{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.

learn more… | top users | synonyms

4
votes
1answer
234 views

Problem using atan in pgfplots

I'm trying to plot something using atan in pgfplots, but it always results in hundreds of errors. I'm using an example I found here: \documentclass{article} \usepackage{pgfplots} \begin{document} ...
3
votes
1answer
439 views

Pgfplots graphics tick label positioning issue with latex->dvi (but not with pdflatex->pdf)

I'm trying to plot an image file in a pdfplots axis. This is a minimal example (the files fig2a.eps and fig2a.png both contain the image that should be plotted): \documentclass{standalone} ...
2
votes
3answers
717 views

ybar stacked plot with negative coordinates

When using ybar stacked on a mix of positive and negative coordinates I cannot seem to find the answer I want. \begin{figure} \begin{tikzpicture} \begin{axis}[ybar stacked] ...
35
votes
3answers
2k 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. ...
27
votes
3answers
6k 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 ...
23
votes
2answers
6k views

Fill the area determined by two pgfplots graphs

I need to fill the region determined by two (Gaussian) curves and the right red line (the region is brushed in green in the figure below). I also wonder what is the best way to draw vertical line ...
19
votes
2answers
4k views

inset plot with pgfplots

I am using pgfplots to plot some data I have, and I wanted to generate a large plot with another plot inside of it, showing a zoom on a region of the large plot. I have noticed that when you do ...
10
votes
1answer
4k views

How to plot intervals and points in the real line?

I need to plot a series of sets of intervals (and points) in the real line. Intervals can be closed, left/right-open or open. (Open/closed ends are marked with empty/filled circles) and isolated ...
27
votes
2answers
7k views

TikZ: How to get a few smooth grid lines for surface plots

I want to produce smooth surface plots with smooth grid lines using TikZ/pgfplots. Usually, this can be achieved using e.g. [samples=100], but this also draws 100 grid lines. I basically want that ...
7
votes
1answer
2k views

Filter rows from a table

I have a large table that contains results for many instances, and I want to make separate tables and plots grouped by one (or more) field. In this minimal working example, I want to make a table and ...
27
votes
1answer
2k views

How to make pdfLaTeX multithreaded when `--shell-escape` is enabled?

I am using \write18 enabled (or --shell-escape) with externalization to compile a bunch of PGFplots. The first run takes much time, and I noticed that pdflatex only runs on one CPU core. Is there any ...
15
votes
1answer
2k views

Tikz: intersection of line and plane

I am struggling with drawing a plane and a intersecting line. I would like to have the line C,P',P in the image, disappear if it is "behind" the plane and have it reappear if it is not behind the ...
14
votes
1answer
3k views

geographic maps with TikZ/pgfplots

I have recently discovered pgfplots and I love it. I'm converting the figures from my thesis to pgfplots, or at least the ones I have made myself. One of my figures is a map that I created using the ...
11
votes
1answer
3k 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 ...
9
votes
1answer
1k views

Plot the probability density function of the gamma distribution

I want to draw gamma distribution with different shape and scale parameters. The following MWE displayed error. The error information is : Here is MWE: \documentclass[border=5mm]{standalone} ...
18
votes
1answer
13k views

pgfplots: Legends in multiple y-axis plot overlapping

I am trying to add a legend for two plots on two different y-axes, however they are overlapping each other and each one is being written in its own box. I would like for both of them to share a single ...
13
votes
2answers
3k views

Compiling a document with PGFplots processing only every x-th data point? [duplicate]

Possible Duplicate: How to select a finite number of samples from the file when plotting using pgfplot Compiling my document with many PGF Plots, each containing thousands of data points ...
24
votes
1answer
6k views

How can I make my pgfplots ylabel multiline?

My pgfplots ylabel text is too long and looks strange. Can I make it multiline?
16
votes
1answer
2k views

Surface of Revolution

how to draw using surface of revolution tikz or pgfplots? \documentclass{article} \usepackage{tikz,pgfplots} \begin{document} \begin{tikzpicture} \end{tikzpicture} \end{document} I am not able to ...
11
votes
2answers
2k views

How to maintain consistency with TikZ and Pgfplots?

