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MathGroup Archive 2004

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Re: filtering graphics

  • To: mathgroup at smc.vnet.net
  • Subject: [mg52443] Re: [mg52398] filtering graphics
  • From: Yasvir Tesiram <tesiramy at omrf.ouhsc.edu>
  • Date: Sat, 27 Nov 2004 01:40:50 -0500 (EST)
  • References: <200411251051.FAA21594@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Hi,
You probably need to split your sequence of events up so that the target
isn't created before you operate on it. Alternatively pipe the data
through your script using Export. It also depends on what you want to do
with your graphics. You may be able to do what your script is doing with
Mathematica. Anyway, I assume you already know about Run (or !) so here is
an example of what I think you may want:

In[21]:=
$Version

Out[21]=
5.1 for Linux (October 25, 2004)

In[22]:=
$OperatingSystem

Out[22]=
Unix


g1 = Plot[x^2, {x, -2.0, 2.0}]
g2 = Plot[x^3, {x, -2.0, 2.0}]

Display["~/plot.eps", g1, "EPS"]

Display["~/plot1.eps", g2, "EPS"]

(* here is a filter using ImageMagicks convert"

filter = "convert ~/plot.eps ~/plot1.eps -combine ~/plot2.eps"

(* and GIMP to open the newly converted picture*)

openGimp = "gimp ~/plot2.eps"

Run[filter]

Run[openGimp]


Hope this helps.

Cheers
Yas



On Thu, 25 Nov 2004 seb at magda.ifj.edu.pl wrote:

> How to export graphics through 'filter'
> (filter is a shell script)
>
> Display["! filter > plot.eps",plot,"EPS"]
>
> doesn't work.
>
> Seb.
>


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