Re: [Gnuplot-info] Several horizontal lines

[Thomas S. <t.s...@fz...>]

you need gnuplot 4.3-cvs

set datafile separator ","
t=""
plot for [i=0:4] 'ts.dat' us ((i==0&&$0==0)?(b=$2,t=stringcolumn(1)):99 ,
$0==0?(a=b):99, $0==(i+1)?(b=$2,t=stringcolumn(1)):99 , $0):(a) with lines
title t


Daniel Clemente-2 wrote:
> 
> 
> 
> Hi, I look for orientation on how to plot a graph I have seen no examples
> for.
> 
>   Imagine you have this data consisting of tower_name+tower_height:
> 
> Burj Dubai, 818
> KVLY-TV mast, 628.8
> CN Tower, 553.3
> Sears Tower, 527.3
> Taipei 101, 509.2
> 
>   I want a graph with 5 horizontal lines, each at the height specified by
> the second parameter.
>   Similar in nature to this graph:
> https://eshu.ubuntu-eu.org/cgi-bin/munin-cgi-graph/ubuntu-eu.org/eshu/smart_sdb-month.png
> 
>   I could do manually: plot 818 title "Burj Dubai", 628.8 title "KVLY-TV
> mast", 553.3 title "CN tower", 527.3 title "Sears Tower", 509.2 title
> "Taipei 101"
>   But I want the data to be read from a file.
> 
>   Can this be done with a gnuplot command?
> 
>   Thanks,
> Daniel
> 
> 
> 
>       
> 
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