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How to set Marker in loop

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John
John on 27 Oct 2017
Edited: per isakson on 22 Jun 2019
This is what I combined from this forum:
set(0,'defaultaxeslinestyleorder',{'+','o','*','.','x','s','d','^'});
hold all
for n=1:8
p=plot(x,ddmax(:,n));
end
legend('1','2','3','4','5','6','7','8')
But what it produced is 7 '+' and a 'o', see picture. What did I do wrong?

  3 Comments

Geoff Hayes
Geoff Hayes on 27 Oct 2017
John - what are the dimensions of x and ddmax?
John
John on 27 Oct 2017
x is 40; ddmax 40x8; see attached plot picture; 8 plots, needs 8 different markers;
Ali
Ali on 29 Oct 2017
--------------------------------------------------- code start This is an example for your case
Input is "Input_Data", two dimension matrix
Marker_Counter=1;
figure6=figure;
Markers = {'+','o','*','x','v','d','^','s','>','<'};
for i=1:10:size(Input_Data,1)
TPR=Input_Data(i:i+9,7);
FPR=Input_Data(i:i+9,8);
plot(FPR,TPR,strcat('-',Markers{Marker_Counter}));
Marker_Counter=Marker_Counter+1;
hold on
end
plot([0.5 1],[0.5 1],'--');
legend('Minpts = 100','Minpts = 200','Minpts = 300','Minpts = 400','Minpts = 500','Minpts = 600','Minpts = 700','Minpts = 800','Minpts = 900','Minpts = 1000','','Location','SouthEast');
xlabel('FPR or (1-Specificity)','FontSize',12,'FontWeight','bold'); ylabel('TPR or Spensitivity)','FontSize',12,'FontWeight','bold');
title('ROC Space');
close(gcf);
-------------------------------------------- code end
--------------------------------------- picture link preview

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Accepted Answer

Walter Roberson
Walter Roberson on 27 Oct 2017
"Axes increments the line style only after using all of the colors in the ColorOrder property. It then uses all the colors again with the second line style, and so on. "

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Walter Roberson
Walter Roberson on 27 Oct 2017
Yes, but the primary problem you had was that you did not change the colororder to a single color, so all of the colors were being used before the next marker was being used.
John
John on 27 Oct 2017
Still doesn't work.
set(groot,'defaultAxesColorOrder',[1 0 0;1 0 1;0 1 0;0 0 1],...
'defaultAxesLineStyleOrder','+-|o-|v-|s-|p-|h-|d-|^-')
plot(x,ddmax);
Bellow is what above script produced:
Bellow is what we wanted:
>>
Walter Roberson
Walter Roberson on 27 Oct 2017
You cannot do that automatically. The next line style will not be looked at until all colors have been used once. There is no provision using the defaults to advance one marker for each color. You would need to set the properties of the line handles.

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More Answers (1)

Bruno Melo
Bruno Melo on 20 Jun 2019
Edited: per isakson on 22 Jun 2019
I had the same issue and got around by using this function made by Sébastien Martin.
Hope it helps you.

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