{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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3
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1answer
70 views

pgf stacked bar plot not displayed correctly - wrong intersection with x-axis

I'm trying to generate a bar plot with the code below. As you can see does the bar plot not start at zero, as it should. It starts below zero!!! Can anybody help me? ...
3
votes
1answer
120 views

TeXStudio: Why can't pgfplots open gnuplot output anymore?

Here's the minimum not working example: \documentclass{article} \usepackage{tikz} \usepackage{pgfplots} \pgfplotsset{compat=1.11} \begin{document} \begin{tikzpicture} \begin{axis}[ ...
3
votes
1answer
104 views

use absolute coordinate axis in pgfplot automatically

I want pgfplot add a grid with absolute coordinate automatically, for example, below image original pdf is 1.17x1.19in, so I want x is (0,1.17in) and y is (0,1.19in). Now I hardcode it to Nx/Ny, can ...
3
votes
1answer
151 views

How to pass a function defined in sagetex to pgfplots

Is there any way to pass a function defined in sagtex to pgfplots for plotting? See the following example. \documentclass{article} \usepackage{pgfplots} \usepackage{sagetex} \begin{document} ...
3
votes
1answer
140 views

How to set intervals for step-like plot (`const plot`) in pgfplots?

How do I set the precise intervals that pgfplots should consider when performing addplot with the option const plot mark mid? For example: \documentclass{article} \usepackage{pgfplots} ...
3
votes
1answer
182 views

Pgfplots: 3D plot with shader=interp and opacity

I have a rather simple question : is there a way to use shader=interp with an opacity factor in a surf mesh ? Here is an example that does not work: \documentclass{standalone} \usepackage{pgfplots} ...
3
votes
1answer
166 views

Labeling only one tick mark but having other tick marks on x-axis

The code provided has pgfplots mark 5 tick marks on the x-axis (at increments of 5 starting at 5). I would like to have only one extra tick mark labeled - the one at 2. \documentclass[10pt]{amsart} ...
3
votes
1answer
183 views

pgfplot: centering the axis above the caption without trimming axes

is there a stable way to center the axis (without the axis label) above a figure caption without trimming the axis with \begin{tikzpicture}[trim axis left, trim axis right] ? Trimming the axis ...
3
votes
1answer
106 views

more precision on the barplot pgfplots

I would like to change the graph to show the 14.047 is less than 15, more decimal precision \documentclass[12pt,a4paper,onecolumn, openright]{report} \usepackage{xcolor} \usepackage{pgfplots} ...
3
votes
1answer
219 views

Very fancy bar chart

Just wonder if this could be done with tikz? I know I should provide at least a MWE, but I am new to latex and have absolutely no idea where to start. MWE (Addition by HK) ...
3
votes
1answer
109 views

pgfplots - How to enlarge a plot when the nodes' coordinates are on/over the edge?

I am creating a groupplot (at least intend to) with a width 4cm for each plot. As I'd like to have the values shown via nodes near coords, this proves problematic because I can't figure out how to ...
3
votes
1answer
151 views

How to have different colormaps for different columns in the same Heatmaps table using pgfplots

I want to make a heatmap using different colors for only two columns in a heatmap. I was able to do it using two different pgfplotstables, i.e, two different heatmaps. But, i wan't to know whether ...
3
votes
1answer
193 views

Location and size of pgf plot axis in a tikzpicture - with tikz positioning library?

This could be a second part to Positioning pgfplots axis in tikzpicture , I guess ; consider the following MWE: \documentclass{standalone} \usepackage{pgfplots} \usetikzlibrary{positioning} ...
3
votes
1answer
197 views

PGF stacked bar graph not drawn correctly

I am having problem with the following code which is supposed to produce a simple stacked graph. \documentclass[tikz,border=2pt]{standalone} \usepackage{pgfplots} \usepackage{tikz} \begin{document} ...
3
votes
1answer
135 views

Wrong linear regression computing

I've just started to use pgfplot and I'm actually trying to get the equation from a plot, with the linear regression. However, I'm working in a loglog plot, and the resulting regression equation is ...
3
votes
1answer
299 views

pgfplots legend to name not working

I would like to use legend to name feature to display legend externally. I have two graphs inside a tikz picture which comes from this question. Here is the code tha to tried to modify and make the ...
3
votes
1answer
76 views

pgfplots: adds “-indexX” to duplicate columns when pulling column name by \pgfplotstablegetcolumnnamebyindex

