Questions tagged [pgfplots]

{pgfplots} is a package for creating 2D and 3D plots of mathematical functions and numerical data, using the PGF graphics framework. For questions about the inbuilt plotting functionality of TikZ/PGF, use {tikz-pgf} instead.

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66
votes
2answers
17k views

Axis break in pgfplots

Is there an easy way to 'break' the axis in a pgfplots environment? What I'm talking about is something like this Any minimal plot will do as an example...for example \documentclass{minimal} \...
20
votes
2answers
11k views

Using a pgfplots-style legend in a plain-old tikzpicture

I am using a plain-old tikzpicture to produce a pie-chart-like plot. Now, all other plots in my paper are handled using pgfplots (which doesn't do pie charts) and have their legend typeset by pgfplots....
51
votes
1answer
26k views

How do you remove the axis multiplier?

A chart with data in the range of 200,000 and small difference between max and min values, will be assigned a 10^5 multiplier to the entire axis. This results in the ticks becoming meaningless, since ...
131
votes
8answers
99k views

How to expand TeX's “main memory size”? (pgfplots memory overload)

I'm compiling one pretty simple LaTeX file with few dozen of pgfplots. Now, I can compile part by part, but am unable to compile it all at once. I really need good precision for all those plots (noise ...
44
votes
3answers
11k views

Drawing heatmaps using TikZ

Introduction I want to create a heatmap using TikZ. You can see the basic idea in the picture below: I basically have a table of values and each value is assigned a color. The picture is the result ...
32
votes
3answers
6k views

PGFplots foreach equivalent to TikZ's with multiple variables separated by a slash

I like TikZ's capability to traverse multiple variables separated by a slash in the foreach (as in the example below). I am looking for something equivalent in PGFplots? I saw in the documentation ...
30
votes
2answers
6k views

\foreach not behaving in axis environment

Am hesitant to ask yet one more embarrassing question, but I can't seem to see the problem with the \foreach in the MWE. It should produce several horizontal lines but only produces the one with the ...
39
votes
4answers
15k views

Axis with trigonometric labels in PGFPlots

How do I make the axis labels use multiples of \pi in PGFPlots?
28
votes
4answers
44k views

Pgfplots: how to fill bounded area under a curve using addplot and fill?

I am looking shade the bounded area under the graph of f(x)=x^2 from 0 to 1. For my other plots I was fine using the shading with coordinates because they were all polygons. I've come across a bunch ...
326
votes
4answers
44k views

Create xkcd style diagram in TeX

The unique style of the diagrams at xkcd has an informative but nice hand-drawn touch. I guess they are actually drawn by hand but just recently on our partner site for Mathematica someone asked how ...
62
votes
7answers
22k views

3-dimensional histogram in pgfplots

I have a simple 3d histogram which I want to import into pgfplots, e.g. using matlab2tikz or by hand. PGFplots does not offer 3d histograms. Is there an easy way to do this?
50
votes
3answers
29k views

Pgfplots: how to fill the area under a curve with oblique lines (hatching) as a pattern?

I want to hatch the area under a curve (graph of a function) with oblique lines on an interval (to illustrate the function's integral on that interval). This can be done elegantly in gnuplot... ......
19
votes
1answer
5k views

Is it possible to change the color of a single bar when the bar plot is based on symbolic values?

I am beginner in LaTeX, trying to use it for industrial documents. I wonder if there is a way to change the color of only one bar of the plot below, ie "TestDetails", to illustrate it is a local macro ...
18
votes
1answer
5k views

Intersections in PGFplots

I can get intersections to work in TikZ, but not PGF plots. I defined a command to show the intersections to make sure that it is identical in both cases. Commenting out the \ShowIntersection line in ...
64
votes
4answers
38k views

pgfplots: how can I scale to text width?

This question led to a new package: tikzscale When I try to scale a plot with: width=\textwidth there is some horizontal space between the start/end of the plot and the start/end of the margins, ...
41
votes
3answers
17k views

How can I add a zero line to a plot?

