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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171 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
294 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 ...
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1answer
87 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? ...
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1answer
987 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, ...
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1answer
2k 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
938 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: ...
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1answer
2k 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 ...
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2answers
54 views

Creating new data in a table and do a fit

I want to do the following: I have a data set following a Gaussian line shape, but there are some data which is strongly deviating. For the resulting fit these data points should not be included. So ...
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0answers
23 views

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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0answers
17 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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0answers
20 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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1answer
40 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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0answers
105 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
418 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. ...
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1answer
282 views

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

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 ...
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1answer
242 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
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
467 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
336 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
402 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 ...
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0answers
476 views

Trouble with Aquaterm on Mac OSX 10.7.4

I was working on a project in Octave with GNUPlot, and had no trouble with Aquaterm until i recently installed some software updates. Aquaterm has suddenly stopped working altogether and i can't ...
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1answer
2k views

Labeling values in a GNUplot heatmap

I am trying to generate a heat map using gnu plot. set title "Heat Map" plot '-' matrix with image 10 20 30 40 50 60 70 80 90 100 20 30 40 50 60 70 80 90 100 0 30 40 50 60 70 ...
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1answer
662 views

How do I divide two datasets in gnuplot?

I am using gnuplot and I have two seperate data files and I would like to divide every values of the x-axis from dataset 1 with every value of x-axis with dataset 2. The same with y-axis..How can I do ...
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2answers
917 views

Plotting functions with gnuplot over a larger range than the function is defined for

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