MATLAB: Finding annotation location dynamically

annotate

I am creating plots similar to one below

A numeric is written next to each curve that shows an iteration. In my plot,I am adding these numbers using annotation(.) but I have to adjust their position manually? Is it possible that This can be done dynamically.

Best Answer

For each curve, get x and y

labelX = x(end) + 0.1;
labelY = y(end);
text(labelX, labelY, string);

Make up string with sprintf() and put whatever you want in it.

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MATLAB: Rotate annotation textbox

I don't know how to do it with an annotation, but here is a way to do it with the text() function, using the XLim and YLim properties of the plots (without needing to know the ranges of the x and y data beforehand):

figure
plot(1:10)
xlim=get(gca,'XLim');
ylim=get(gca,'YLim');
ht = text(0.5*xlim(1)+0.5*xlim(2),0.6*ylim(1)+0.4*ylim(2),'My text');
set(ht,'Rotation',45)
set(ht,'FontSize',18)

In the text command, make sure that the fractions add up to 1 for both the x and y positions, and then it is easy to steer the text to where you want it, and make it consistent across figures.

MATLAB: Annotate the lines in plot with many line

doc text

See example there and the "See Also" for annotation for more exotics...

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MATLAB: Rotate annotation textbox

MATLAB: Annotate the lines in plot with many line

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