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Date: Wed, 19 Dec 2012 12:21:55 +0300
Message-ID: <CAMvDHVCOiFYAMC+9LDWtqCFtji4mVP8=+-Bp3ZW8Bh7CtaSf4w@mail.gmail.com>
Subject: Re: [geda-help] Re: Using a mouse with gEDA/ngspice graphs in Linux?
From: Vladimir Zhbanov <vzhbanov AT gmail DOT com>
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Hi Keith

I'm doing some work with ngspice now and I found (once again after
a while) that using gnuplot with ngspice is very easy and this
could be useful for you.
Just type
  gnuplot filename v(1) v(5,2) ...
and ngspice will open a gnuplot window (similar to what is used
for the plot command), and output three files: data file
(filename.data) containing numerical data of your plot; gnuplot
plot file (filename.plt) containing commands for gnuplot you may
wish to change or learn; and EPS file (filename.eps) which you can
easily convert into PNG using the imagemagick's 'convert' program
or use it as is to preview your plots in a postscript viewer. I
just remember you needed PNG output. The output data file can also
be used to view the plots in gwave (and maybe gaw).  Just do:
'gwave filename.data' and drag'n'drop one of the items from the
variable window into one of the wavepanels.

Cheers