How can I align text to the ylabel in a plot?

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Alessandro Mancari
Alessandro Mancari 2021-8-15
评论： Matt J 2021-8-15
I would like to add text to a plot, in such a way that it maintains a fixed position relative to the ylabel. I tried with this code, but the text is not centered with respect to the label, and their relative position changes if I resize the figure (which I wouldn't want). Is there a way to do this?
figure
plot(1,1)
yh = ylabel('label')
set(yh,'Units','Normalized');
ylabPos = get(yh,'Position');
text(ylabPos(1),1,'text', 'Units','Normalized', 'HorizontalAlignment','center')
Alternatively, I could solve it by adding a second ylabel on the same axis, but I haven't found a way to do that either...
Thank you!

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回答（2 个）

Star Strider
Star Strider 2021-8-15
Ran in:
One approach —
figure
plot(1,1)
yh = ylabel('label');
set(yh,'Units','Normalized');
ylabPos = get(yh,'Position');
text(ylabPos(1),ylabPos(2),'text', 'Units','Normalized', 'HorizontalAlignment','center', 'Vert','top', 'Rotation',90)
If you want it above (to the left of) the ylabel, that would require re-defining ‘ylabPos(1)’.
.
Matt J
Matt J 2021-8-15
编辑：Matt J 2021-8-15
Ran in:
figure
plot(1,1)
yh = ylabel('label');
set(yh,'Units','Normalized','HorizontalAlignment','center','VerticalAlignment','middle');
ylabPos = get(yh,'Position');
delete(yh);
text(ylabPos(1),ylabPos(2),'label', 'Units','Normalized', 'HorizontalAlignment',...
'center','VerticalAlignment','middle','Rotation',90)
text(ylabPos(1),1,'text', 'Units','Normalized', 'HorizontalAlignment','center','VerticalAlignment','middle')
  2 个评论
Alessandro Mancari
Alessandro Mancari 2021-8-15
Thanks, this is the configuration I had in mind, but with your code, if I extend the figure horizontally, 'label' and 'text' end up far from the y-axis. What I was trying to obtain is having them close to the axis no matter how I resize the figure (which is what the ylabel normally does). Or in short, I would need 'text' to behave like a label.
Matt J
Matt J 2021-8-15
I don't think that's possible, unfortunately.

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