From: Eric Schulte <schulte.eric@gmail.com>
To: Michael Gilbert <mcg@gilbert.org>
Cc: emacs-orgmode Mailinglist <emacs-orgmode@gnu.org>
Subject: Re: gnuplot question - "Specify an entire line to be inserted in the Gnuplot script."
Date: Fri, 29 Jul 2011 13:52:45 -0600 [thread overview]
Message-ID: <87tya4j242.fsf@gmail.com> (raw)
In-Reply-To: <105B4AC5-3799-4715-8F1E-5D3F6A1F4450@gilbert.org> (Michael Gilbert's message of "Fri, 29 Jul 2011 12:29:12 -0700")
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Hi Michael,
I would recommending using a gnuplot code block rather than a plot line,
and passing your data to the code block using a variable. Code blocks
give you much more direct access to gnuplot, which I find generally
makes gnuplot learning/debugging much easier.
see http://orgmode.org/manual/Working-With-Source-Code.html
add something like this to your config
(org-babel-do-load-languages
'org-babel-load-languages
'((gnuplot . t)))
then try something like the following
Best -- Eric
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** simple gnuplot tests
#+results: some-more-gnuplot
| 1 | 1 |
| 2 | 4 |
| 3 | 9 |
| 4 | 16 |
| 5 | 25 |
| 6 | 36 |
| 7 | 49 |
| 8 | 64 |
#+TBLFM: $2=$1*$1
#+begin_src gnuplot :var data=some-more-gnuplot
plot "$data"
#+end_src
#+results:
Plotting data points from a table could look like this:
#+tblname: basic-plot
| x | y1 | y2 |
|-----+------------+------------|
| 0.1 | 0.425 | 0.375 |
| 0.2 | 0.3125 | 0.3375 |
| 0.3 | 0.24999993 | 0.28333338 |
| 0.4 | 0.275 | 0.28125 |
| 0.5 | 0.26 | 0.27 |
| 0.6 | 0.25833338 | 0.24999993 |
| 0.7 | 0.24642845 | 0.23928553 |
| 0.8 | 0.23125 | 0.2375 |
| 0.9 | 0.23333323 | 0.2333332 |
| 1 | 0.2225 | 0.22 |
#+begin_src gnuplot :var data=basic-plot :exports code :file basic-plot.png
set title "Putting it All Together"
set xlabel "X"
set xrange [0:1]
set xtics 0,0.1,1
set ylabel "Y"
set yrange [0.2:0.5]
set ytics 0.2,0.05,0.5
plot data u 1:2 w p lw 2 title 'x vs. y1', \
data u 1:3 w lp lw 1 title 'x vx. y2'
#+end_src
#+results:
[[file:basic-plot.png]]
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Michael Gilbert <mcg@gilbert.org> writes:
> Hi —
>
> There is a single line in the OM manual (currently on p32) which reads:
>
> line Specify an entire line to be inserted in the Gnuplot script.
>
> I am trying to insert a couple of horizontal reference lines in a
> simple plot. I have the plot working, but I need an example of this to
> help me along. The Gnuplot manual is a monster all its own and I'm not
> even sure the format is exactly the same. At any rate, I'm a little
> stuck. Any advice?
>
> — Michael
>
> Nonprofit News
> http://nonprofitnews.org
>
>
>
--
Eric Schulte
http://cs.unm.edu/~eschulte/
next prev parent reply other threads:[~2011-07-29 19:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-29 19:29 gnuplot question - "Specify an entire line to be inserted in the Gnuplot script." Michael Gilbert
2011-07-29 19:52 ` Eric Schulte [this message]
2011-07-29 22:48 ` Michael C Gilbert
2011-07-29 22:52 ` Eric Schulte
2011-07-29 23:06 ` Michael C Gilbert
2011-07-29 23:41 ` Nick Dokos
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