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From: Karl-Friedrich Ratzsch <mail.kfr@gmx.net>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Coloured points
Date: Sun, 16 Aug 2015 00:33:53 +0200
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Am 14.08.2015 um 20:11 schrieb Dieter Britz:
> On Fri, 14 Aug 2015 14:36:15 +0000, Dieter Britz wrote:
> 
>> Can points be coloured? I find linecolor but no pointcolor.
>>
>> Maybe these are shown in the example page for the different line and
>> point types but I have forgotten how to get that page. How was that?
> 
> 
> Extra question: I am asked to use coloured lines,
> the colour specified (from a Windows system) as e.g.
> Orange:  192, 96, 0 . How does that translate into
> gnuplot colour? No doubt rgb <something> but what?

RTFM : "help rgbcolor variable"