Re: [Gnuplot-info] About using gnuplot in a non-passive mode

[Alan C. <ala...@gm...>]

Absolutely, I've never used the GUI.  I had used some scientific
plotting packages in the 1980s and Gnuplot reminds me a little of
those.  Full docs on their web site, there's even a PDF which is
searchable.

I use rxvt as a terminal and Joe as an editor, just to show that you
can use about anything.  You learn to make little files like this.
You call them like gnuplot somefile and the output goes into the file
you specify inside it.

I'm not happy with this multiplot layout but it's an example here.
----
# blood pressure plotting format for manually recorded (on paper) points
# this (bpp) does pulse via multiplot too
# columns are date, time, systolic, diastolic, pulse

reset
set xdata time

set terminal gif giant size 1024,768
set output "bpp_1024.gif"
set multiplot layout 2,1
# This is the format in the input file, not the output:
set timefmt "%m/%d/%Y\t%H:%M"
set style data linespoints
set xtics auto
set xrange ['11/1/2020':]
plot '2020.tab' using 1:3 lt -1 title 'Systolic', \
     '2020.tab' using 1:4 lt -1 title 'Diastolic'
plot '2020.tab' using 1:5 lt -1 title 'Pulse'


On 3/12/21, Aleksey Tsalolikhin <ats...@gm...> wrote:
> Hi Eduardo,
>
> Gnuplot is a command-line utility.  See http://www.gnuplot.info/ which
> starts with, "Gnuplot is a portable command-line driven graphing utility".
>
> Are you using it on the command-line?  I've only ever used it on UNIX and
> Linux systems...
>
> I use the "pngcairo" terminal, as per
> https://stackoverflow.com/questions/9080832/output-png-from-gnuplot-is-not-as-good-as-the-figure-from-prompt-shell
>
> Hope this helps!
>
> Best,
> Aleksey
>
> On Mon, Nov 30, 2020 at 12:51 AM edulsa <ed...@qu...> wrote:
>
>> Dear
>>
>> I have used Gnuplot (win and BSD versions) in my  Physical Chemistry
>> classes since January. I have learned a lot about it and I got
>> encouraged my students to use this beautiful free program.
>> However, I have a problem with my interface that I couldn´t solve even
>> reading tutorials and manuals: I start a document, inserting constants,
>> writing functions and plotting graphs without problems. I save the
>> document (.plt document type) and close Gnuplot. But, when I reopened
>> the same document (loading in a clean start), only the last plot save is
>> showed. I would like to reopen the document to show to my students line
>> by line, how to insert constants, define functions and not get only the
>> last graph. Of course, I  always can edit it using vim or another editor
>> but I think that it should be a more cleaver way to do this directly in
>> Gnuplot plot.
>>
>> My terminal is wxt. Is this caused by the terminal type that I choose?
>> Please, could you give suggestions?
>>
>> I wish to thank you in advance for your attention
>>
>> My best regards
>>
>> Eduardo
>>
>> --
>> Eduardo Lemos de Sa
>> Professor Titular
>> Dep. Quimica da Universidade Federal do Paraná
>> fone: +55(41)3361-3300
>> fax:   +55(41)3361-3186
>> Voip Number 10531185
>>
>>
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>
>
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