**14**

votes

**2**answers

9k 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

7k 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

5k 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

333 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

**2**answers

468 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

**1**answer

532 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

**2**answers

643 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

**3**answers

8k 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

**1**answer

10k 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?

**3**

votes

**1**answer

474 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

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

**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: ...

**3**

votes

**1**answer

46 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

333 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

624 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

313 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

**1**answer

2k 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

**2**answers

371 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

149 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

**1**answer

975 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

2k views

**2**

votes

**1**answer

779 views

### How to make gnuplots fullscreen?

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

**1**

vote

**2**answers

3k 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

**2**answers

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?

**1**

vote

**1**answer

1k 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

258 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

9 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

**0**answers

35 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 ...

**1**

vote

**1**answer

331 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

**2**answers

165 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

**0**answers

178 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

**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

716 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

480 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

905 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

**1**answer

448 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

**1**answer

110 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

**1**answer

77 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

**1**answer

900 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

**1**answer

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

**1**answer

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

**0**answers

5 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 ...

**0**

votes

**0**answers

18 views

### Gnuplot with xterm in yosemite

I installed gnuplot on my yosemite system using brew. When I try to plot cos(x) the way I would on ubuntu, I get this:
gnuplot> plot cos(x)
WARNING: Plotting with an 'unknown' terminal.
No output ...

**0**

votes

**0**answers

22 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

**0**answers

37 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

**0**answers

60 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 ...

**0**

votes

**0**answers

44 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 ...

**0**

votes

**1**answer

123 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. ...

**0**

votes

**0**answers

133 views

### merge two functions to plot 3D graphic on Excel or gnuplot

I study 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.
I have also a curve of the variation of particles ...