{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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16
votes
1answer
2k views

Plotting Normal distribution in pgfplots

I'm trying to reproduce the following diagram in TikZ and pgfplots. My MWE with regenerated graph is below: \documentclass{standalone} \usepackage{pgfplots} \begin{document} ...
14
votes
1answer
11k 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 ...
16
votes
1answer
1k 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 ...
13
votes
1answer
1k views

3D Arrow Tips for TikZ/pgfplots

I really like the arrow tips shown in How to get rid of the viewer's (incorrect) axes in an Asymptote 3D graphics and am wondering how to produce this in pgfplots: I admit I have not tried ...
12
votes
2answers
2k 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 ...
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 ...
8
votes
2answers
2k 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 ...
6
votes
1answer
2k 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 ...
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 ...
11
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, ...
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
384 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 ...
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 ...
8
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 ...
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
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} ...
17
votes
2answers
8k views

How can I adjust the position of xlabel and ylabel with pgfplots?

I would like to have \sin x on top of the y-axis' arrow tip and x somewhere on the right of the x-axis' arrow tip. How can I achieve that? On top of that, I would like to know how I can tweak the ...
15
votes
1answer
1k 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 ...
14
votes
1answer
2k views

How to scale existing coordinates data in pgfplots?

I have a plot with its data, for example \documentclass[]{article} \usepackage[]{pgfplots} \begin{document} \begin{tikzpicture} \begin{axis}[] \addplot+[%multiply x data by a factor here, multiply y ...
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 ...
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
779 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. ...
11
votes
3answers
467 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
1answer
1k views

Extract the x/y part from a coordinate in pgfplots

How can I extract only the x or y part of a predefined coordinate? For instance, let's say we have \coordinate (A) at (1,2); And I want to use the x part of (A) like this \draw (x of A,3)--(0,0);
9
votes
2answers
687 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} ...
9
votes
1answer
2k views

Using ifthenelse in pgfmath

Following questions on constructing functions on the forum, I tried to build some myself. I can't seem to get the ifthenelse function in TikZ/PGF to work. Here is an example: ...
8
votes
2answers
543 views

half of a hyperbola

Only top portion of half my hyperbola is coming in correctly. The other half is doing something strange: \documentclass{article} \usepackage{tikz, pgf} \begin{document} \begin{center} ...
7
votes
2answers
5k views

How to save a figure produced by tikz save/export as JPG/PNG file

I have created various plots using pgfplots package for my thesis. Now I would export them in jpg or png format. Does it exist a way to achieve this porpouse?
5
votes
1answer
1k views

pgfplots import data from table with comma as decimal separator

I am trying to plot data from data files which are using the comma as decimal separator instead of a point (as is normal in SI style (French version): ...
5
votes
1answer
1k views

Is there any way to remove mesh lines completely in a pgfplots faceted 3d plot?

I can not seem to find the way to remove the lines in the surface mesh in a 3d faceted plot. I need a solution that does not use the "shader=interp" (i.e. gradient filling) so that the faces are ...
4
votes
1answer
214 views

Histogram with overlaying Gauss curve (pgfplots)

I am struggling to create a histogram with an overlaying normal (Gauss) curve using PGFplots. To be more specific, I want to recreate this SPSS plot: Creating the histogram using PGFplots is no ...
3
votes
1answer
661 views

font size scaling and node placement issues using pgfplots and tikzscale

From the tikzscale documentation I understand, that it is supposed to keep font sizes constant. However, this does not seem to apply to axis ticks or axis labels from pgfplots' axis environment. Also, ...
3
votes
1answer
688 views

Settting PGFplots axis environment options by means of \newcommand and {\newlength,\setlength}

Because I often use the same options for multiple axes in my LaTeX documents, I use the following code to simplify my life. \documentclass{article} \usepackage{pgfplots} ...
3
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 ...
10
votes
2answers
319 views

Gap between line and point in pgfplots, like pointintervalbox in gnuplot

I wondered if it is possible to create a scatter plot in pgfplots with a similar style as the "pointintervalbox" option in gnuplot, i.e. a plot with points and lines, but there is a gap between the ...
8
votes
1answer
546 views

Error when creating a surf plot with matlab2tikz

I'm using matlab2tikz to generate the tikz code for my figures. When compiling the document with the figure code as below, i get an error: Package pgfplots Error: No such element: ...
6
votes
1answer
526 views

Problem with external graphics and 3D pgfplots

I want to include an external graphics with pgfplots. I tried to follow the instructions of the manual (p45 et seq.) as carefully as possible. But the result is hoorible as hell. Here is the code I ...
6
votes
2answers
2k views

Force “axis on top” for plotmarks in pgfplots

The pgfplots manual says that axis on top=true won't affect the plot if using plotmarks as this usually doesn't make sense, which I agree with. However, in this case I'd prefer both the axis and tick ...
5
votes
2answers
467 views

pgfplots: Clipping Everything Outside a Specific Area

I want to add information to each column of a histogram. every node near coord is probably the best approach. It works well with bar plots but not with the histogram: \documentclass{article} ...
5
votes
1answer
277 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 ...
4
votes
1answer
188 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} ...
4
votes
1answer
696 views

How to specify a name path for the axis in PGFplots

When I use the {axis} environment, the axis are drawn automatically so I am not able to specify a name for them? I would like to be able to compute intersections with the axis as in Intersections in ...
4
votes
1answer
410 views

How to define a parameterized command to be consumable in \pgfmathdeclarefunction?

This is the solution to defining a piecewise function for pgfplots. However, I would like to be able to use a macro to define each of the pieces of the function. It is simple to do this if one is ...
3
votes
1answer
132 views

Pgfplots rounded corners and plot problem

I noticed something strange recently when trying to use rounded corners in pgfplots: it totally ruins the plot. See below without rounded corners: and then with rounded corners: Here is a ...
3
votes
1answer
330 views

! Dimension too large

I keep getting the error Dimension too large when i make my \Desktops{80} and my \DTUnits{20} however if I change my \DTUnits{14} it works, can someone help me please? ...
2
votes
1answer
249 views

Creating performance profiles

A performance profile is a kind of plot used in the optimization community; here below is an example from http://www.gamsworld.com/performance. For an introduction, see Section 22.4 of Higham and ...
2
votes
2answers
6k views

Install packages in texworks missing style files

So I am trying to install the pgfplots package in LaTeX on my Windows 7 machine. I usually did this by just running the LaTeX file with \usepackage{pgfplots}, and then the computer asks me if I want ...
24
votes
3answers
9k views

Aligning subplots in a pgfplots figure

I have the following figure (a very, very stripped down version of a figure I created using matlab2tikz) My problem is that the subplots are not aligned correctly due to the fact that the y axis ...