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From: db <dieterhansbritz@gmail.com>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: rgb
Date: Tue, 30 Apr 2024 08:35:18 -0000 (UTC)
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On Tue, 30 Apr 2024 07:12:42 +0200, Jörg Buchholz wrote:

> 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

Thank you, that works. I wonder why it works for
just one without the lc.

-- 
db