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From: =?UTF-8?Q?J=C3=B6rg_Buchholz?= <bookwood4new@freenet.de>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: rgb
Date: Tue, 30 Apr 2024 07:12:42 +0200
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Xref: csiph.com comp.graphics.apps.gnuplot:4663

On 29.04.2024 16:50, db wrote:
> In a script intended to plot two sets of data points,
> the plotting statement is
> 
> plot 'plotII.dat'  w p pt 7 rgb "blue",\
>      'plotIII.dat' w p pt 7 rgb "red"
> 
> This produces the following error message.
> 
> gnuplot> plot 'plotII.dat'  w p pt 7 rgb "blue", 'plotIII.dat' w p pt 7 
> rgb "red"
>                                      ^
>          line 0: unexpected or unrecognized token: rgb
> 
> But if I remove the second half, from the comma
> onwards, it does plot the first set as blue points.
> Why is this, and what should I do?
>

morning,

you must put a "lc" for linecolor in front of the rgb.

plot 'plotII.dat'  w p pt 7 lc rgb "blue",\
     'plotIII.dat' w p pt 7 lc rgb "red"

Jörg