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From: "thibault.langlois" <thibault.langlois@gmail.com>
Newsgroups: comp.graphics.apps.gnuplot
Subject: =?windows-1252?Q?Re=3A_how_do_i_set_a_key_=28legend=29_when_using_=93plot_w?= =?windows-1252?Q?ith_labels=94?=
Date: Tue, 22 May 2012 12:05:40 -0700 (PDT)
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On Tuesday, May 22, 2012 5:18:29 PM UTC+1, sfeam wrote:
> thibault.langlois wrote:
> 
> > When I use "plot with labels" with various groups of points everything is
> > ok, labels appear in different colors.
> > 
> > However I could not find a way to set the key (legend) properly I would
> > like to have a sample of the text color used for each group of points. All
> > a get is the title associated to each group.
> > 
> > set term x11
> > set key outside
> > set grid
> > set xlabel "#occurences"
> > set ylabel "F-score"
> > set title "Experiment"
> > plot "-" lw 1 with labels font "\"Helvetica\"" tc lt 1 title "foo" , "-"
> > lw 1 with labels font "\"Helvetica\"" tc lt 2 title "bar" 96.0 0.24390244
> > 11 5547.0 0.7443704 24
> > 3974.0 0.83244646 114
> > 241.0 0.16025642 174
> > 6220.0 0.7571273 188
> > 7810.0 0.8637012 206
> > e
> > 
> > 98.0 0.0 4
> > 96.0 0.11320755 11
> > 5547.0 0.75145125 24
> > 3974.0 0.8333118 114
> > 6220.0 0.7646692 188
> > 7810.0 0.87222874 206
> > e
> > 
> > I would like the word "foo" to appear in red and the word "bar" in green.
> 
> Add the following:
>    set key textcolor variable
> 
> The rest is fine.

Problem solved. Thanks a lot.