Center text on screen
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Tobias Johansson
le 18 Fév 2019
Commenté : Tobias Johansson
le 18 Fév 2019
Very basic question, but how can I (exactly) center text on screen (or figure window)?
If I just use
text(.5,.5,'x'); axis off
the x is not centered on screen.
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Rik
le 18 Fév 2019
This is actually much more tricky than you might think, since it is not possible to have the anker point of a text object in another place than the lower left corner.
If I recall correctly, there is a submission on the FEX that can be used to create non-overlapping annotations. You can probably use the tricks it uses there to find the length of the text itself (which might be different from the length of the text object itself).
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Jos (10584)
le 18 Fév 2019
% put a small x in the center of a new figure
figure('menubar','none') ;
ah = gca ;
th = text(1,1,'X') ;
set(ah,'visible','off','xlim',[0 2],'ylim',[0 2],'Position',[0 0 1 1]) ;
set(th,'visible','on','HorizontalAlignment','center','VerticalAlignment','middle')
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