I frequently need to draw a horizontal or vertical line passing through the axis origin that spans the entire width or height of my plot area. I don't want to use axis lines=middle, because the tick ...
28
votes
1answer
9k views

pgfplots: Placing node on a specific x-position

I'm trying to put some arrows on the left and right side of the maximum of a curve. The arrows should point along the curve. My problem is that if I use the [pos=X] notation I don't know where I am in ...
59
votes
2answers
46k views

number format in pgfplots axis

How can I change the type of the decimal/thousand separator from the american one to the european one? More precisely, I want: "1000" to be written as is, instead of "1,000" "0,1" instead of "0.1"
26
votes
1answer
13k views

How to plot the first n rows of a table using pgfplots?

When using pgfplots, is there a way to plot only the first n rows of a given table ? Considering the following MWE file: \documentclass[tikz]{standalone} \usepackage{tikz} \usepackage{pgfplots} \...
86
votes
6answers
12k views

Filling specified area by random dots in TikZ

I want to reproduce the following diagram in Tikz. LaTeX code of my MWE is below: \documentclass[tikz]{standalone} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \draw [-latex, thick] ...
37
votes
4answers
11k views

Differential Equation direction plot with pgfplots

In earlier thread Jake provided some code whom successfully draws the following differential equations in the range [0; 1] dy/dx=2*x dy/dx=x*sqrt(x) See: How to draw slope fields with all the ...
49
votes
1answer
25k views

Bell Curve/Gaussian Function/Normal Distribution in TikZ/PGF

Can anyone tell me how to plot a gaussian function/bell curve using TikZ/PGF? I'm basically looking to implement something like PSTricks's \psGauss command.
35
votes
3answers
12k views

How to design a 3D donut pie chart with pgf-plot?

It seems that pgfplots users don't like pie charts but sometimes we can't go without (for some reasons). So I was wondering if there was a way to make what is called a donut chart. For example one ...
25
votes
3answers
20k views

How to plot a surface from a set of data?

Disclaimer: I already read questions like 2D surface on a 3D surface plot external data in a file and 3D surface plots in TikZ but these did not solve my problem. I have this set of data: x y ...
12
votes
2answers
3k views

Using pgfplots, how do I arrange my data matrix for a surface plot so that each cell in the matrix is plotted as a square?

I have a matrix of size MxN and I want to make a surface plot directly from above so that each cell in the matrix is drawn as a square. None of the pgfplots shaders really do what I want, since they ...
12
votes
2answers
5k views

Center nodes near coords in a stacked ybar plot

I'm trying to center the node values, at the middle of each bar, in a stacked plot. However I can only put those nodes in the top of each bar. Is it possible to move those down? To the center of each ...
7
votes
3answers
3k views

Incorrect plot using pgfplots (trigonometric functions like cos, sin and tan)

I'm trying to plot a function with pgfplots for LaTeX. Unfortunately, pgfplots plots the function incorrectly. Here is the LaTeX code I use: \begin{figure}[H] \centering \begin{tikzpicture} \...
2
votes
1answer
178 views

Normalize by the i-th value of a series

I have a data.csv that looks like (note that there's no header) 0.0, 0.8, 0.5 0.5, 0.4, 0.7 1.0, 1.0, 0.4 that I want to plot using pgfplots. I want the plot to rescale the values in the 2nd (index ...
53
votes
4answers
79k views

How to plot data from a CSV file using tikz and csvsimple?

Here is a minimal example : \begin{filecontents*}{data.csv} a,b,c,d 1,4,5,1 2,3,1,5 3,5,6,1 4,1,4,9 5,3,4,7 \end{filecontents*} \documentclass{article} \usepackage[utf8]{inputenc} \usepackage{...
44
votes
1answer
6k views

Plotting several 2d functions in a 3d graph

I am trying to reproduce a similar figure to the following one. My first guess was to use pgfplots but I didn't find any example that I could use as a starting point. At the moment I am unsure if ...
19
votes
1answer
23k views

Legend in tikzpicture

I am looking for a way to create a legend in a regular tikzpicture. I found this Using a pgfplots-style legend in a plain-old tikzpicture but I don't know how to put the legend at the wanted ...
38
votes
4answers
21k views

Fill the area between two curves calculated by pgfplots

This is essentially the same question as fill the area between two curves when their coordinates are known. In that question, the curves were defined by known coordinates. I want to fill the area ...
30
votes
2answers
15k views

How can I change the font family in pgfplots?

