From: Khoroshyy Petro <khoroshyy@gmail.com>
To: Darlan Cavalcante Moreira <darcamo@gmail.com>
Cc: org-mode mailing list <emacs-orgmode@gnu.org>
Subject: Re: export image generated by python code.
Date: Wed, 2 May 2012 21:10:00 +0200 [thread overview]
Message-ID: <CAEoO5zrfZt+X1v_2qERZaAXs9qC=0eJ8cNY1zqkFU1jebE=SJw@mail.gmail.com> (raw)
In-Reply-To: <4f9eac49.8a1b340a.7045.ffff8af9@mx.google.com>
Hi Darlan.
Thanks for you response.
I am aware of the working folder differences and use absolute path in
my scripts.
I have found a workaround in this mailing list:
http://lists.gnu.org/archive/html/emacs-orgmode/2011-06/msg00156.html
This solves my problem with inline images in results. Have not tried
exports yet.
#+begin_src python :results output raw :exports results
import numpy, matplotlib, matplotlib.pyplot
figure = matplotlib.pyplot.figure()
axes = figure.add_subplot(111, title=u"Hello", xlabel="x", ylabel="y")
x = numpy.arange(-10, 10, 0.1)
axes.plot(x, x**2)
figure.savefig("/tmp/plot_test.png")
figure.clf()
print "["+"[/tmp/plot_test.png]]"
#+end_src
On Mon, Apr 30, 2012 at 5:14 PM, Darlan Cavalcante Moreira
<darcamo@gmail.com> wrote:
>
> Remember that when you execute the code via "C-c C-c" it is run in a
> temporary file which is not in the same folder as the org file from where
> it was generated from. Maybe you are reading some data from a file and
> Python is not able to locate the file when run with "C-c C-c".
>
> Put ":results output" in the header and then print the current working
> directory to see what I mean. If this is the problem, use the full path to
> load any data you need in the python code. Remember you can use variables
> in org-babel to pass this path to python, such as ":var
> datapath="some_path_or_lisp_function_to_get_the_path" in the babel header..
>
> --
> Darlan
>
> At Mon, 30 Apr 2012 15:54:34 +0200,
> Khoroshyy Petro <khoroshyy@gmail.com> wrote:
>>
>> Hi all.
>> After some struggle, I can see inline pictures in my org file.
>> The problem was python execution. If I execure the code in python-mode
>> shell, it generates a picture.
>> I the code executed via C-c C-c, the output picture file is empty.
>> I still do not know how to solve it.
>>
>> And I have encountered another problem. The 'result' image is not
>> exported, even if I add play with :export option.
>>
>> Any recommendations how to solve those?
>> Thanks
>> Petro
>> #+BEGIN_SRC python :file estimated_spectra_cl.png
>> import pylab
>> from scipy import optimize
>> import numpy as np
>> import pylab as plt
>> .....
>> plt.figure()
>> plt.plot(spectra[:,0],spectra[:,1:])
>> plt.grid(1)
>> # plt.show()
>> plt.savefig("estimated_spectra_cl.png",dpi=100)
>> #+END_SRC
>>
>> #+RESULTS:
>> [[file:estimated_spectra_cl.png]]
>>
--
______________________________
Petro Khoroshyy
prev parent reply other threads:[~2012-05-02 19:10 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-30 13:54 export image generated by python code Khoroshyy Petro
2012-04-30 15:14 ` Darlan Cavalcante Moreira
2012-05-02 19:10 ` Khoroshyy Petro [this message]
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