[Octave-bug-tracker] [bug #52185] Make it possible to position annotations relative to axes or data

[Rik]

Update of bug #52185 (project octave):

                  Status:                    None => Confirmed              
                 Release:                   4.2.1 => dev                    

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Follow-up Comment #3:

This is a known problem in Matlab as well and is related to how they chose to
implement Annotation objects.  Try an Internet search for "matlab annotation
data units" and you will see lots of solutions.  This Stack Overflow article
was reasonable:
https://stackoverflow.com/questions/11499370/how-to-plot-arrow-onto-a-figure-in-matlab

One of the solutions is the one suggested here of changing the parent to the
axes.  The most general seems to be using a function that Matlab provides to
convert between "data" coordinates and "normalized" coordinates.



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