Re: [Matplotlib-users] save or pickle figure object

[B C. <clo...@ya...>]

Josef,



I too have been interested in such a feature for matplotlib and have
made some (albeit lame) stabs at finding a solution.  I started a
project on google code that has some very limited capacity to save line
plots and the necessary data arrays from matplotlib into an hdf5 file for later processing.  It is by
no means a complete solution but may serve as a VERY rough model to add
this functionality.  It was my hope that if you could capture the
underlying keyword arguments necessary to recreate a plot then you
might be able to simply recreate the original figure assuming the
correct interpreter functions are established.  Anyway, if you are interested please take a look to see if there may be something useful.  From the perspective of the IPython users out there, a question to you: is there a good way to do achieve this feature with some of the logging commands?  

http://code.google.com/p/subplot/

Cheers,

Brian

-ps excuse the name of the project--I lacked creative drive at the time of naming.

--- On Tue, 9/16/08, John Hunter <jd...@gm...> wrote:
From: John Hunter <jd...@gm...>
Subject: Re: [Matplotlib-users] save or pickle figure object
To: "Josef Koller" <jk...@la...>
Cc: mat...@li...
Date: Tuesday, September 16, 2008, 7:49 PM

On Tue, Sep 16, 2008 at 5:06 PM, Josef Koller <jk...@la...> wrote:
> Hi folks,
>  I would like to save preliminary figures for later processing and
> refinement with matplotlib. Is there a way to save or pickle a figure
> object and later reload it. Matlab has a feature like that and and I was
> wondering if matplotlib has it too.

No, it doesn't exist.  We've taken a stab at it once or twice, but
have been stymied because we make extensive use of a python extension
libray CXX, and these objects have resisted our attempts to pickle
them.  With our recent transforms refactoring, which removes the
hairiest CXX dependency, it may be worth taking another look, but
noone is currently working on it.

JDH

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