I am using the classicthesis package in LyX to typeset my thesis. I have a plot produced with pgfplots. It uses math fonts same as elsewhere in the text, which is inconsistent with other plots of mine ...
20
votes
1answer
2k views

Tabs in output file written by xelatex and pdflatex are different

I'm trying out pgfplots with gnuplot to generate the data. This works by having pgfplots write some stuff to an external file, run gnuplot on the file, and then use the generated data to plot the ...
15
votes
3answers
4k views

Coordinates of intersections

In axis environment I have a curve and a line intersecting it. How can I get components of (intersection-1), (intersection-2) etc. in axis units? \documentclass{minimal} \usepackage{pgfplots} \...
19
votes
1answer
11k views

pgfplots using strings *from data table* as x axis labels in bar chart

I've seen some of the other threads on using strings as x axis labels, but nothing that fits my situation. I'm trying to create a bar chart from a CSV file. I can do it so long as everything in the ...
9
votes
1answer
7k views

addplot3[surf] creates lines instead of a surface

I have been trying to create a surface plot but I am unable to get it to work. Any help would be greatly appreciated. I've tried using surf which only produces lines instead of a surface (Fig. 1). ...
42
votes
3answers
3k views

Tufte like axis with pgfplots

How to achieve this kind of axis with pgfplot ? Image taken from Szymon Beczkowski's awesome PhD thesis design (thesis link) I may provide you with some data to play with. \documentclass{standalone} ...
42
votes
2answers
10k views

What is the clearest way to graph a piecewise function?

I have a function defined as: How can I graph that using functions instead of coordinates? I'm currently working with pgfplots but I'm open to something else if it's better.
25
votes
4answers
14k views

Image with axis

I need to plot some data in a file (10000 records of 2 points each one) but PGFPlots is very very slow rendering it. So I'm trying to use MatLab to plot the data, capture the image without axis and in ...
23
votes
1answer
12k views

Colors and legend in groupplots/barplot

In order to compare three items I use the groupplot command. For each item I have n different criteria to compare. Is it possible to set the color for each criteria itself? Meaning the first bar in ...
24
votes
2answers
4k views

Highlighting Extremal Values in Table

In a table generated by pgfplotstable, how can I highlight for each column or row the cell with the minimum value (e. g. displaying the corresponding entry in bold face)? Example:
14
votes
1answer
6k views

Using Labels from a File in PGFplot

I am using LaTeX, TikZ and PGFplot in order to automatically generate several series of diagrams, one of which is comprised of bar charts. Each bar in each bar chart may have a unique label and height ...
31
votes
1answer
39k views

pgfplots - number format on axis

How can I force pgfplots to draw my axis ticks labels consistently? I mean instead of 0 a 0.0, instead of 1 a 1.0 in the below image. EDIT: Code \documentclass[a4paper,10pt]{scrartcl} \...
24
votes
5answers
3k views

Draft mode for pgfplots

I'm working on a fairly big document that has a lot of graphs of functions- so far it has around 200, by the end it will have around 1500. I use pgfplots for each graphic, and the functions are pretty ...
22
votes
2answers
6k views

pgfplots: externalization and legend referencing

There are some issues when using the pgfplots option legend to name together with externalization. When I disable externalization, everything works fine. When I enable externalization, I get an error ...
45
votes
1answer
29k views

How to prevent pgfplots from using the 10^n notation for axis ticks [duplicate]

When creating a plot like this one \documentclass{article} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \begin{axis} \addplot coordinates { (...
24
votes
1answer
14k views

Dos and Don'ts of \pgfplotsset{compat=newest}

Question I just upgraded to 1.9. Christian recommends against the \pgfplotsset{compat=newest}, but that leaves one having to come back and update compat=x.y in one's projects, several times, over a ...
60
votes
4answers
12k views

Replicate the Fourier transform time-frequency domains correspondence illustration using TikZ

The following time-frequency correspondence illustration is in the wikipedia entry of the Fourier transform. Also a gif animation version (if the animation doesn't show, please open the following ...
36
votes
4answers
5k views

Draw somewhat random function

I am trying to reconstruct this image here I am not very happy with the code, as it uses hacking and adding white boxes and alike. My problem is now how do I draw the somewhat arbitary function in ...

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