Is there an equivalent to CLEGENDM for contour plots in MATLAB (R2013a)?

How can I add a legend to my contour plot? Why is CLEGENDM only available as part of the Mapping Toolbox? This function would save lots of time when creating a legend for a contour plot, and having a similar feature in base MATLAB is something most users would like to see.

Answer 1

[MathWorks Support Team]

There is no equivalent to CLENGENDM in base MATLAB. Here is an example that shows how you can add a legend to a contour plot:

clc

clear all

close all

x     = -3:0.125:3;

y     = -3:0.125:3;

[X,Y] = meshgrid(x,y);

Z     = peaks(X,Y);

v     = -2 : 1 : 2;

figure

contour(X,Y,Z,v);

leg   = arrayfun(@num2str,v,'UniformOutput',false);

hc    = get(gca,'children');

c     = {leg};

legend(get(hc,'Children'),'String',c{:})