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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gnuplot abbreviation reference

Where are the gnuplot abbreviations specifically documented? For example:- the single letter "l" command. > help l gives a big list and does not identify what the single letter "L" command is ...
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9 views

Gnuplot colorbar. Control of numbers steps and format

I'm trying to create a chart using Gnuplot, as shown here: My questions about it: How to control the numbers of the colorbars in Gnuplot? I want to set the number for each 2 points. For example, ...
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2answers
18 views

Gnuplot - Fixing see-through 3D plot interpolation

In the picture below, you can see the lines through the interpolated surface. How can I prevent this from happening? I have produced the plot by the following commands ("data.txt" holds a set of ...
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16 views

Excel x axis with asci labels at non-equidistant points

Lets say I have data like this: Time step measurement 0:00:00 start 12.7 0:01:00 step1 25.3 0:10:12 step2 37.3 0:12:10 center 45.2 0:17:30 prelast 42.3 0:23:10 last 33.4 0:23:15 last2 ...
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1answer
14 views

How to plot column in unix in one line

I would like to plot a column of data output by a script in unix in just one line. For example, something like script | cut -f2 -d ',' | gnuplot ....
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1answer
34 views

how to get different offset in gnuplot labels

I found a very weird way to plot horizontal lines of discrete values with labels on the left or on the right of the lines I construct an input data file where: the values in the 1st column ...
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1answer
25 views

Plot a toroid with rectangular cross-section in 3D

Does anybody know how to plot with gnuplot in 3D the surface of a disk on the XY-plane with a certain thickness, and having a circular hole in the center and flat upper and lower surfaces at fixed z ...
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14 views

GNUPLOT: want to zoom but y-axis range was previously fixed: only x-axis is changing

The command I used to plot the graph included a setting of the y-axis and total freedom for the x-axis: [:][-10:10]. After the window opened, I wanted to make the y-axis range smaller. I tried this ...
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3answers
65 views

Execute gnuplot from cmd

I need to execute gnuplot from the Windows cmd, however, when I type in gnuplot, I get the error: “gnuplot” is not recognized as an internal or external command, operable program or batch file. ...
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2answers
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 ...
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2answers
322 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 ...
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2answers
119 views

How to plot data with lines and label in each point?

I have an archive "curva-l" with the data: 2.308E-05 5.397E-01 1.0E-09 2.318E-05 5.224E-01 1.0E-08 2.426E-05 5.029E-01 1.0E-07 4.012E-05 4.718E-01 1.0E-06 1.311E-04 ...
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1answer
114 views

Installing Cairo terminals in Gnuplot (Ubuntu)

I didn't find the "cairo" terminals installed with Gnuplot downloaded from the project site: they aren't listed after set terminal. How do I install it? I can't find any instructions on the internet. ...
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1answer
1k views

Wrap title in Gnuplot

It's all in the subject. I use a (long) line from the data file as a title, and Gnuplot doesn't wrap it. I don't know the contents of the line in advance, so I don't know how I can just insert a \n. ...
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1answer
52 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 ...
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1answer
219 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.
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1answer
1k 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 ...
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1answer
121 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 ...
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1answer
35 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 ...
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260 views

Merge two 2D functions to plot 3D graphic on Excel or gnuplot

I'm studying the emission of particles from a component. I get a nice curve of the variation of particles concentration C(t) on time (t) using Excel, starting from a dataset. I have also a curve of ...
2
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1answer
609 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 ...
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3answers
13k 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).
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1answer
43 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 ...
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1answer
230 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 ...
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100 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?
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1answer
4k 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' ...
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2answers
11k 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 ...
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1answer
15k 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?
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1answer
980 views

Gnuplot output cropped when changing aspect ratio regardless of terminal type

Gnuplot doesn't usually provide me with such problems, but when I set the aspect ratio manually, or with 'set size square' the top part of the plot is cut/cropped off. Doesn't matter if term is aqua, ...
3
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1answer
709 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 ...
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1answer
85 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. ...
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1answer
2k 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.
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1answer
394 views

Data comparison and plotting in gnuplot

The data that I have is in this format in the text file : #REY2_0 REY1_0 alpha1 alpha2 omega 100 200 (-0.1,0) (1,0) (0.94379237,-0.052310783) The list of values is quite long. ...
3
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2answers
922 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 ...
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2answers
226 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 ...
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1answer
390 views

gnuplot plot points connected by line, nearest point instead

I have a number of points out of a countour plot of a circle. Unfortunately the points are ordered by coordinate position. If I plot the data with "lines" as style data, gnuplot draws lines through my ...
6
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1answer
579 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 ...
4
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1answer
9k 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 ...
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2answers
2k 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 ...
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1answer
237 views

Any way to get AquaTerm to tile automatically from Gnuplot?

I know how to set the window size for Aquaterm from Gnuplot, but is there a way to get AquaTerm to tile multiple windows automatically, when writing commands in Gnuplot? (BTW, just a simple YES or NO ...
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1answer
456 views

Unable to plot png in gnuplot

i need to plot png files in gnuplot 4.6.3 and/or 4.6.4.I am unable to do so as set term does not list "png" as an option. system information is Linux masterx-Studio-1535 3.5.0-27-generic #46-Ubuntu ...
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1answer
1k views

gnuplot not working on ubuntu

My initial problem is that i am unable to find png as list of terminals in set term. So using the link http://askubuntu.com/questions/393882/png-terminal-in-gnuplot, I installed the gd library.And ...
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1answer
310 views

How to “clear” the plot when using streamed feedgnuplot?

I want to display a set of moving points. I try using feedgnuplot for this: $ feedgnuplot --domain --stream trigger 1 2 2 3 3 4 replot After that it shows 3 points. Now I want to update their ...
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1answer
287 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 ...
3
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1answer
594 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 ...
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1answer
769 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 ...
2
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2answers
543 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 ...
3
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1answer
476 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, ...
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1answer
397 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 ...
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1answer
86 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? ...