I use the semilogy funtion to draw a curve on an axes control. I want to run the code more than one time to draw many curves on the same control without deleteing the old curves. My question is how can I modify the legend of the axes control in order to add curve's details (strings) to the previous ones.
"C?sar Ghali" <email@example.com> wrote in message <firstname.lastname@example.org>...
> Dear friends,
> I use the semilogy funtion to draw a curve on an axes control. I want to run the code more than one time to draw many curves on the same control without deleteing the old curves. My question is how can I modify the legend of the axes control in order to add curve's details (strings) to the previous ones.
> Any help please???
> Cesar Ghali
In fact, you may find it relatively simple.
If you would like to do that, whenever you put a legend, you should use its handle like this:
h = legend('string1');
rather than only
This way, you will have the power to edit the string of the legend any time.
Let us say, you will now hold on this figure and plot another curve, whose label will appear as 'string2' in the legend. Then you simply say,
The transpose on the previuosLegendText variable and the other cell type concatenation are technical details you may already know, but should remain as indicated above. If we generalize, if you would like to make N such plots [I will use 1 for the first curve, 2 for the second and so on]:
plot()... first curve here
h = legend('1');
previousLegendText = get(h,'String')
for n = 2:N
plot() ............ you can plot nth curve here
Hope this helps. Please let me know if you have any bugs in the above code. My email: email@example.com
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