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From: John Edwards <johned0@gmail.com>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Feature request : replot multiplot
Date: Wed, 08 Jan 2014 13:49:33 +0000
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Thanks Michael,
I don't think I can use this via pipes but I have looked at using 
intermediate files rather than pipes so this will definitely help.
Cheers,
John

> Maybe this would be helpful?
>
> 1.dat:
> 1 2
> 2 3
> 3 4
> 4 5
>
> 2.dat:
> 2 3
> 3 4
> 4 5
> 5 6
>
> 3.dat:
> 1 6
> 2 7
> 3 8
> 4 9
>
> stats '1.dat' using 2 name 'A'
> stats '2.dat' using 2 name 'B'
> stats '3.dat' using 2 name 'C'
>
> min_val=(A_min<B_min ? A_min : B_min)
> min_val=(min_val<C_min ? min_val : C_min)
> max_val=(A_max>B_max ? A_max : B_max)
> max_val=(max_val>C_max ? max_val : C_max)
>
> set size 1.,1.
> set origin 0.,0.
>
> set multiplot
>
> set origin 0.0,0.0
> set size 0.3,0.5
> set yrange [min_val:max_val]
> plot '1.dat' using 1:2 with linespoints
>
>
> set origin 0.3,0.0
> set size 0.3,0.5
> set yrange [min_val:max_val]
> plot '2.dat' using 1:2 with linespoints
>
>
> set origin 0.6,0.0
> set size 0.3,0.5
> set yrange [min_val:max_val]
> plot '3.dat' using 1:2 with linespoints
>
> unset multiplot
> reset