Gnuplot is a portable command-line driven graphing utility for Linux, OS/2, MS Windows, OSX, VMS, and many other platforms.

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14
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2answers
10k views

In gnuplot, how to plot with lines but skip missing data points?

I've got a value associated to each day, as such: 120530 70.1 120531 69.0 120601 69.2 120602 69.5 # and so on for 200 lines When plotting this data in gnuplot with lines, the data ...
6
votes
1answer
8k views

How do I define a function in parts for plotting?

I use gnuplot for plotting functions. This is my script at the moment: set terminal png xffffff x222222 set output "Ausgleichszahlungen.png" set title "Ausgleichszahlungen" set xlabel 'F_MZ / A_MZ' ...
6
votes
2answers
6k views

How to plot dot labeled data?

I'd like to turn a file like: Name X Y a 1 2 b 4 1 s 3 3 in a X-Y graphic with the X-Y dots labeled with Name. How can I do it? I think this can be done with gnuplot, but I wasn't ...
6
votes
1answer
387 views

Plotting Pairs of Ordered Pairs in Gnuplot

If I have a data file with 4 columns: x1, y1, x2, y2, How can plot a line connecting (x1, y1) to (x2, y2) for each element (row)? I assume it is pretty easy, but I have been playing around for an ...
5
votes
2answers
496 views

Which gnuplot terminal type should I use in org-babel-gnuplot with latex export

All gnuplot examples on http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-gnuplot.html use the png terminal. However, when exporting to latex I'd rather like to generate vector graphics. ...
4
votes
1answer
11k views

How do I divide one column in gnuplot?

I have gnuplot data file. I would like to plot it, but divide every value in the x-axis by n. Can I do this from within gnuplot, or do I have to rewrite the data file?
4
votes
1answer
606 views

Looking up gnuplot abbreviations

I'm new to gnuplot. I am reading the manual but am having a hard time finding explanations for some of the abbreviations people use in their scripts. For example, I am working with an script that ...
4
votes
2answers
713 views

How can I split the wedges of a pie chart to show extra information per wedge in consecutive rings?

I'm plotting disk partitioning and available space. I have a pie chart showing the partitioning: e.g. 30% /, 70% /home. In the second ring I want to show that 90% / is full, 10% of / is empty. 10% ...
3
votes
3answers
10k views

Specifically marking a point in gnuplot

suppose I want to plot a graph and I want to show on the graph some important points. How do I do this in gnuplot? For example, in the graph of y = x2, I want to show (2,4) and (4,16).
3
votes
1answer
529 views

Looking for a graph program for time series

I want to find software (Windows or Linux) that can create time based graphs with the following wishes. Can you suggest which programs come closest to my wishes? Whishlist: The x-axis has to ...
3
votes
1answer
5k views

Plotting Error Bars with GNUPLOT

I can't get gnuplot to make a plot with error bars when my x values are non-numeric. For an example "data.dat": day col1 col2 MONDAY 12 4 TUESDAY 10 3 WEDNESDAY 9 2 ...
3
votes
2answers
4k views

Software GNUPlot not launching from GNU Octave

I'm trying to launch GNUPlot from Octave, but when I do I get the following error: octave-3.4.0:3> plot(x,y) dyld: Library not loaded: /usr/X11/lib/libfreetype.6.dylib Referenced from: ...
3
votes
1answer
84 views

How to use mathematical functions not built-in in gnuplot

I've always considered gnuplot as very useful, and even more since I use tikz in LATEX documents. Unfortunately, the number of core implemented functions in gnuplot is quite small, I often need ...
3
votes
1answer
380 views

How can I graph memory usage by user?

Basically, I want to graph the memory usage with each username as title, as time passes by. I would set that script as a cron job, to create a graph that shows memory usage of certain usernames. How ...
3
votes
2answers
688 views

How to plot data for several signals, one above the other?

Following this question. How can I command gnuplot to draw this plot: (from the bottommost example on this page). I guess I need to do something similar to what is being done here. But what ...
3
votes
1answer
344 views

How do I use gnuplot to create a 3d phase-space plot?

Have a look at this webpage - enclosed but not encrypted For a three-dimensional phase-space plot, the sequence a, b, c, d, e, f, etc. can be used as space coordinates (a-b, b-c, c-d), (b-c, ...
2
votes
2answers
5k views

How can I create a pie-chart with gnuplot?

