[Orgmode] Re: [OT] gnuplot quality

2010-06-18 Thread Eric Schulte
John Hendy jw.he...@gmail.com writes:

 Tried this and it works well -- the output is definitely much better! One
 oddity -- the EPS generated is black and white whereas the typical output
 was in color... silly option I'm missing?


try

  set terminal postscript eps color enhanced 20

instead of

  set terminal postscript eps enhanced 20

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Re: [babel] Re: [Orgmode] Re: [OT] gnuplot quality

2010-06-16 Thread Alan E. Davis
Hello Eric:

On Tue, Jun 15, 2010 at 1:35 PM, Eric S Fraga ucec...@ucl.ac.uk wrote:

 I am surprised, however, at this comment:

 Gnuplot was ok when I didn't need quailty graphs.

 in what way does gnuplot fall short in terms of quality?  (but keep
 this part of the conversatino off-list please to avoid annoying others)

I don't have a great deal to say about this, so I will keep my remarks
on the list.

I needed/wanted a tool to produce publication quality graphs.  Gnuplot
is great, and I have used it in the past, to make tide graphs.  In my
experience, controls of the details of the graph were less accessible
to me, and the graphs I produced were pretty rough edged.  GRI has
worked very well for me for monthly tide graph calendars, with good
control of parameters.  GNUPLOT is fantastic for quick, and what I
felt were rough and ready plots.

GRI is easily installed on Ubuntu installs, and a gri mode for emacs
makes it easier.

I will try the suggestions you made to work out a babel solution for gri plots.

Thanks for the suggestions,

Alan

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[babel] Re: [Orgmode] Re: [OT] gnuplot quality

2010-06-15 Thread Eric S Fraga
On Sun, 13 Jun 2010 12:35:43 +1000, Alan E. Davis lngn...@gmail.com wrote:

 I use the gri plotting language to make plots.  Does anyone here use this?
 
 I am over my head in trying to use babel as a literate programming tool; yet
 that's exactly what I need to do, else at least have a method for
 coordinating better comments / notes with the code.

Alan,

I don't use gri.  I have had a quick look at it and it should be
possible (for others, not me :() to create an org-babel interface for
this.  If you have any elisp knowledge, you could try starting from
one of the existing language implementations.  You could also try to
use the support for sh in org-babel but you'd have to get the table
data into a file first.  Others may have more reasonable suggestions,
however...

I am surprised, however, at this comment:

 Gnuplot was ok when I didn't need quailty graphs.

in what way does gnuplot fall short in terms of quality?  (but keep
this part of the conversatino off-list please to avoid annoying others)
-- 
Eric S Fraga
GnuPG: 8F5C 279D 3907 E14A 5C29  570D C891 93D8 FFFC F67D
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Re: [babel] Re: [Orgmode] Re: [OT] gnuplot quality

2010-06-15 Thread Eric Schulte
Eric S Fraga ucec...@ucl.ac.uk writes:

 On Sun, 13 Jun 2010 12:35:43 +1000, Alan E. Davis lngn...@gmail.com wrote:

 I use the gri plotting language to make plots.  Does anyone here use this?
 
 I am over my head in trying to use babel as a literate programming tool; yet
 that's exactly what I need to do, else at least have a method for
 coordinating better comments / notes with the code.

 Alan,

 I don't use gri.  I have had a quick look at it and it should be
 possible (for others, not me :() to create an org-babel interface for
 this.  If you have any elisp knowledge, you could try starting from
 one of the existing language implementations.  You could also try to
 use the support for sh in org-babel but you'd have to get the table
 data into a file first.

If this is something you're interested in, you could start by making a
copy of org-babel-gnuplot.el, and then search/replace gnuplot/gri, and
you'll be most of the way there.

The gnuplot file already has support for dropping tables to
tab-separated files, and then placing the paths to those files into the
body of code blocks, which may be sufficient for table support in gri --
although having not heard of gri before this email I can't say for sure.

Best -- Eric

 Others may have more reasonable suggestions, however...

 I am surprised, however, at this comment:

 Gnuplot was ok when I didn't need quailty graphs.

 in what way does gnuplot fall short in terms of quality?  (but keep
 this part of the conversatino off-list please to avoid annoying others)

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[Orgmode] Re: [OT] gnuplot quality

2010-06-12 Thread Eric Schulte
Eric S Fraga ucec...@ucl.ac.uk writes:

 On Fri, 11 Jun 2010 13:35:52 -0700, Eric Schulte schulte.e...@gmail.com 
 wrote:

 [...]

 WRT: the ugliness of gnuplot to file, I've wrestled with this myself and
 I know exactly what you mean.  Currently I try to use svg or png images
 when exporting to html, and for pdf I use the gnuplot tikz terminal [2].

 John  Eric,

 Another approach, which I use and which doesn't require using the
 development version of gnuplot for the tikz support, is to generate
 encapsulated postscript files:

   set terminal postscript eps enhanced 20
   set output graph.eps


Thanks!

I just tried the above (well technically the below [1]) and it does look
great and scales well.  It's nice to have a light-weight alternative to
tikz -- a great addition to my plotting toolbox.

