Does anyone know the status of development for Matplotlib persistent figure
saving?  I would like to be able to save the figures from matplotlib in an
editable form, without flattening down to an image file. The closest thing
to this right now is the SVG output, but a native mpl format would be
better. I need to be able to save the figure, so that later it can be
loaded, edited, and re-saved. I know that this topic has been somewhat
discussed in the past, but I believe it is desperately needed, so I thought
I would bring it back up.

Let me say why I think this feature is so essential.  Anyone who is in
research or academia knows that figures often need to be edited when a
publication comes back from peer review.  It's already happened to me many
times, and I've learned that I absolutely have to save my figures for later
editing to save myself a lot of time.  Some people have argued that a script
that generates the plots/figures should be saved, and that if you need to
edit the figure, just re-run the script.  The problem with this argument is
that scientific plots often take hours, days, or even weeks of computation
to generate.  For example, generating a bit-error-rate curve in
communications takes days.  Therefore, always re-running from a script is
just not practical.

Now, I understand that resources are limited, so I would be willing to raise
some money to get this feature added to Matplotlib.  It's desperately needed
by myself and many others in the community.  I would really like to
completely replace Matlab with Python,Scipy, and Matplotlib.  MPL is an
excellent tool, and it could be even more useful/professional with the
addition of a figure save feature.

Any thoughts?

-Joey Wilson
span.ece.utah.edu/joey-wilson
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