**18**

votes

**2**answers

14k 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

**1**answer

11k 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

**2**answers

7k 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

**1**answer

603 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

**1**answer

16k 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?

**5**

votes

**2**answers

560 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

**3**answers

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).

**4**

votes

**1**answer

11k 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 ...

**4**

votes

**1**answer

877 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 says:...

**4**

votes

**2**answers

983 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% /...

**4**

votes

**1**answer

1k views

### How to make gnuplots fullscreen?

How can I make gnuplot plot its plots in full-screen instead of a small window?

**3**

votes

**1**answer

747 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

**1**answer

6k 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

**2**answers

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: /usr/X11/...

**3**

votes

**1**answer

245 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

**1**answer

631 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

**2**answers

960 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

**1**answer

487 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, c-d,...

**2**

votes

**2**answers

13k 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 ...

**2**

votes

**2**answers

564 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

**2**answers

6k 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

**2**answers

219 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

**2**answers

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

**1**answer

58 views

### GNUPlot - Contour Plot Without Isolines?

I want to know how to do a contour plot of a 3D-dataset, but without the isolines. The closest to what I'm looking for that I've seen are heat maps, but that requires your data to be in the form of a ...

**2**

votes

**1**answer

678 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

**2**answers

337 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 ...

**2**

votes

**1**answer

3k views

**1**

vote

**2**answers

931 views

### Plotting function defined in a piecewise manner with Gnuplot

I’d like to plot some function f(x) where f(x) = x for 0 ≤ x ≤ a, and −2 otherwise. And I’d like to plot it on a graph with x axes between two arbitrary points.
How would I go about doing this with ...

**1**

vote

**2**answers

33 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 ...

**1**

vote

**1**answer

58 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 ...

**1**

vote

**1**answer

37 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

**1**answer

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' ...

**1**

vote

**1**answer

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.

**1**

vote

**1**answer

139 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

**1**answer

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 ...

**1**

vote

**1**answer

414 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

**1**answer

94 views

### Plot the area between two curves

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. ...

**1**

vote

**1**answer

33 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, ...

**1**

vote

**1**answer

35 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 (...

**1**

vote

**1**answer

16 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 ....

**1**

vote

**3**answers

205 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.
...

**1**

vote

**1**answer

187 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.
...

**1**

vote

**1**answer

248 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

**1**answer

46 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

**2**answers

233 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 ver....

**1**

vote

**1**answer

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

**1**answer

779 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

**0**answers

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

**2**answers

689 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

**2**answers

3k 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 ...