* Inline plot with matplotlib @ 2013-09-09 22:27 Johan Ekh 2013-09-09 23:05 ` Eric Schulte 2013-09-09 23:08 ` Rasmus 0 siblings, 2 replies; 4+ messages in thread From: Johan Ekh @ 2013-09-09 22:27 UTC (permalink / raw) To: emacs-orgmode@gnu.org [-- Attachment #1: Type: text/plain, Size: 227 bytes --] Hi all, I would like to create a plot with matplotlib and have it exported to a beamer presentation without storing the plot in a file. Is that possible? Can someone point me to an example or a good starting point? BR / Johan [-- Attachment #2: Type: text/html, Size: 284 bytes --] ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Inline plot with matplotlib 2013-09-09 22:27 Inline plot with matplotlib Johan Ekh @ 2013-09-09 23:05 ` Eric Schulte 2013-09-09 23:08 ` Rasmus 1 sibling, 0 replies; 4+ messages in thread From: Eric Schulte @ 2013-09-09 23:05 UTC (permalink / raw) To: Johan Ekh; +Cc: emacs-orgmode@gnu.org Johan Ekh <ekh.johan@gmail.com> writes: > Hi all, > I would like to create a plot with matplotlib and have it exported to a > beamer presentation without storing the plot in a file. Is that possible? > Can someone point me to an example or a good starting point? > > BR / Johan If matplotlib supports tikz or raw tex output formats, you could use a python code block, e.g., something like the following. #+begin_src python :results latex # Python code to print latex code for a graph #+end_src -- Eric Schulte https://cs.unm.edu/~eschulte PGP: 0x614CA05D ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Inline plot with matplotlib 2013-09-09 22:27 Inline plot with matplotlib Johan Ekh 2013-09-09 23:05 ` Eric Schulte @ 2013-09-09 23:08 ` Rasmus 2013-09-11 14:47 ` Johan Ekh 1 sibling, 1 reply; 4+ messages in thread From: Rasmus @ 2013-09-09 23:08 UTC (permalink / raw) To: emacs-orgmode Johan Ekh <ekh.johan@gmail.com> writes: > Hi all, > I would like to create a plot with matplotlib and have it exported to a > beamer presentation without storing the plot in a file. Is that possible? I guess you'd want to plot is as a pgf file, whether real of 'virtual'. You could send the result to STDOUT but it may take a bit more effort. Also, a simple test with sys.stdout says the pgf backend doesn't support stdout. . . If *printing* to a pgf file everything works out of the box in recent versions of Org. > Can someone point me to an example or a good starting point? http://matplotlib.org/users/pgf.html Here's an example of a simple plot. #+TITLE: =matplotlib= and =pgf= #+LATEX_HEADER: \usepackage{pgf} #+NAME:spectrum #+BEGIN_SRC python :var OUT="test.pgf" :exports results :results value file import matplotlib as mpl pgf_with_pdflatex = { "pgf.texsystem": "pdflatex", "text.usetex": True, 'pgf.rcfonts': False, 'font.size': 9, 'fond.family': 'serif', "pgf.preamble": [ r"\usepackage[utf8]{inputenc}", r"\usepackage[T1]{fontenc}"]} mpl.rcParams.update(pgf_with_pdflatex) import matplotlib.pyplot as plt from numpy import pi, cos, linspace s1, t1, t2 = 1, .8, .2 s = lambda w: s1 / (2 * pi) * (1 + t1 ** 1 + t2 ** 2 + (1 + t2) * 2 * t1 * cos(w) + 2 * t2 * cos(4 * w)) x = linspace(0, pi, 1000) plt.figure(figsize=(4,1.5)) plt.plot(x, s(x)) plt.xlim( 0, pi) plt.xlabel("$\\omega$") plt.ylabel("Spectrum") plt.tight_layout(0) plt.savefig(OUT, format = 'pgf') return(OUT) #+END_SRC #+RESULTS: spectrum [[file:test.pgf]] -- . . . The proofs are technical in nature and provides no real understanding. ^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: Inline plot with matplotlib 2013-09-09 23:08 ` Rasmus @ 2013-09-11 14:47 ` Johan Ekh 0 siblings, 0 replies; 4+ messages in thread From: Johan Ekh @ 2013-09-11 14:47 UTC (permalink / raw) To: Rasmus; +Cc: emacs-orgmode@gnu.org [-- Attachment #1: Type: text/plain, Size: 1931 bytes --] Thank you! This works! /Johan On Tue, Sep 10, 2013 at 1:08 AM, Rasmus <rasmus@gmx.us> wrote: > Johan Ekh <ekh.johan@gmail.com> writes: > > > Hi all, > > I would like to create a plot with matplotlib and have it exported to a > > beamer presentation without storing the plot in a file. Is that possible? > > I guess you'd want to plot is as a pgf file, whether real of > 'virtual'. You could send the result to STDOUT but it may take a bit > more effort. Also, a simple test with sys.stdout says the pgf backend > doesn't support stdout. . . > > If *printing* to a pgf file everything works out of the box in recent > versions of Org. > > > Can someone point me to an example or a good starting point? > > http://matplotlib.org/users/pgf.html > > Here's an example of a simple plot. > > #+TITLE: =matplotlib= and =pgf= > #+LATEX_HEADER: \usepackage{pgf} > #+NAME:spectrum > #+BEGIN_SRC python :var OUT="test.pgf" :exports results :results value file > import matplotlib as mpl > pgf_with_pdflatex = { > "pgf.texsystem": "pdflatex", > "text.usetex": True, > 'pgf.rcfonts': False, > 'font.size': 9, > 'fond.family': 'serif', > "pgf.preamble": [ > r"\usepackage[utf8]{inputenc}", > r"\usepackage[T1]{fontenc}"]} > mpl.rcParams.update(pgf_with_pdflatex) > import matplotlib.pyplot as plt > from numpy import pi, cos, linspace > s1, t1, t2 = 1, .8, .2 > s = lambda w: s1 / (2 * pi) * (1 + t1 ** 1 + t2 ** 2 + (1 + t2) * 2 * t1 > * cos(w) + 2 * t2 * cos(4 * w)) > x = linspace(0, pi, 1000) > plt.figure(figsize=(4,1.5)) > plt.plot(x, s(x)) > plt.xlim( 0, pi) > plt.xlabel("$\\omega$") > plt.ylabel("Spectrum") > plt.tight_layout(0) > plt.savefig(OUT, format = 'pgf') > return(OUT) > #+END_SRC > > #+RESULTS: spectrum > [[file:test.pgf]] > > > > > -- > . . . The proofs are technical in nature and provides no real > understanding. > > > > > > [-- Attachment #2: Type: text/html, Size: 2819 bytes --] ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2013-09-11 14:47 UTC | newest] Thread overview: 4+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2013-09-09 22:27 Inline plot with matplotlib Johan Ekh 2013-09-09 23:05 ` Eric Schulte 2013-09-09 23:08 ` Rasmus 2013-09-11 14:47 ` Johan Ekh
Code repositories for project(s) associated with this external index https://git.savannah.gnu.org/cgit/emacs.git https://git.savannah.gnu.org/cgit/emacs/org-mode.git This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.