From: Suvayu Ali <fatkasuvayu+linux@gmail.com>
To: emacs-orgmode@gnu.org
Subject: gnuplot with errorbars in org-mode
Date: Sat, 24 Jul 2010 21:26:37 -0700 [thread overview]
Message-ID: <4C4BBCFD.1010406@gmail.com> (raw)
Hi everyone,
I am a new org-mode user and this is my first post to the mailing list.
Lately I have been using org-mode to manage the data for a study I'm
doing for my research project. I primarily use the spreadsheet features
to do all the calculations and then use gnuplot to plot the final
result. For all the basic plotting it works great, but I am having
trouble when I want error bars in my plot.
To demonstrate my point here is a small example.
> #+PLOT: title:"My plot" ind:1 deps:(2) type:2d with:xyerrorlines
> | Abscissa (X) | Ordinate (Y) | X low edge | X high edge | Y low edge | Y high edge |
> |--------------+--------------+------------+-------------+------------+-------------|
> | 60 | 1.1140741 | 0020 | 0100 | 1.1699508 | 1.0680423 |
> | 150 | 1.1187818 | 0100 | 0200 | 1.1593492 | 1.0855438 |
> | 350 | 1.1193459 | 0200 | 0500 | 1.1331885 | 1.1086636 |
> | 600 | 1.1029173 | 0500 | 0700 | 1.0940769 | 1.1121185 |
> | 850 | 1.0841388 | 0700 | 1000 | 1.0676310 | 1.1000886 |
> | 1250 | 1.0358938 | 1000 | 1500 | 1.0127586 | 1.0586916 |
> | 2000 | 0.89370079 | 1500 | 2500 | 0.88014981 | 0.925 |
This gives me an error like this,
> gnuplot> plot '/tmp/org-plot30213YHV' using 1:2 with xyerrorlines title 'Ordinate (Y)'
> Not enough columns for this style
I have tried changing the "#+PLOT:" line to say this,
> #+PLOT: title:"My plot" ind:1 deps:(2 3 4 5 6) type:2d with:xyerrorlines
But that doesn't work either. I think the problem is org-plot doesn't
recognise that when plotting with error bars, gnuplot expects more than
two columns of data. So a command like this should be sent to gnuplot,
> plot '/tmp/org-plot30213YHV' using 1:2:3:4:5:6 with xyerrorlines title 'Ordinate (Y)'
In fact typing this on the gnuplot terminal actually generates the
desired plot!
So I thought maybe I should try org-babel. So I tried something like this,
> #+srcname: plot-data-w-err
> #+begin_src gnuplot
> set title 'My plot'
> plot 'data-table' using 1:2:3:4:5:6 with xyerrorlines title 'Ordinate (Y)'
> #+end_src
and gave my table a name like this,
#+tblname: data-table
But that didn't behave as I was expecting it to. I think I don't quite
understand how to pass a table as an input to a source block.
I was hoping someone on the list could either help me understand how
babel uses tables as inputs, or pass the correct command to gnuplot with
org-plot. BTW, org-mode is phenomenal. Loving every bit of it. Thank you
Carsten /et al./ :)
Specifics:
Org-mode version 7.01
GNU Emacs 23.2.1 (x86_64-redhat-linux-gnu, GTK+ Version 2.20.1) of
2010-05-13 on x86-07.phx2.fedoraproject.org
gnuplot 4.4 patchlevel 0
--
Suvayu
Open source is the future. It sets us free.
next reply other threads:[~2010-07-25 4:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-25 4:26 Suvayu Ali [this message]
2010-07-25 14:48 ` gnuplot with errorbars in org-mode Eric Schulte
2010-07-25 16:53 ` suvayu ali
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