I would like to maintain some consistency between TikZ and PGFplots, and have run into numerous difficulties. Here is an example of two of them: I would like to be able to use something similar to ...
10
votes
1answer
8k views

Grouped bar chart

I'm trying to construct a grouped bar chart and have three questions I can't seem to find the answer to: 1) How do I modify the spacings between the groups? Or at least make sure that no bars are ...
10
votes
2answers
2k views

Intersection of 2 surface plots in pgfplots

My question is pretty much a duplicate of this one. I'd like pgfplots to display the intersection between tho surface plots properly. Unfortunately, my function is quite different from the one in the ...
9
votes
2answers
3k views

pgfplots: how make axes go through origin?

For pgfplots, in all the 2D examples I've seen, and in the manual, the location of axes seems to be specified in terms of location within the plot box, i.e.,relative to top, bottom. How does one ...
9
votes
1answer
1k views

Plots with data coming from different files

Is it possible to draw a graph with pgfplots using data from different files ? Let say I have two data files : data.dat and error.dat and would like to plot column 1 versus column 0 from data.dat and ...
9
votes
1answer
1k views

Contour plot labeling applied to ordinary 2D plots

I was trying to obtain the effect that I manually created below,shown with the letter n. Now, I know that this is customary to do in contour plots, hence I've checked the manual and saw that it is ...
6
votes
1answer
3k views

2D surface on a 3D surface plot external data in a file

I am drawing a 3D surface from external data. Here they are: 0 0 -0.64 1 0 -0.5 2 0 -0.4 3 0 -0.31 4 0 -0.23 5 0 -0.2 6 0 -0.24 7 0 -0.32 8 0 -0.42 9 0 -0.59 10 0 -0.76 0 1 -0.54 1 1 -0.4 2 1 -0.27 ...
14
votes
1answer
3k views

Scaling colormaps with pgfplots

I have two surface plots, which I would like to have to same color for the same height. So, as the first plot is dark blue for f(x,y)=0, the right plot should also be dark blue for f(x,y)=0. However, ...
11
votes
2answers
1k views

pgfplots quadrics

I wonder whether it is possible to draw the three following quadric surfaces (cone, hyperboloids) x^2+y^2-z^2=0 x^2+y^2-z^2=1 x^2+y^2-z^2=-1 (and the axis) using pgfplots 3d or TikZ as it is ...
10
votes
1answer
1k views

How to have linked axes on plots?

I plot infrared spectra in many reports and I display the energy units in two ways, wavenumbers $cm^{-1}$ on the bottom x-axis and wavelength (nm) on the upper x-axis. The relationship is ...
9
votes
1answer
418 views

Sum up rows from different data files

I've a certain amount of inputfiles (.txt) for the final definition of the y-data of my axis environment. The x-data come from a different file. The goal is to sum up each row of the input files ...
8
votes
1answer
3k views

Different color for individual bar in bar chart & adding bar labels

Please consider the following MWE. There are three things I would like to do: Individual colouring For the last element ("not rejected") I would like to fill the bar with another color (e.g. ...
8
votes
3answers
2k views

Cut-off cone in TikZ

How would I draw the following cone using TikZ? I have no clue how to incorporate the "cut-off". I want to draw a picture of the cone given by the points (y, t) for y in R^d and t in (0, infty) such ...
7
votes
2answers
2k views

Draw sphere pgfplots with axis at center

I want to draw a plot that illustrates the ration pattern of an isotropic antenna. I thought about pgfplots to do the job. I grabbed the code from pgfplots manual and did some changes; but it doesn't ...
7
votes
2answers
951 views

2d graphs in a 3d plot [closed]

I am trying to create 3d plots with several 2d graphs, like in Plotting several 2d functions in a 3d graph. However the end result looks like this: Using \closedcycle doesn't help either, as it ...
7
votes
1answer
6k views

How to create a bar chart in which the y-axis is expressed in percents?

