Modify Labels on Contour Plots

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Oyeniyi
Oyeniyi 2015-8-12
回答： Rob Comer 2015-8-14
I want to modify the font (size and type) of the text that is obtained when the contour function is implemented with the 'showtext' option set to 'on' as in the example below.
contour(X,Y,Z,'ShowText','on').
I have tried using 'clabel' but this introduces another set of text to the plot.

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回答（2 个）

James Wiken
James Wiken 2015-8-14
This functionality has been added in the MATLAB R2015b Prerelease. It uses 'clabel' rather than the 'ShowText' option in the 'contour' function. The end result is the same though. Below is an example of changing the font size, color, and type for the labels on a contour plot:
x = linspace(-2*pi,2*pi);
y = linspace(0,4*pi);
[X,Y] = meshgrid(x,y);
Z = sin(X)+cos(Y);
figure
[C,h] = contour(X,Y,Z);
clabel(C,h,'FontSize',15,'Color','r','FontName','Courier')
Rob Comer
Rob Comer 2015-8-14
R2014b and R2015a users can apply one of the workarounds available here:
http://www.mathworks.com/support/bugreports/1114747
and then use clabel to set FontSize, Color, FontName, FontWeight, and 8 other properties that affect the appearance of text labels. (There's a separate workaround for each release; be sure to download the correct one.) With these updates, R2014b and R2015a are able to run the example given in the answer from James, with identical results.

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