Re: [Gnuplot-info] Print huge data into a single plot

[Matthias_D <d00...@nt...>]

I inserted " ? " instead of "[]" in the files.
But there is still no usable output. 
My plotfile looks like this:

set datafile missing "?"
set   autoscale                        # scale axes automatically
unset log                              # remove any log-scaling
unset label                            # remove any previous labels
unset title		   # remove any previous titles
set ytics
(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30)
set xtics (0,2000,4000,6000,8000,10000,12000,14000,16000,17544)
set title "Monitoring Data for stations 1 to 30"
set xlabel "time [hours]"
set ylabel "Stationnumber"
set xr [-300:18450]
set yr [-1.5:31.5]          #I want to print 30 stations on one page
plot "1.txt" using 1:2 with lines,\
"" using 1:3 with points pt1 ps1,\
"2.txt" using 1:(2*$2) with lines,\
"" using 1:(2*$3) with points pt1 ps1,\
"3.txt" using 1:(3*$2) with lines,\
"" using 1:(3*$3) with points pt1 ps1

But I still get the message "plot_final.p", line xx: ';' expected   (xx) is
the last line!
I also don't like the data in the upper right corner.

Output like this:
http://old.nabble.com/file/p32580666/Output1.jpg 




Thomas Sefzick wrote:
> 
> it doesn't seem to be a good idea to use brackets (=2 characters) for
> missing data, better would be to specify something like
> 
> set datafile missing "?"
> 
> and use a question mark for missing data.
> 
> there should be no problem to use many datafiles and
> assign an individual y-value to each data set, e.g.
> 
> plot "datafile_1" using 1:2 with lines,\
> "" using 1:3 with points pt1 ps1,\
> "datafile_2" using 1:(2*$2) with lines,\
> "" using 1:(2*$3) with points pt1 ps1,\
> "datafile_3" using 1:(3*$2) with lines,\
> "" using 1:(3*$3) with points pt1 ps1
> 
> please explain what you mean by 'output becomes miserable'?
> 
> 
> Matthias_D wrote:
>> 
>> Hi,
>> I'm quite new to use gnuplot. Very complicated, I think. But hope I can
>> learn it.
>> 
>> My problem (I found a complicated sollution already, but maybe there is a
>> simple one):
>> 
>> There are many temperatur monitoring stations. The time of their activity
>> shall be plotted
>> as a horizontal line (x axis is the time [hours]) as well as the hours of
>> their malfunktion 
>> (set a "+" on this line).
>> The x axis is the time [hours] from 1 to 17544 (for 2 years).
>> 
>> Now I arranged the data in one file for each station. Looks like this:
>> 
>> First column is the time (hours), second column shows the beginning and
>> end, third column shows the errors.
>> 
>> 567 1 []
>> 678 [] 1
>> 679 [] 1
>> ....
>> 17543 [] 1
>> 17544 1 []
>> 
>> I inserted the brackets to tell gnuplot that here is no value to plot.
>> Actually the data is logical. For various stations I choose to replace
>> the "1" with "2", "3", .....
>> Then the y axis will be 1, 2, 3  and so on and the data will be plotted
>> horizontally for each station.
>> This works fine with one file. 
>> 
>> plot "001.txt" using 1:2 w lines,\
>>      "001.txt" using 1:3 w points pt1 ps1,\
>>      "002.txt" u 1:2 w lines,\
>>      "002.txt" u 1:3 w points pt1 ps1
>> 
>> But when I want to plot more files the output becomes miserable.
>> 
>> I expected to add as many files as I want, but this didn't work.
>> 
>> I also tried to put all the data into a single file with many columns,
>> but it doesn't get better.
>> 
>> Often comes the message "  ';' expected. "
>> 
>> Thanks for every hint! 
>> 
> 
> 

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