Path: csiph.com!eternal-september.org!feeder.eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail
From: =?UTF-8?Q?J=c3=b6rg_Buchholz?= <bookwood4new@freenet.de>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: How to define bar area colors in a histogram
Date: Tue, 10 Apr 2018 08:48:05 +0200
Organization: A noiseless patient Spider
Lines: 56
Message-ID: <pahmn6$1ak$1@dont-email.me>
References: <a645efe0-905a-41a5-8c13-17948769b07d@googlegroups.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit
Injection-Date: Tue, 10 Apr 2018 06:48:06 -0000 (UTC)
Injection-Info: reader02.eternal-september.org; posting-host="f487d81bd2db3a71ad8e61f1a1e0bb95"; logging-data="1364"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX1+xbmI74eMgCEgmXPhzqqmfG6OC1Gqz4vg="
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0
In-Reply-To: <a645efe0-905a-41a5-8c13-17948769b07d@googlegroups.com>
Content-Language: en-GB
Cancel-Lock: sha1:512RWK0zpij4bkonKHQbFSkjRiA=
Xref: csiph.com comp.graphics.apps.gnuplot:3939

On 08.04.2018 17:49, Bengt T wrote:
> I use the following input to gnuplot:
> 
> #*****
> clear
> reset
> 
> set key left top verical
> 
> set xtics rotate
> set ytics rotate
> set ytics 0, 200
> set y2tics rotate
> set y2tics 0, 200
> 
> set grid
> 
> set style data histogram
> set style fill solid border
> set style histogram rowstacked
> set boxwidth 0.5 relative
> 
> set terminal jpeg font "Droid Sans Mono"
> set output "tmp.jpg"
> 
> plot for [COL=2:4] 'testdata.txt' using COL:xticlabels(1) title columnheader
> #*****
> 
> for the following data (testdata.txt):
> 
> #****
> Date    Key_1   Key_2   Key_3
> 2017-01-31      50      50      50
> 2017-02-28      75      50      150
> 2017-03-31      25      100     200
> 2017-04-30      150     200     250
> 2017-05-31      200     50      100
> #****
> 
> In my PC this results in bars with red, green and blue areas.
> 
> I kindly ask for advises on how to define other colors? 
> 

You can predefine the colors by setting the color of the linetype.

As example

set linetype 1 lc rgb 'green'
set linetype 2 lc rgb 'yellow'
set linetype 3 lc rgb 'goldenrod'

gives the three columns in green, yellow and goldenrod to you.

Jörg