots in it.

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Farbos de Luzan
Farbos de Luzan 2018-3-2
Just to clarify, I had my imline plotted on some axes, then I would plot an image on these axes, and my imline would "disappear". It turns out that it was still there, only hidden behind the image.
Adding something like
uistack(imline_handle,'top')
solved it!
Thank you all for your help!
  1 个评论
Rik
Rik 2018-3-2
My point holds for imline as well. You can specify a parent, so you should. Not specifying parent objects in GUIs will cause problems at some point that you will not be able to debug. It is a pain, but it is a vital step in finalizing code. Alternatively, you can force the axes to be the current axes with axes(handles.ax).

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更多回答（1 个）

Rik
Rik 2018-3-2
You should always specify the axes you want to affect, so you can use hold(handles.ax,'on').
GUIDE is just a shell around 'normal' Matlab, so anything that works as a function should work in a function created by GUIDE as well.

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