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Re: [Orgmode] org-plot (generating graphs from org-mode)
From: |
Eric Schulte |
Subject: |
Re: [Orgmode] org-plot (generating graphs from org-mode) |
Date: |
Tue, 26 Aug 2008 08:10:01 -0700 |
On Tuesday, August 26, at 15:32, Manish wrote:
> On Tue, Aug 26, 2008 at 7:23 AM, Eric Schulte wrote:
> > Hi,
> >
> > org-plot enables generation of graphs from data stored in org tables
> > (maybe eventually elsewhere in org files).
> >
> > It is available on github at
> > http://github.com/eschulte/org-plot/tree/master or with
> >
> > git clone git://github.com/eschulte/org-plot.git
> >
> > Included with org-plot.el is an example.org file which should quickly
> > show off it's features, options and abilities.
> >
> > While this is not completed, it is functional, and I figure better to
> > get early feedback then wait until it's all polished. Please give it
> > a look and let me know what you think.
>
> Awesome! This has wonderful possibilities for my work. I just wish I
> had this a couple of months ago. But I hope I am going to have an
> opportunity to use this again soon.
Great to hear, hopefully this will be more robust by then :)
> Works great on GNU Emacs 22.1.1 with Org 6.06b and gnuplot 4.2
> patchlevel 3. Got a "current buffer has no process" when tried from
> Windows Native GNU Emacs 22.2.1 but I am sure that's something I need
> to correct at my end.
I'll take a look and see if there are any unix-only commands being
used, I have no access to windows machines so I may not be able to
reproduce.
> A couple of questions (or feature requests):
>
> 1. How can I save the image? I think the question how to use a
> different device like "png" and have charts saved on disk.
you can save the image by adding a
file:"path-to-image.jpg"
option to the #+PLOT: line above the graph, which should set gnuplot's
`output' and `term' options appropriately, if you want to do fancy
things you can set these values manually by adding something like the
following to the #+PLOT: line
set:"terminal png transparent nocrop enhanced font arial 8"
set:"output 'my-output-file.png'"
> 2. How to use custom labels?
there is an option intended for this purpose labels:(col1 col2) which
should have this effect, however I will probably need to change the
way the regexp parses options first, I'll put this on my TODO list and
let you know when it's working.
> 3. How can I pick and choose which columns to plot like in gnuplot's
> plot command?
you select the column to serve as the dependent variable (x-axis)
using the dep: command with the number of the column as the sole
argument (dep:1 to use the first column). To specify which cols
should be plotted use the inds: options passing a list of column
numbers, like inds:(2 3)
> 4. How can I cycle through all tables and plot them all?
I have no idea what the best method would be for cycling through
tables, I agree this would be a useful feature (picturing all graphs
being re-generated upon export to latex/html), however I don't know of
any commands for cycling through tables. I've been thinking of
defining a [[plot:]] type link which may make this easier. Also, I
may be able to copy an answer from the exporting code. If anyone has
any ideas I'd love to hear them.
> Thanks for writing and sharing this.
Thank you, I'm happy it may be useful. -- Eric
> Regards,
> -- Manish
--
schulte