www.gusucode.com > graphics 案例源码程序 matlab代码 > graphics/LabelContourPlotandReturnObjectHandlesExample.m

    %% Set Contour Label Text Properties After Creation  
% Label the contour lines at level 2 and 6. Return the text and line
% objects created.

% Copyright 2015 The MathWorks, Inc.


%%  
[x,y,z] = peaks;
[C,h] = contour(x,y,z);
tl = clabel(C,[2,6]);

%%
% The output |tl| is a vector that contains one text object and one line
% object for each contour label. 
disp(tl)

%%
% Change the font size for one of the labels. Starting in R2014b, you can
% use dot notation to set properties. If you are using an earlier release,
% use the <docid:matlab_ref.f67-432995> function instead.
tl(2).FontSize = 20;