{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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41
votes
2answers
6k 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} ...
16
votes
2answers
6k 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 ...
28
votes
1answer
13k 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 ...
79
votes
4answers
36k 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 ...
35
votes
2answers
5k 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 ...
25
votes
2answers
4k 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 ...
15
votes
1answer
2k 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 ...
34
votes
3answers
10k 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 ...
48
votes
4answers
17k 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 ...
12
votes
1answer
2k 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 ...
50
votes
4answers
11k 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?
22
votes
1answer
6k 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 ...
8
votes
4answers
11k 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 ...
256
votes
2answers
32k 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 ...
26
votes
2answers
5k views

Axis with trigonometric labels in PGFPlots

How do I make the axis labels use multiples of \pi in PGFPlots?
9
votes
2answers
2k 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 ...
38
votes
3answers
15k 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... ...
39
votes
1answer
13k 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.
38
votes
2answers
6k 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.
13
votes
1answer
13k 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 ...
22
votes
4answers
2k 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 ...
21
votes
4answers
8k 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 ...
19
votes
1answer
4k 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 ...
13
votes
2answers
3k 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} ...
38
votes
1answer
3k 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 ...
29
votes
3answers
3k views

Is there an easy way of using line thickness as error indicator in a plot?

I have several curves/datasets (obtained from Monte Carlo simulations) with x-dependent y errors I would like to plot with the errors somehow indicated. Since each curve consists of quite a large ...
37
votes
2answers
18k 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" ...
13
votes
1answer
2k views

Creating Bezier surfaces using procedural graphics

Are there any package for LaTeX that can create Bezier surfaces? I mean a actual existing function that takes matrices as arguments and generates the surface, not a function written by myself.
9
votes
2answers
3k 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 ...
61
votes
6answers
4k 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, ...
40
votes
3answers
5k 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 ...
40
votes
2answers
16k views

Label plots in pgfplots without entering coordinates manually

I like to label my plots directly, i.e. without using a legend, but instead using a pin node. So far, I have added the labels with manually specified coordinates, which means trial-and-error for data ...
19
votes
3answers
6k 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 ...
18
votes
3answers
9k 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 ...
16
votes
1answer
3k views

Defining a Piecewise Function for PGFplots

I want to define a piecewise function q(x), and attempted to adapt the solution to this question on using pgfmathdeclarefunction to create a unit pulse function, and this works fine. However, when I ...
23
votes
2answers
5k views

Fill between two curves in pgfplots.

How to accomplish fill between two curves in pgfplots? For example, I have ... \addplot coordinates {(0,1) (1,1)}; \addplot file {something.dat}; ... and I would like to have filling between those ...
16
votes
2answers
2k views

Create x and y label which overlaps for multiple plots

I have a groupplot of 5x3. Now I want to be able to 'overlap', so to speak, the ylabel over all the plots vica versa for the xlabel. This enables me namely to make the groupplot smaller. Currently I ...
8
votes
2answers
7k views

tikz legend in caption

I have adapted a piece of code that I found on the Q&A forum multiple legends in pgfplots as follows in order to include the legend of a drawing directly into the caption: EDIT 1 ...
9
votes
3answers
1k views

PGFplots 3d: Creating a filled solid of revolution

I have searched through the internet for a solution, but since I'm not that skilled with pgfplots, I need your help. For several examples I want to draw solids of revolution, but filled ones. I ...
9
votes
1answer
2k 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). ...
9
votes
1answer
3k views

pgfplots: Multiple (shifted) stacked plots in one diagram

How can I get multiple stacked plots (ybar stacked, stack plots=y) in one diagram, such that there are multiple stacked bars for the same x-coordinate, each slightly shifted? Is there a way to reset ...
7
votes
2answers
414 views

How to emphasize within a listing two successive identifiers separated by a space?

I have this pgfplots code that I want to put in a lstlisting environment: \pgfplotsset{ every axis x label/.append style = { font = \small }, every axis y label/.append style = { ...
6
votes
3answers
2k views

Incorrect plot using Pgfplots

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} ...
20
votes
1answer
8k 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
5answers
3k views

Lower and upper Riemann sums

I am trying to create a few images for educational purposes. Therefore I need to be able to illustrate the area under various functions, using lower and upper riemann sums (rectangles) Reason for not ...
22
votes
2answers
21k 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} ...
30
votes
1answer
7k views

How can I adjust the horizontal spacing between legend entries in PGFPlots?

I am using legend columns=-1 to make a horizontal legend. However, the distance between the individual legend entries is too small for my taste. Is there a straightforward way to increase the ...
12
votes
1answer
4k views

Non-linear curve fitting with gnuplot

I am trying to use gnuplot with pgfplots in TexShop, following on from an example by Martin H in the comments here. I can get the data points in OK, and plot them but the fit (red line) does not seem ...
18
votes
5answers
1k views

Placing coloured rectangles on a plot, using points from the plot - Riemann Sums

October 31st Note: Below is the original question, but after some feedback I have progressed somewhat and posted an answer to demonstrate what I've learnt since. My answer presents an encapsulated ...
13
votes
2answers
3k views

How to access \xmin, \xmax, \ymin, \ymax from within PGFplots axis environment

In the MWE example below I have the values specified twice, but would prefer not to have to do that. Furthermore, it is possible to allow PGFplots to automatically select these end points so I would ...