Path: csiph.com!usenet.pasdenom.info!aioe.org!.POSTED!not-for-mail
From: Janis Papanagnou <janis_papanagnou@hotmail.com>
Newsgroups: comp.graphics.apps.gnuplot
Subject: Re: Plotting boxes with height and color intensity as parameters
Date: Sun, 02 Mar 2014 15:16:00 +0100
Organization: Aioe.org NNTP Server
Lines: 16
Message-ID: <leveet$269$1@speranza.aioe.org>
References: <le956h$7of$1@speranza.aioe.org>
NNTP-Posting-Host: RYXWUwPSGYWrJViRnQ40Lw.user.speranza.aioe.org
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-15
Content-Transfer-Encoding: 7bit
X-Complaints-To: abuse@aioe.org
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130330 Thunderbird/17.0.5
X-Notice: Filtered by postfilter v. 0.8.2
Xref: csiph.com comp.graphics.apps.gnuplot:2325

On 22.02.2014 04:22, Janis Papanagnou wrote:
> From a data file I am using two columns to plot boxes with 50% saturation:
> 
>   plot "data" using 1:4 axis x1y2 title '...' with boxes fs solid 0.5
> 
> I'd be interested to know whether it's possible to change that constant 0.5
> to become a parameter also controlled by the data file. In the "data" file
> I have a column that contains percentages in the range from 0% to 100% that
> should be mapped to a range of something like "solid 0.0" to "solid 1.0".
> Would that be possible to achieve, and if so, how?
> 
> Thanks!

I'd also appreciate a negative confirmation, that what I intend is not
possible to achieve with gnuplot.