I am making graphs from a huge CSV with a macro hacked from http://tex.stackexchange.com/a/45125 and http://tex.stackexchange.com/a/24023 Which selects start/end column and adds them etc. But ...
3
votes
1answer
207 views

Simple pendulum phase space plot with pgfplots: looking for a clever parameterization

I want to produce a nice phase space plot of the simple pendulum for a course I'm teaching. Essentially, this boils down to plotting y^2/2 = cos(x) + e for different values of e (the energy). If I ...
3
votes
1answer
190 views

pgfplots in beamer class with BaKoMa TeX

I have a problem concerning plotting of functions in beamer class with pgfplots. I use BaKoMa TeX. In the article class, all works fine, but switching to beamer, an error occurs as soon as ...
3
votes
1answer
126 views

How to save a list as a macro for pgfplots

I want to create and store a list then use that list in a pgfplots scatterplot. My attempt is \documentclass{standalone} \usepackage{pgfplots} \begin{document} \newcommand{\listA}{ (1,2) (2,3) ...
3
votes
1answer
274 views

pgfplots - divide y-axis in 2 parts

I have a plot, code here. Now the problem I have is that because of the scale of y-axis it looks as if the plots are actually just 3 lines. Now what I want is that the y-axis is sort of splitted. Into ...
3
votes
1answer
440 views

Scaling graph along x axis

I am trying to plot a symple graph with pgfplots but the numbers do not seem to appear right. Is it possible to somehow scale the left part of the graph? I would also like the numbers on the x axis ...
3
votes
1answer
294 views

pgfplots - box plots min and max x-values

Im using the following code from pgfplots to create box plots: \begin{tikzpicture} \begin{axis} [ ytick={1}, yticklabels={}, y=0.7cm ] \addplot+[boxplot] table[row sep=\\, ...
3
votes
1answer
173 views

How can I get titles on the top of grouped bars?

I have a bar plot with grouped bars. Each group should contain the total sum on top of the group. Example: My example has two problems: The x-position is estimated The y-psition (height) depends ...
3
votes
1answer
264 views

Cant scale x-Axis to textwidth

I want to plot some measured values. The y-axis contains the the voltage and the x-axis time stamps. I used matlab2tikz to create this plot: If I want to plot the graph, the x-axis is not scaled to ...
3
votes
1answer
957 views

Strange behavior in smooth pgfplot with sudden changes in the slope

I'm trying to plot some points with sudden changes in the slope. But I get some strange behavior like this: as you can see in the peaks, there is no smoothness in there. However, I think the ...
3
votes
1answer
358 views

pgfplots ycomb width

Is there a simple way to control the width\thickness of the strokes in the ycomb/xcomb commands proposed in pgfplots? Or should I dive into the source code to clarify?
3
votes
0answers
54 views

Pgfplots Boxplots with a thick line at the mean value

pgfplot produces nice looking plots, that have consistent look and feel. But sometimes you have a good reason to change that look, and I found it tricky to change style of an specific line, circle, ...
3
votes
0answers
34 views

number of samples for a function plot not working with pgfplot [closed]

I need to plot representations of the delta function on the same axis. \begin{tikzpicture} \begin{axis}[ xlabel=$x$, ...
3
votes
0answers
88 views

Drawing Cross Sections of (Contours over) Torus

I have this simple torus \begin{figure} \begin{center} \begin{pspicture}(-6,-4)(6,4) \psset{viewpoint=30 10 25 rtp2xyz,Decran=30,lightsrc=viewpoint} \psSolid[object=tore,r1=2.5,r0=1.0,ngrid=36 ...
3
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0answers
60 views

How to label areas in pgfplots fillbetween library

Is there any simple way put a label say $A$ roughly at the "center" of an area created by the pgfplots fillbetween library? Take for example the following example: \documentclass[tikz]{standalone} ...
3
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0answers
56 views

PGFPLOTS Graph with many x values for the same y label

I am trying to create a diagram with PGFPLOTS like this: This is my data file: SN STAR PLANET R RU RL 1 51 Peg b 0.0521068 0.000868447 0.000868447 2 55 Cnc b 0.113377 ...
3
votes
0answers
51 views

pgfplot - how to make horizontal error bars

Hello I would like to add horizontal error bars to my plot, that's picture is below. There is code of my plot \begin{tikzpicture}[thick,scale=1, every node/.style={transform shape},trim axis left, ...
3
votes
0answers
55 views

Pgfplots and histogram with heterogeneous values [duplicate]

