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I am unable to change the fontsize of axis ticks

24 vues (au cours des 30 derniers jours)
Chandramouli Santhanam
Chandramouli Santhanam le 10 Mar 2023
I am using MATLAB R2021b, and would like to change the font size of tick labels of both the axes. I tried the method suggessted here However, setting the font size using gca.FontSize doesn't change the size of axis ticks. Here's a sample code:
x = rand(1,100);
y = rand(1,100);
scatter(x,y)
ax = gca;
ax.FontSize = 20;
xlabel('My Label','FontSize',20)
I obtain a result as shown in the attachment. Only the xlabel size is changed to 20, and that is because of the last line I guess.
Can someone help me please?
Thank you.
  2 commentaires
Cris LaPierre
Cris LaPierre le 10 Mar 2023
You code works as expected in R2022b. I don't have R2021b installed so can't check if it's a version-specific thing. However, I did check in R2020b and got the same result as below.
x = rand(1,100);
y = rand(1,100);
scatter(x,y)
ax = gca;
ax.FontSize = 20;
xlabel('My Label','FontSize',20)
Chandramouli Santhanam
Chandramouli Santhanam le 13 Mar 2023
I restarted MATLAB twice and now the code works. Seems strange

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Réponses (1)

Adam Danz
Adam Danz le 10 Mar 2023
Modifié(e) : Adam Danz le 10 Mar 2023
> setting the font size using gca.FontSize doesn't change the size of axis ticks
gca() is a function that returns the current axis handle. Unless you've used gca as a variable name, you should be getting an error (the error message below is from R2022b).
gca.FontSize
Dot indexing into the result of a function call requires parentheses after the function name. The supported syntax is 'gca().FontSize'.
% > Unable to resolve the name gca.FontSize. - R2021b error message
You could use
gca().FontSize
Or, better yet,
ax = gca();
ax.FontSize
  1 commentaire
Chandramouli Santhanam
Chandramouli Santhanam le 13 Mar 2023
Strange, I don't get this error with just gca. My problem got resolved by restarting MATLAB twice

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