Matplotlib transparent line plots

Question

I am plotting two similar trajectories in matplotlib and I d like to plot each of the lines with partial transparency so that the red  plotted second  doesn t obscure the blue     EDIT  Here s the image with transparent lines

User · Answer

It really depends on what functions you re using to plot the lines  but try see if the on you re using takes an alpha value and set it to something like 0 5  If that doesn t work  try get the line objects and set their alpha values directly

User · Answer

Plain and simple   plt plot x  y   r-   alpha 0 7     I know I add nothing new  but the straightforward answer should be visible

User · Answer

After I plotted all the lines  I was able to set the transparency of all of them as follows   for l in fig field gca   lines      l set alpha  7    EDIT  please see Joe s answer in the comments

[python] Matplotlib transparent line plots

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