Suppose there is a chart like the following: This chart was created using the code: \documentclass{article} \usepackage{tikz} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} ...
7
votes
1answer
808 views

How can one predict pgfplots memory overload?

I have some legitimate data sets that overload the memory available to TeX. Of course the recommended step is to cut the number of data points instead of changing the "main memory size". (In my case ...
15
votes
1answer
2k views

Modified pattern does not see the pattern color option

I have modified the north east lines pattern to accept a \LineSpace option that sets the density of the pattern (see the question Can I control the density of a pattern in TikZ?). The code works very ...
12
votes
1answer
3k views

What “smooth” plot interpolation algorithm does pgfplots use?

In the pgfplots manual it says: \addplot+[smooth] Smooth plots interpolate smoothly between successive points. In order to choose the right sampling of points from a function evaluation for ...
11
votes
2answers
513 views

Visualize data on a variable-radius graph/network

I am trying to visualize the output from a simulation model I have been working with. The simulation finds the steady-state solution to a system of differential equations on a variable-radius (and ...
8
votes
5answers
2k views

How can I draw dirac deltas with arrow heads with pgfplots

I would like to draw this in pgfplots: I've tried this, but I can't figure out how to get the arrowheads. \documentclass{article} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} ...
7
votes
1answer
1k views

pgfplots: color a (3D) surf using arbitrary RGB colors

I would like to color a surf using arbitrary RGB colors (unlike this question, which just colors the surf using the colormap). In this minimal example (which plots the x+y function), I would like the ...
5
votes
1answer
737 views

TikZ Externalize: Referenced legends from PGFPlots are not included

The following MWE without TikZ externalization works. However, the legend at the bottom is lost with externalization. Since the \ref in this example does not refer to anything outside tikzpicture ...
4
votes
1answer
1k views

Put numbers in legend using pgf pie

I would like to have the numbers that are inside the pie chart to be in the legend. How can I make that happen? Here is the MWE: \documentclass{article} \usepackage{pgf-pie} \usepackage{tikz} ...
4
votes
1answer
2k views

edit x-y data from different files/tables

I've two one column data files (A.txt and B.txt). To plot them together first I load dataA with \pgfplotstableset{ create on use/dataA/.style={create col/copy column from table={A.txt}{0}} } Then I ...
4
votes
2answers
1k views

Enlarge limits by absolute value when using symbolic coordinates

How can I expand the x-axis by, say 1cm, in both directions in the following bar plot? \documentclass{article} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \begin{axis}[ybar,symbolic x ...
3
votes
1answer
1k views

Bar chart - Single colored bar

For the bar chart proposed, I would like to use different color for each single bar. How can I do this? \documentclass{article} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} ...
14
votes
2answers
881 views

Naming the nodes of `nodes near coords` for later use

I would like to use pgfplots command nodes near coords to get a list of named node ((no1), (no2), (no3) etc.) that I can use afterwards to draw some paths that I fail to construct with pgfplots only. ...
14
votes
4answers
2k views

Plot inverse function in pgfplots

pgfplots is not quite comfortable plotting sqrt(x) near x=0. The graphic can be improved by setting samples=2000 (not less), but this seems overkill to me. Is there a way to plot x as a function of ...
12
votes
3answers
519 views

PGFPlots: How to draw a label at a zero of a function?

Is there an easy method to construct a node (and hence a label) at a zero of a function, i.e. at the intersection of the function with the x-axis? The examples I found were somehow too complicated, ...
11
votes
2answers
1k views

pgfplots function x^(0.5) skipping first sample, sqrt is not

In the following example, you will see that the sample at (0,0) is not drawn using x^(0.5) (blue), with sqrt it is (green). How can you explain that? \documentclass{standalone} \usepackage{pgfplots} ...