I want to create a pie-chart. Is that possible with gnuplot and how to realize that?
2
votes
1answer
4k views

create a smooth surface using x,y,z data gnuplot

I have a file which contains x,y,z data. Actually, the data is: x = latitude y = longitude z= Depth I want to create a smooth surface but I have no idea how to do it. Could anybody give me some ...
2
votes
2answers
413 views

Plot custom log data on GNU/Linux

I'm logging some data relative to clients NFS usage over a network. Now I want to plot it on a lines diagram, and I'm overwhelmed by the possibilities I'm finding out there. No one seems to be easy to ...
2
votes
2answers
171 views

gnuplot - operating on a two digit column

I'm trying to operate on a column prior to its plotting. This is the line I'm having issues with: plot campo1 u 1:($22*0.05) where campo1 is the path to the file. The problem is that gnuplot ...
2
votes
1answer
132 views

Automatically open a file when gnuplot starts on Windows

I would like to assign gnuplot to .gnuplot files (gnuplot scripts) on Windows 8.1, in such a way that the gnuplot environment starts with the script file loaded. For this I would need to pass the ...
2
votes
1answer
1k views

Installing gnuplot from MacPorts failed (Checksum Mismacth)

I have OSX 10.5 and tried to sudo port install gnuplot, only to get this: ---> Computing dependencies for gnuplot ---> Verifying checksum(s) for gnuplot Error: Checksum (md5) mismatch for ...
2
votes
1answer
2k views

Gnuplot GUI for Ubuntu 10.10

Is there a Gnuplot GUI (equivalent to wgnuplot.exe) for Ubuntu ?
2
votes
1answer
831 views

How to make gnuplots fullscreen?

How can I make gnuplot plot its plots in full-screen instead of a small window?
1
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2answers
5k views

How to connect points with curves in gnuplot

I have some data that I want to connect them with smooth curves. I do not want lines. I am attaching some points below. Instead of lines, I want to have a curve. Can anyone tell me how to do this in ...
1
vote
1answer
23 views

Logs of Gnuplot for startupt?

I have now many times uninstalled and installed different gnuplots. However, now, the gnuplot with qt crashes in the startup if I simply run gnuplot -e "plot 'data.dat'" The crash occurs such ...
1
vote
1answer
2k views

Cannot install gnuplot with aquaterm support (OS X Yosemite)

I'm having issues trying to get aqua term support in gnuplot. I've installed aquaterm, rebooted the system, then installed gnuplot using homebrew. When I start gnuplot, it sets terminal to 'unknown' ...
1
vote
1answer
550 views

Plot .gnu file with gnuplot

I have a file with .gnu extension.It contains gnuplot commands. I want to show up the graph, using gnuplot. So, which command is right for this.
1
vote
1answer
75 views

Scale patterns in Gnuplot (without resizing the whole output)

I want to create a plot with the eps terminal using patterns to fill the area between some curves, for example using these commands: set terminal eps size 4, 4 set output "plot.eps" plot x**2 with ...
1
vote
1answer
287 views

bad interpreter shell script

Hi I'm trying to write a shell script for plotting with gnuplot however I keep running into the error: bash: ./plot.sh: usr/bin/gnuplot: bad interpreter: No such file or directory I have checked the ...
1
vote
1answer
24 views

GNU plots_Plotting histograms from given set of values against the number of their occurances

How can we plot a histogram from a csv file containing all data into a single column. I need to plot those values vs the number of times they get repeated.
1
vote
1answer
21 views

Gnuplot: a different way to write the same function in 1d and 2d

I am confused about following type of function f(x) = b/x**nb * exp(y_(y)/k) f(x,y) = (b/(x**nb))*exp(y/k) Here y seems to be the same in the two expression. I would like to understand the ...
1
vote
2answers
185 views

Change the default shell of gnuplot

My question is: How can I change the default shell of gnuplot? I want to change it in order to send stdout to bash. This should be pretty easy, but I'm giving up. Here's why. I'm running gnuplot ...
1
vote
0answers
206 views