Best -- Eric


 for instance.  Then, if I need bitmap images, I use convert from
 ImageMagick to create these from the EPS files with the required
 density (depending on intended use, whether screen display or
 printing), as in

   convert -density 300 graph.eps graph.png

 With EPS, you can get very nice looking text, especially with the
 enhanced gnuplot set terminal option and the result is size
 independent.

Footnotes: 
[1]  
--8---cut here---start-8---
#+begin_src gnuplot
  set terminal postscript eps enhanced 20 color
  set output ~/Desktop/graph.eps
  set isosample 30,30
  set title 'bumpy'
  set xrange[-4:4]
  set yrange[-4:4]
  splot sin(x) + sin(y) notitle
#+end_src
--8---cut here---end---8---



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[Orgmode] Re: [OT] gnuplot quality

2010-06-12 Thread Eric S Fraga
On Sat, 12 Jun 2010 08:23:44 -0700, Eric Schulte schulte.e...@gmail.com 
wrote:
 
 Eric S Fraga ucec...@ucl.ac.uk writes:
 
  On Fri, 11 Jun 2010 13:35:52 -0700, Eric Schulte schulte.e...@gmail.com 
  wrote:
 
  [...]
 
  WRT: the ugliness of gnuplot to file, I've wrestled with this myself and
  I know exactly what you mean.  Currently I try to use svg or png images
  when exporting to html, and for pdf I use the gnuplot tikz terminal [2].
 
  John  Eric,
 
  Another approach, which I use and which doesn't require using the
  development version of gnuplot for the tikz support, is to generate
  encapsulated postscript files:
 
set terminal postscript eps enhanced 20
set output graph.eps
 
 
 Thanks!
 
 I just tried the above (well technically the below [1]) and it does look
 great and scales well.  It's nice to have a light-weight alternative to
 tikz -- a great addition to my plotting toolbox.
 
 Best -- Eric

[...]

 Footnotes: 
 [1]  
 --8---cut here---start-8---
 #+begin_src gnuplot
   set terminal postscript eps enhanced 20 color
   set output ~/Desktop/graph.eps
   set isosample 30,30
   set title 'bumpy'
   set xrange[-4:4]
   set yrange[-4:4]
   splot sin(x) + sin(y) notitle
 #+end_src
 --8---cut here---end---8---
 
 

You're very welcome.  I use a number of methods to generate graphs and
diagrams and gnuplot is definitely one of my favourites.  For the
adventurous, there's a great blog: 

http://gnuplot-tricks.blogspot.com/

Put gnuplot together with org-mode and org-babel and it's yet another
piece in the puzzle that leads to an incredibly powerful desktop
analysis and publishing system!
-- 
Eric S Fraga
GnuPG: 8F5C 279D 3907 E14A 5C29  570D C891 93D8 FFFC F67D
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Re: [Orgmode] Re: [OT] gnuplot quality

2010-06-12 Thread Alan E. Davis
I use the gri plotting language to make plots.  Does anyone here use this?



I am over my head in trying to use babel as a literate programming tool; yet
that's exactly what I need to do, else at least have a method for
coordinating better comments / notes with the code.

Gnuplot was ok when I didn't need quailty graphs.

I also need to learn to make a number of other types of plots, including
polar plots.  I understand that it is possible with gri, but haven't set
down to try to get my head around the process.

Alan Davis

On Sun, Jun 13, 2010 at 6:16 AM, Eric S Fraga ucec...@ucl.ac.uk wrote:

 On Sat, 12 Jun 2010 08:23:44 -0700, Eric Schulte schulte.e...@gmail.com
 wrote:
 
  Eric S Fraga ucec...@ucl.ac.uk writes:
 
   On Fri, 11 Jun 2010 13:35:52 -0700, Eric Schulte 
 schulte.e...@gmail.com wrote:
  
   [...]
  
   WRT: the ugliness of gnuplot to file, I've wrestled with this myself
 and
   I know exactly what you mean.  Currently I try to use svg or png
 images
   when exporting to html, and for pdf I use the gnuplot tikz terminal
 [2].
  
   John  Eric,
  
   Another approach, which I use and which doesn't require using the
   development version of gnuplot for the tikz support, is to generate
   encapsulated postscript files:
  
 set terminal postscript eps enhanced 20
 set output graph.eps
  
 
  Thanks!
 
  I just tried the above (well technically the below [1]) and it does look
  great and scales well.  It's nice to have a light-weight alternative to
  tikz -- a great addition to my plotting toolbox.
 
  Best -- Eric

 [...]

  Footnotes:
  [1]
  --8---cut here---start-8---
  #+begin_src gnuplot
set terminal postscript eps enhanced 20 color
set output ~/Desktop/graph.eps
set isosample 30,30
set title 'bumpy'
set xrange[-4:4]
set yrange[-4:4]
splot sin(x) + sin(y) notitle
  #+end_src
  --8---cut here---end---8---
 
 

 You're very welcome.  I use a number of methods to generate graphs and
 diagrams and gnuplot is definitely one of my favourites.  For the
 adventurous, there's a great blog:

 http://gnuplot-tricks.blogspot.com/

 Put gnuplot together with org-mode and org-babel and it's yet another
 piece in the puzzle that leads to an incredibly powerful desktop
 analysis and publishing system!

 --
 Eric S Fraga
 GnuPG: 8F5C 279D 3907 E14A 5C29  570D C891 93D8 FFFC F67D

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