Mouse click to get location on Graph and position text

Is it possible to use a mouse to locate a position on a graph and then add user defined text. ideally using the mouse click callback?

Thanks Jason

Answer 1

[Thomas Koelen]

t = linspace(0,2*pi,50);
y = sin(t);
plot(t,y)                 %Plot anything here, can be an image aswellm, whatever.
[x,y] = ginput(1);        %Change the number if you want more than one text
str1 = 'test';            %This is the text displayed
text(x,y,str1)            %Adds the text to the graph at x,y

Like this?

With more text:

t = linspace(0,2*pi,50);
y = sin(t);
plot(t,y)                                         
str1 = {'Hello','this','is','Thomas!'};            
[x,y] = ginput(length(str1));                     
text(x,y,str1)