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Groups > comp.graphics.apps.gnuplot > #2570

Stacked areas

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Hi,

I want to create a stacked area graph. The examples I found on the net are all based on multiple Y values for one strictly identical X value like this:

2013-09-01,3,5,12,14,3
2013-09-02,5,6,12,15,6
2013-09-03,2,4,16,12,4
2013-09-04,1,3,18,11,3
2013-09-05,3,4,15,13,6
2013-09-06,7,3,12,21,9
2013-09-07,5,4,11,18,8

But my series are formatted that way (the date value COULD be different for the different series, of some seconds of even 1/4h):

0x10000000c9c06972
28/08/2014 00:00:01,6.79
28/08/2014 00:15:01,8.21


0x10000000c9c06973
28/08/2014 00:00:01,6.96
28/08/2014 00:15:01,8.25

Here my Gnuplot script that currently draw lines:

#! /usr/bin/gnuplot
set xdata time
set style data lines
set timefmt "%d/%m/%Y %H:%M:%S"
set format x "%d/%m\n%H:%M"
set xlabel "Time"
set ylabel "Traffic %"
set yrange [0:100]
set datafile separator ","
set term png size 1920,1024
set output 'fc_stats.png'
plot for [IDX=0:3] 'fc_plot.tmp' i IDX u 1:2 w lines title columnheader(1)

-> Is it possible with that kind of value to get a stacked area?

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Stacked areas Nicolas Michel <be.nicolas.michel@gmail.com> - 2014-09-01 07:39 -0700
  Re: Stacked areas Karl <mail.kfr@gmx.net> - 2014-09-01 18:45 +0200
    Re: Stacked areas Nicolas Michel <be.nicolas.michel@gmail.com> - 2014-09-02 02:56 -0700

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