Setting colors for plot function

25 vues (au cours des 30 derniers jours)
Julián Francisco
Julián Francisco le 3 Nov 2011
I would like to be able to choose the colors for a multiline plot but I can not get it. This is my code
colors = {'b','r','g'};
T = [0 1 2]';
column = [2 3];
count = magic(3);
SelecY = count(:,column),
plot(T,SelecY,'Color',colors{column});

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Image Analyst
Image Analyst le 3 Nov 2011
  1 commentaire
Julián Francisco
Julián Francisco le 3 Nov 2011
@Image Analyst: Thank you so much for your answer.

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Plus de réponses (1)

Walter Roberson
Walter Roberson le 3 Nov 2011
You cannot specify different colors in multi-column (multi-line) plot() calls.
You can record the handles and set the colors individually:
h = plot(T,SelecY);
for K = 1 : length(h)
set(h,'Color', colors{column(K)});
end
Another approach is use the axes ColorOrder property. See here. (Note: you need RGB color specifications for that approach.)
  2 commentaires
Julián Francisco
Julián Francisco le 5 Nov 2011
@Walter Roberson: Thank you very much for your answer. However, your response is not be able to select different colors for the plot (both lines of the code appear with the same one).
Walter Roberson
Walter Roberson le 5 Nov 2011
That sounds unlikely to be the case, but I do not have access to MATLAB this evening to test it out.

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