[Octave-bug-tracker] [bug #49469] changing axes fontsize does not change labels too

[Rik]

Update of bug #49469 (project octave):

                Priority:              5 - Normal => 3 - Low                
                  Status:                    None => Confirmed              
                 Release:                   4.0.3 => dev                    

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Follow-up Comment #1:

Yes, this is a known incompatibility.  There are two easy workarounds which
has meant no great pressure to fix this.  I suspect that situation will
continue for a while.

Workaround #1 :

Do all your plotting routines, change the axes fontsize, then do all the
commands to annotate and make the plot beautiful such as adding labels and
titles.


plot (1:10);
set (gca, "fontsize", 20);
xlabel ("x-axis label");
ylabel ("y-axis label");
title ("Title of plot");


Workaround #2 :

Change all the label fontsizes at the same time you change the axes fontsize.


set (gca, "fontsize", 20);
set (get (gca, "title"), "fontsize", 20);
set (get (gca, "xlabel"), "fontsize", 20);
set (get (gca, "ylabel"), "fontsize", 20);
## If you have zlabel, add this too
set (get (gca, "zlabel"), "fontsize", 20);


Workaround #3 :

Add a listener to the axes fontsize property which does what was done in
Workaround #2.

function update_fontsize (h, ~)
  hlist = get (h, {"xlabel", "ylabel", "zlabel", "title"});
  new_fontsize = get (h, "fontsize");
  set ([hlist{:}], "fontsize", new_fontsize);
endfunction
addlistener (gca, "fontsize", @update_fontsize)

This isn't quite perfect because it doesn't respect LabelFontSizeMultiplier
and TitleFontSizeMultiplier, but you get the idea.


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  <http://savannah.gnu.org/bugs/?49469>

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