How to plot circle with text aligned along its circumference

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Jayant chouragade
Jayant chouragade 2021-8-20
回答： Thorsten 2025-4-11
Hi,
How to plot a circle at X=0, Y=0 and radius=10, and inculde its radius as text in its circumference.
best
regards
jayant

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回答（2 个）

Thorsten
Thorsten 2025-4-11
If your goal is to plot the text along the circle, you can use this code. Adopt the starting angle (135) and the angular offset (5) to your needs.
centerY = 0;
Radius = 10;
viscircles([centerX ,centerY ], Radius );
word = 'my circled text';
i = 1;
for alpha = 135:-5:135-(numel(word)-1)*5
text(10*cosd(alpha), 10*sind(alpha), word(i), 'Rotation', alpha-90, 'FontSize', 20);
i = i+ 1;
end
Awais Saeed
Awais Saeed 2021-8-20
centerX = 0;
centerY = 0;
Radius = 10;
viscircles([centerX ,centerY ], Radius ); % it creates a circle with given parameters
text(centerX, Radius,'R = 10') % to add text to your plot
  1 个评论
Awais Saeed
Awais Saeed 2021-8-20
You would have to chage the axes if you want to change position of your text.
xlim([-Radius-3 Radius+3])
ylim([-Radius-3 Radius+3])
text(centerX, Radius+1,'R = 10') % Note it will display text at Y = 11

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