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Topic: Adding a legend to the plot
Replies: 3   Last Post: Sep 5, 2013 7:54 PM

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Alan

Posts: 48
Registered: 7/30/13
Re: Adding a legend to the plot
Posted: Sep 5, 2013 7:32 PM
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"GIRAY YALCIN" <giryal@gmail.com> wrote in message <l0b329$puo$1@newscl01ah.mathworks.com>...
> Howdy Folks,
>
> So I have a dilemma; I will condense the issue here, so that it may be easier to digest the question.
>
> Let's assume that my data consists of 3 points. Just for giggles, assume that they are at points [10, 2], [15, 3] and [20,4].
>
> How can I give unique colors to the data that I want. Instead of saying legend('data1','data2','data3'), my goal is to uniquely identify the colors within the legend.
>
> For example, the following code works fine, but it uses the "legend's" reference to data points.
>
> R=[1 0 0];
> G=[0 1 0];
> B=[0 0 1];
>
> X=[10, 2];
> Y=[15, 3];
> Z=[20,4];
> plot(X(1),X(2),'x','LineWidth',10,'Color', R)
> hold on
> plot(Y(1),Y(2),'x','LineWidth',10,'Color', G)
> plot(Z(1),Z(2),'x','LineWidth',10,'Color', B)
> legend('data1','data2','data3')
>
> Is there a way to say something like this:
>
> legend('data1',R,'data2',G,'data3',B)
>
> Or perhaps another way to add legend to the plot without calling the legend function?
>
> Maybe even showing a jpeg image, which I created in paint, on the outside left corner of the plot?
>
> What do you think the most ingenious way of approaching this issue is?
>
> Thanks.


To clarify, you don't want your legend colors to match the plot colors? Or do you want them to still be connected?



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