Questions tagged [gnuplot]
Gnuplot is a portable command-line driven graphing utility for Linux, OS/2, MS Windows, OSX, VMS, and many other platforms.
104 questions
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Plotutils / Plotfont: get specific character (HPGL) code
GNU plotfont is a simple utility that will produce a character map for any font available to the GNU plotting utilities graph, plot, pic2plot, and tek2plot, and the GNU libplot graphics library on ...
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can't install gnuplot
I am using gnuplot and Rust for a project on my Linux Mint (cinnamon) PC. However once I try to display a picture I get:
called `Result::unwrap()` on an `Err` value: Couldn't spawn gnuplot. Make sure ...
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How to use a bash output as a variable in gnuplot? OpenFOAM log examples
I have a log file like this:
Starting time loop
Courant Number mean: 0 max: 0
deltaT = 0.0012
Time = 0.0012
DILUPBiCGStab: Solving for Ux, Initial residual = 1, Final residual = 4.8276e-08, No ...
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How to pass a bash variable (list of numeric data) to gnuplot *without using a file*
I am using netcat to get a series of points which I would like to plot with gnuplot. However, I am having trouble passing the data to gnuplot without writing it to a file first.
In the simplest case, ...
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Best way to generate pdf output from gnuplot
I have many data files in a directory. Each data file has various columns and I want vector plots using a few of them. Earlier I was generating .png files using a .gp script and combining them into a ...
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gnuplot - Histogram bars in different colors with the values on top
I have this data file (TotalDurationBarPlot.dat):
Indexed list 934
Tree list 3692
Array list 12274
Linked list 48188
What I wish to achieve is a histogram chart with 4 bars: one for Indexed list, one ...
- 53
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322
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How to remove lines with nonsense format numbers?
I have the following data that I am processing to get the 1st and 5th column, convert the D format to E format and delete rows that have gibberish numbers such as 9.410-316.
DEG = 1.500
2....
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Gnuplot -e not working on Debian 11
E.g. the following command
gnuplot -e "splot [x=-3:3] [y=-3:3] sin(x)*cos(y)"
works perfectly fine on Windows 10 with GNUPLOT 5.4p5. But on my Debian Bullseye box with GNUPLOT 5.4p1 all I ...
- 131
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gnuplot: add values above the bars
My script takes the data from the third and 5th columns of the input datafile considering only the lines where the value from the 5th column > 0.05, producing a bar graph
cat <<EOS | gnuplot &...
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xmgrace: bar graph vizualisation using batch
I am using xmgrace to plot 2D bar plot from the following input data:
@ title "H-bonds"
@ xaxis label "Donor"
@ yaxis label "Frac"
@s0 line type 0
@s0 symbol linewidth 1
@...
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Bash script for plotting multiple files with Gnuplot
I want to plot several files just executing a bash script which calls Gnuplot. My idea of a possible bash script is:
#!/bin/bash
gnuplot
plot 'my_first_file.dat' u 1:2
replot 'my_second_file.dat' u 1:...
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How to change the number format in the gnuplot status bar?
I am plotting some financial data in gnuplot as candlesticks. Example of the data:
2022-04-20T00:01:00 1.07907 1.07901 1.07916 1.07907
2022-04-20T00:02:00 1.07906 1.079 1.07908 1.07907
2022-04-20T00:...
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gnuplot doesn't show plotting window on Ubuntu
I was using gnuplot in Ubuntu with wxt terminal, and when I type in plot sin(x), I get an error message:
Unable to init server: Could not connect: Connection refused
23:00:40: Error: Unable to ...
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Gnuplot: What is the difference between plot '/dev/stdin' and plot '-'?
When I use '-' to plot in gnuplot from a pipeline, as follows⭐:
$ seq 5 | gnuplot -e "plot '-' w lp; pause 99"
it works fine, I can adjust the plot's window size, can show/hide grid without ...
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improve plot scale and display
I am trying to plot some data using gnuplot
My input is similar to
$ go run . | tail
410ms-420ms 14260
420ms-430ms 13654
430ms-440ms 13344
440ms-450ms 13156
450ms-460ms 12829
460ms-470ms 12463
470ms-...
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217
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use xgraph or gnuplot in ubuntu
I am using ns2.35 and ubuntu 18.040. I have a number of trace files and I want to compare them in terms of: delay, throughput, power consumption (awk files) .. I would like to use xgraph or gnuplot .. ...
