changing font size in all the elements of figures

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Hello, i want to make bigger all the text in a figure ( title, xlabel, axis,....), so i wrote this line of code in the beginning of the script: set(0,'defaulttextfontsize',30) but it doesn't change anything at all. Could you help me please, how can i change the font size? thank you

Answers (3)

onewhaleid
onewhaleid on 11 Jun 2015
Edited: onewhaleid on 11 Jun 2015
I use findall to change the font size for all text in a single figure:
set(findall(gcf,'-property','FontSize'),'FontSize',12)
  4 Comments
Walter Roberson
Walter Roberson on 3 Oct 2017
DefaultAxesFontSize is a better programming practice, but when you use set() the property names are not case sensitive.
set(0,'defaultaxisfontsize',30) or set(0, 'DefaultAxesFontSize', 30) only works for axes text created after the call to set(); it does not change the size for any existing text object, which the findall() version does change.

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Walter Roberson
Walter Roberson on 11 Jun 2015

Sunisa Prasopporn
Sunisa Prasopporn on 2 Feb 2023
Edited: Sunisa Prasopporn on 2 Feb 2023
I would like to change 'FontSize' in clustergram heatmap. How should write the coding.

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