How to make the Y axis line visible when using two axes one for displaying image and the other for plotting?

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Adam adam 2018-12-14

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链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/435803-how-to-make-the-y-axis-line-visible-when-using-two-axes-one-for-displaying-image-and-the-other-for-p

I am using two axes as follows:

handles.axes2=axes('Units','pixels','Position',[58,311,665,191],'ycolor',[.4 .4 .4],'xcolor',[.4 .4 .4],'Color',[ 0.97647 0.89412 0.93333]);
axes('Units','pixels','Position',[60,537,175,22]);
[im, map, alpha] = imread('timer3.png');
f = imshow(im);
set(f, 'AlphaData', alpha);
axis off
axis image

PROBLEM:

The Y axis line (not the Y ticks) becomes invisible in the handles.axes2 plot. I have tried everything including reordering the visual stacking but I got nowhere. Any help would be much appreciated. Thanks .