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322
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Running several Gnuplot commands in parallel with Gnu Parallel
I would like to run a list of Gnuplot commands in parallel.
I'm getting an "Unrecognized option" error:
$ ./parallel-plot-sine.sh | parallel -q gnuplot
unrecognized option -e "set ...
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Filter the data to generate the outermost points only
I have the following data, when plotted gives me the following
I would like to save and plot only the outermost points with a line plot. Pls do suugest on how to proceed with this and advise on how ...
- 221
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285
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Sort the data to plot a circle
Here I have a data which I would to plot with line using Gnuplot.
Using the code
pl 'Sphere_ISOTEST_data.txt' w p
I get below figure
but, using
pl 'Sphere_ISOTEST_data.txt' w l
I get the following:
...
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250
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Gnuplot connect points when no value
I have below example,
1|5
2|8
3|1
6|8
7|5
8|10
With below code the chart connects between 3 and 6 x data is there a way to plot zero values between 3 and 6 x data,
gnuplot << EOT
set ...
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267
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Gnuplot dyld: Library not loaded: /usr/X11/lib/libXpm.4.dylib on Mac
I had a previous version of XQuartz on my Mac High Sierra 10.13.6 and I was running gnuplot (not very recent version, 4...). Then I updated XQuartz and gnuplot does not start anymore. I receive the ...
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Draw border around Gnuplot points
I'm plotting point using Gnuplot as explained in this article. For example:
However I want to draw a black border around each of the points. In the above example, the square, circle, and triangle ...
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1
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265
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gnuplot one odd xtic value display
I have created a gnu plot control file (.plt) with number of nodes 40 to 80 with gap of 10 and last value as 84. when I generate output I don't get value 84 shown in xtics. I want values from 40 to 80 ...
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gnuplot setting image width with pixels for specific DPI
I need to produce image with gnuplot with following guide given
width=90 mm (255 pt), pixels at 300 dpi=1063, pixels at 500 dpi=1772 , pixels at 1000 dpi=3543
How can i produce image with width=90mm ...
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How to open interactive gnuplot window from a bash script
I want to plot a file using gnuplot from within a bash script. For this I used the following command:
gnuplot --persist -e "plot file1.dat"
It shows the plot in a window but I want to look ...
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gnuplot: Can you set shell variables in a script and then later call them?
I want to be able to issue shell commands from a gnuplot script, such as setting a variable, but it appears that the system command spawns a new shell instance as opposed to issuing commands to the ...
- 232
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483
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The first character of command is being removed automatically by the shell
I have a simple shell script to copy certain data file from one directory into the current working directory and I plot this file along with another file in the working directory using gnuplot. The ...
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167
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string xtic labels with yerrorbars and separate title for each row
I have a file, file.dat, that contains string and numeric xticlabels
STD 0.34 0.04
0.1 0.4 0.03
0.2 0.3 0.04
0.3 0.31 0.045
Column No.1 is for xticlabels, Column 2 is for value to plot against ...
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433
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gnuplot xlabels alphanumeric and stretching x axis range
I have plotted a file containing string and numbers as x labels with following code
plot "fileaskinf.dat" u 2:xticlabels(1) t "teams"
The file contents are
A-Team 0.05
0.5 0....
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gnuplot plotting file with error bars containg strings and number in a colum as xtics
In Linux/Ubuntu i have plotted a file with 3 columns ,x, y and error bars. Now i have file with numbers and text in first column. i can i plot it with error bars with numbers and string in the label?.
...
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Using bash script variable in gnuplot plot command
I want to plot a set of data stored in different files:
file.txt_100K
file.txt_200K
file.txt_300K
I came up with the following bash script:
1 #!/bin/bash
2
3 filename=file.txt_
4
5 ...
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working directory in gnuplot
How do I specify the working directory for gnuplot in interactive mode?
If I want to call a script with "call 'label_loop.gnu'" and do not want to put the script file in the gnuplot installation ...
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1
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193
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Keeping record of disk usage in Debian
I stumbled across this beautiful program ncdu and it definitely is a great program to view your diskspace. But however if i want to keep a track of my disk usage, it provides not options to export the ...
