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From: =?UTF-8?Q?J=c3=b6rg_Buchholz?= <bookwood4new@freenet.de>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: linecolor and fillcolor as stringvariable
Date: Tue, 3 Sep 2019 14:38:58 +0200
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On 03.09.2019 14:03, Jörg Buchholz wrote:
> Hello,
> 
> for me string variables being hard. I can't found a way to set "lc" and
> "fc" as string variables.
> 
> example:
> 
> color1 = "red"
> color2 = "green"
> set obj 1 rect from 0,0 to 5,5 fc color1
> set obj 2 rect from 0,0 to 5,-5 fc color2
> plot sin(x) w l lc color1, cos(x) w l lc color2
> 
> How must I define the variables?
> 

OK. I found a way.

color1 = "'red'"
color2 = "'green'"
set obj 1 rect from 0,0 to 5,5 fc @color1
set obj 2 rect from 0,0 to 5,-5 fc @color2
plot sin(x) w l lc @color1, cos(x) w l lc @color2


Jörg