stem plot line width inconsitencies

2 vues (au cours des 30 derniers jours)
dormant
dormant le 19 Oct 2023
Commenté : Voss le 25 Oct 2023
I can't understand why I can't set the line width consistently with the stem plot.
I am plotting four subplots in a loop and this is the relevant bit of the code:
for ista = 1:nsta
[stuff here]
subplot(nsta,1,ista);
stem( datimAuto, triggersAuto, 'r', 'Marker', 'none', 'LineWidth', 2.0 );
xlabel( 'Date' );
title( sta );
xlim( [plotBeg plotEnd] );
grid on;
[stuff here]
end
In the resulting plot, the second subplot has thicker lines. This has less data than the other three, but I don't see why that would affect it.
Any ideas?
  1 commentaire
Adam Danz
Adam Danz le 19 Oct 2023
If you save the figure and attach the .fig file, I'd be happy to look into it.

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Voss
Voss le 19 Oct 2023
Seems like a renderer issue. You can try switching to the 'painters' renderer. You can see in the tests below that only the 'painters' renderer draws the lines with the same apparent thickness.
data1 = 400*rand(1,150);
data2 = 1000*rand(1,300);
renderers = {'opengl','zbuffer','painters'};
for ii = 1:numel(renderers)
f = figure('Position',[1 1 1200 600],'Renderer',renderers{ii});
subplot(2,1,1)
stem(151:300,data1,'r','Marker','none','LineWidth',2.0)
xlim([1 300])
title(sprintf('''%s'' Renderer',renderers{ii}))
subplot(2,1,2)
stem(1:300,data2,'r','Marker','none','LineWidth',2.0)
xlim([1 300])
end
  2 commentaires
dormant
dormant le 25 Oct 2023
Modifié(e) : dormant le 25 Oct 2023
Thanks. You were right. Painters works.
But for how long? This warning message is a bit vague!
Voss
Voss le 25 Oct 2023
Glad it's working. I don't know what The Mathworks future plans are for figure Renderers (just never upgrade your MATLAB version and this will continue to work!).

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