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gnuplot: Calculate a square root
when I type sqrt(4) I get
^
invalid command
how do I calculate the square root of a positive real number with gnuplot?
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Gnuplot Precission
Does anyone know whether there is a way to run gnuplot with quadruple arithmetic precision? E.g. When you want to plot a line and you want to subtract a value like
"2....
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2
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how to include Angstrom symbol and Greek letters in gnuplot?
I am using gnuplot and would like to get the symbol for "Angstrom" (Å, ISO encoding 305) and the Greek letter Delta (Δ, Symbol 104) in the plot. How can I combine the two encoding schemes when ...
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gnuplot y1 y2 common zero
Is there an easy way to make gnuplot automatically show y1=0 and y2=0 at the same height in the image while the y1 and y2 axes have different scales?
The only way I am aware is to make sure the ...
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Gnuplot: Plotting from *txt files from different directories by reading column header
My folder structure looks kind of like this
$ tree
.
├── Original_folder
│ └── cat.txt
├── folderCD
│ └── cat.txt
├── folderGK
│ └── cat.txt
├── folderFE
└── cat.txt
Each cat.txt file has 5 ...
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gnuplot - line 0: unexpected or unrecognized token
code:
#!/usr/bin/env bash
# download death data
wget -O Deaths.txt http://www.randomservices.org/random/data/Deaths.txt
wget -O Pumps.txt http://www.randomservices.org/random/data/Pumps.txt
# Delete ...
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Plotting first column as X and every other column as a separate line for Y in gnuplot
I have a data file that is formatted as following:
1 1.000000 1.000000 1.000000 1.000000 1.000000 1.000000 1.000000 1.000000 1.000000 1.000000
2 0.943177 1.305333 1.735536 1.797774 1.598829 1.737834 ...
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Plotting all files from a directory in gnuplot
How to plot all files in directory in gnuplot? I mean the when I have 15 data files I will get 15 graphs.
plot '???' with lines
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How to concatenate and sort three CSV files in Gnuplot
I have to plot with Gnuplot the data contained in 3 CSV files.
Commonly, I use the following code to plot from 2 CSV files:
$datablock << EOD
`cat ../Q1a/sim_Q1.csv <(tail -n+8 ../Q1b/...
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Setting axis label and histogram labels using GNUplot
I have the following GNUplot file:
set title "Performance of Quicksort over random data sets"
set yrange [0:80000]
set style data histogram
set style histogram cluster
set style fill solid border -1
...
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628
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Change position on the graph screen gnuplot in bash script
i have a script in bash that read the file Throughputtx.txt and print this information in a graph of GNUPLOT, but this graph goes to the left side of my screen and I want it to be printed in the ...
3
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1
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992
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Unicode in Gnuplot terminal
E.g., on the bash command line I can type a δ character using the Compose key and an ad hoc ~/.XCompose file, but if I try to do the same in Gnuplot what I get is
13:48 boffi@debian:~ $ δ
bash: δ: ...
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249
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Installing latest gnuplot on Debian Stretch for a single user
Is there an easy way to install the latest gnuplot on Debian stable without backports? Ideally as a local self-consistent installation that would not interfere with the rest of the system. Is it ...
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2
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gnuplot, here-documents, and command line arguments
Can I use a here document to pass a gnuplot script to gnuplot and also have commandline line arguments passed to gnuplot?
In my bash file, I would normally write:
#!/bin/bash
#set up code in here...
...
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0
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688
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How to (1) force zrange (2) the axis labels parallel in 3D plot using gnuplot?
I am trying to set the zrange in 3D plot from -0.04 to 0.04 as follows
`set zrange [-0.04:0.04]
this show the ztics from -0.04 to 0.04 but it leaves some space between the ztics and the x axis,
1- ...
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1
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418
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How to draw jitter plot using gnuplot?
I'm trying to plot the data of 100x11 array in plot using gnuplot. I created a .gnu file to generate plot but unable to get jitter plot.
I'm using the below code
set terminal pngcairo size 1280,800 ...
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1
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1k
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how to show gnuplot timeseries graph from log of changes
I have an application that produce log like that:
14:48:16, 41.0
14:50:01, 40.0
14:54:01, 41.0
14:54:04, 40.0
14:55:10, 41.0
14:55:22, 40.0
15:00:13, 41.0
...
It is current time and the measured ...
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