Plotting timedata in gnuplot

I have a log file (auth.log) where non-relevant lines has been removed. I wish to aggregate lines per hour/day into the plot, meaning that each line that is within the same hour or day is aggregated ...
1
vote
1answer
837 views

Plotting multiple xy pairs in Gnuplot from file

I have a data series that I'm trying to plot in Gnuplot of the format: x1, y1, x2, y2 ... xn, yn Where every two adjacent columns represent an xy pair. I'm looking for a way to plot each of these ...
1
vote
1answer
2k views

Specifically define colors of bars in histogram

See updated question below!: (1 Old stuff) I have the following code: clear reset unset key # Make the x axis labels easier to read. set xtics rotate out # Select histogram data set style data ...
1
vote
1answer
733 views

GNUPLOT on Lion using Homebrew

After upgrading to OSX 10.7.4 I had to reinstall GNUPLOT which is always a hassle. I decided that I would try Homebrew instead of Fink or MacPorts. Ofcourse, before installing Homebrew one needs the ...
1
vote
0answers
1k views

how to stack pm3d multiplot in gnuplot?

Using gnuplot, I would like to stack 5 contour plots together, meaning no white spaces between them. I can't get it to work for some reason. any help is appreciated. #! /usr/bin/gnuplot reset set ...
0
votes
2answers
513 views

Gnuplotting gzipped files

I would like to use a command like plot 'datafile.gz' u 1:2 in gnuplot for a data file that is gzipped. Of course gnuplot does see that the file is gzipped and unzip it for me. Is there a way to ...
0
votes
2answers
1k views

How to set axis same in length in gnuplot

I am making a map with gnuplot. But, I find that the length of X axis is not equal with the Y axis. For example, the length of X from 0 to 10 is 20 pixels while 15 pixels in Y axis from 1 to 10. Can I ...
0
votes
1answer
457 views

ddd+ubuntu+gnuplot error [closed]

Just started using ddd with ubuntu. I'm able to do the basic operations(step and watch) without any problems. But, when I try to view a graph, it gets stuck on the "Starting gnuplot" screen. when I ...
0
votes
1answer
152 views

How to add lines to a gnuplot with image?

I'm having trouble trying to add lines to an image plot. Here's an example illustrating the problem plot 'xyz.dat' using image set arrow 0,0 to 1,1 nohead replot Yet no lines appear. Is it even ...
0
votes
1answer
79 views

gnuplot used defined function - is there comprehensive documentation?

I am trying to write a cumulative function (my version of gnuplot does NOT have smooth cumul option!) But the documentation for user-defined functions is very limited. For example what does this do? ...
0
votes
1answer
907 views

gnuplot on Mac OS X lion

I've installed gnuplot using Mac Ports on a machine running Mac OS X 10.7. The installation exited without any errors or even warnings, however when I try to run it the following shows up: dyld: ...
0
votes
1answer
1k views

Making 1D histogram out of 2D data using gnuplot?

I have data of the form: x1 y1 x2 y2 ... where each cuople x, y represents a point in the 2D plane. I need a histogram of the point spread in the y-direction (eg. bin all points with similar ...
0
votes
1answer
84 views

Plot an area defined by a parameter range of

If I have something like this: y = sin(x+z) How can I plot the values of y, as a function of x and all the possible values of z in [-0.1, +0.1]? That is, I want the area defined by those limits. ...
0
votes
0answers
8 views

Blender's features missed in gnuplot?

I am designing a particle physics visualization where electron accelerates in a hole and multiplies in many other electrons in a high electric field through avalanche. I know that Blender has ...
0
votes
0answers
40 views

I cannot get gnuplot to output lines to a PNG file

I am trying to create a simple image that shows plotted points with lines connecting them. I know this is very simple, but I don’t get connecting points, I just get tiny dots. I have a very simple ...
0
votes
0answers
55 views

How can I edit the delay of the first frame of an animated gif

I've assembled a gif using gnuplot, however I want the first frame to be still for a few seconds before the graphic starts animating. How can I edit the delay of the first frame of the gif?
0
votes
0answers
107 views

Missing commands in gnuplot history

I came upon a very annoying bug in gnuplot. I often plot data files by e.g. p "my_datafile.dat" I use this command quite frequently. So I will have a lot of entries with this very command in my ...