I've got to plot an histogram with pgfplots where a single x value assumes a large value on the y-axis (14000) while the remaining data are all under 150... I'd like some suggestions on how to handle ...
3
votes
0answers
25 views

pgfplots stacked bar plots with too little space for some “nodes near coords” [duplicate]

When creating stacked bar charts with pgfplots, how can I avoid printing those (and only those) "nodes near coords" if there is too little space? The following MWE illustrates the problem: ...
3
votes
0answers
120 views

Automatically positioning a legend relative to multiple plots in groupplots

This question deals with centered legend placement in a set of plots aligned with groupplots. However, as the OP stated in a comment, the (accepted) solution requires some hand tweaking. I suspect ...
3
votes
0answers
115 views

Defining a function for later use in TikZ or pgfplots [closed]

Not sure what my problem is. I'm trying to define a function to later use in 3D plotting. As of now, I've tried to simplify the code as much as possible to find the error, so realize these are not the ...
3
votes
0answers
154 views

PGF: draw longitudinal arcs in 3D axis environment

I want to draw a sphere, similar to the first one here: http://www.texample.net/tikz/examples/map-projections/ But - of course - different. This is, what I did so far: The dashed lines are behind ...
3
votes
0answers
28 views

Parsing CSV with comma as decimal separator in pgfplots [duplicate]

How can I plot data from CSV file when comma is separator of decimal part? Part of my CSV file: U f(U) 0 6,12323399573677E-016 0,1257 1,2536924115 0,2514 2,4876019375 I've tried this trick but it ...
3
votes
0answers
209 views

TikZ binomial distribution plus Gaussian approximation

My intention is to draw the probability function of a binomial distribution with trials = 20 and probability = 0,4. Then i wanna add the curve of an approximate gaussian curve in the same plot. How ...
3
votes
0answers
77 views

PGFplots 3D: Axis labels are placed “in the middle” of axis instead at the tip

I would like to use the "center"-style for axis and place the label of the axis near the arrow tip. It works in 2D but in 3D the labels for the x and y axis are placed at very weird places. See the ...
3
votes
0answers
85 views

Custom column intervals in a PGFPlots histogram

Is is possible to give columns in a PGFPlots histogram custom interval of different sizes? Eg. I would like my histogram to have five columns over these intervals: [-100,-50[ [-50,0[ [0,1[ [1,50[ ...
3
votes
0answers
96 views

Compactifying histogram at empty tick values

I have the following histogram: \begin{tikzpicture} \begin{axis}[ x tick label style={ /pgf/number format/1000 sep=}, ylabel=Throughput, enlargelimits=0.15, legend style={at={(0.5,-0.15)}, ...
3
votes
1answer
199 views

Multiple plots with error bars

I want to plot two graphs with error bars from an external file. The data file contains the columns x, y1, y1+, y1-, y2, y2+, y2-, where y1+ etc. are the error bars for the corresponding y-values. ...
3
votes
0answers
133 views

How to draw the vectors from point to point

I have the file "gradmethod.dat" that contains the values ​​of the 3D coordinates: "gradmethod.dat" is 0.4166337995 -0.0003214561 0.1735863062 0.0036860331 0.0076438475 0.0014742969 ...
3
votes
0answers
81 views

pgfplot error bar in foreground

I would like to get the error-bar of the lower y-bar ontop of the stacked bar. Which command can I use to get the error bar to the foreground? Thank you in advance. ...
3
votes
0answers
239 views

\addplot table with input filename relative

I include plots using matlab2tikz to generate tikz-files. There was a nice feature added which enables external datasets. A file plot.tikz is generated with the following code (unnecessary code is ...
3
votes
0answers
137 views

Pgfplots: How do I make a style with consistent width while using `axis equal image=true`?

Workaround: If I set height very large, the width of the resulting plot is what I want and the resulting height is no more than it needs to be. In my case, I can set height=11in, which is the height ...
3
votes
0answers
96 views

Creating a tornado plot with pgf and force a break in one of the horizontal bars

To display a sensitivity analysis I want to produce a Tornado plot. In the plot a specific base case value is compared to the values produced after changing parameters in the model. I started from ...
3
votes
0answers
91 views

Part of specified graph is missing [duplicate]

I have the code to graph a rational function f(x)=(3x^{2}+5x)/(2x-3) with a vertical asymptote and a slant asymptote. The equation for the vertical asymptote is x=3/2. I decided to have two parts to ...