How to speed up xline / yline ?
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Matthias Fath
le 12 Avr 2024
Réponse apportée : Matthias Fath
le 12 Avr 2024
I want to plot several xlines in a simple 2D plot at dedicated x-values. When i plot many lines (e.g.) 200 at once using xline, the response is very slow. I am passing all x-Values as a vector at once to xline. When enabling the grid with same x-spacing, it is ~ 80 times faster. Any idea how to speed up the xline command? I already tried disabling the lines transparency by setting alpha = 1, but it didn't help.
Regards,
Matthias
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Manikanta Aditya
le 12 Avr 2024
Hi,
The xline and yline functions in MATLAB are designed for convenience and ease of use, but they may not be the most efficient for plotting a large number of lines. When you’re dealing with a large number of lines, it might be more efficient to use the line or plot functions instead.
Here’s an example of how you might use the line function to plot vertical lines (similar to xline):
x_values = 1:200;
for x = x_values
line([x x], ylim);
end
This code will create a vertical line at each x-value in x_values. The ylim function is used to automatically adjust the y-coordinates of the line to the current y-axis limits.
Hope this helps, let me know.
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