{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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1answer
207 views

Pgfplots: How to make the plot exceed the axes

I am plotting a spike using pgfplots. I want to make the y-axis until (4) only. However I want the plot of the spike itself to continue beyond the y-axis (say until 10). Is there a possible way to do ...
3
votes
1answer
312 views

How to plot data from multiple filters using pgfplots

I'm searching for a way to apply multiple filters to a data input and plot the result of each filter in one axis environment. I found the following question which applies one filter but uses the ...
3
votes
1answer
226 views

Problem with snake ticks in pgfplots for bell shaped normal distribution

I want to draw two sided created region for normal distribution (see figure below). I have issue with snake ticks proper alignment and area looks suspicious to me. Am I missing something here? Any ...
3
votes
1answer
567 views

Spacing bar between bars is too high in a bar plot with error bars [closed]

\documentclass{standalone} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \begin{axis}[ title = {ring enrich.}, ybar, width=10cm, xtick={1,2}, xticklabels={% before, after, }] ...
3
votes
1answer
508 views

Histogram fill with logarithmic scale

I face a "filling" problem when I run one of the pgfplots example but with y-log scale. Here is the MWE \documentclass{standalone} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} ...
3
votes
1answer
445 views

Problem with x filter when trying to filter points according to x value

I am trying to filter points according to its x values. The data may be from a table-formatted text file, or directly typed in coordinates{...}. I tried to use x filter/.code, but for data from text ...
3
votes
1answer
313 views

Bringing the parts of a bar chart closer

In the MWE below: \documentclass{report} \usepackage[left=2.5cm,right=2cm,top=2cm,bottom=2cm]{geometry} \usepackage[T1]{fontenc} \usepackage{tikz,pgf} \usepackage{pgfplots} \usepackage{slashbox} ...
3
votes
1answer
298 views

pgfplots discarding xtick coordinates

I'm creating a several graphs with pgfplots. The problem I'm coming across is that some graphs do not have a value for the last coordinate as per the example below (and I want to keep the ticks on ...
3
votes
1answer
2k views

Rescaling the colors in a colormap and the axes

I have cerated a file (workfile.dat) at the following format: <x1> >y1> <z> <x1> >y2> <z> <x1> >y3> <z> <x2> >y1> <z> ...
3
votes
1answer
829 views

pgfplots: shadow for markers

I was wondering if it's possible to add shadows to markers within pgfplots. I tried the circular drop shadow option (from TikZ) which unfortunately had no effect at all. I also read that one can ...
3
votes
1answer
402 views

Strange behavior y label in PGFplots

I've noted a strange behavior of PGFplots y label with the following code: \documentclass{report} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \begin{axis}[ compat = 1.3, no markers, ...
3
votes
1answer
28 views

Add nodes with pgfplots

I was trying to add nodes inside axis environment but nothing came out. I actually tried several ways... Any help is much appreciated. \documentclass[11 pt, a4paper]{article} ...
3
votes
2answers
68 views

Not able to plot a parabola

I am making a multiple choice problem. (Here, I display two of the choices.) I am trying to plot parabolas using pgfplots. Why is TikZ not compiling my code? I put a % in front of the parabolas ...
3
votes
1answer
24 views

pgfplots bar plot number format

I was just trying to compile some data into a bar chart using pgfplots. Things seem to work apart from the following: The annotation for the bars has low precision, i.e. only 3 decimals, it is shown ...
3
votes
1answer
42 views

Adding manually a grid to a .tikz file generated by matlab2tikz

I asked this question here Stackoverflow Now, I know of the existence of the problem with the conversion with the matlab2tikz script and the inclusion of a grid. GridProb How can I manually add a ...
3
votes
1answer
39 views

How to add one mark to one line in pdfplot

I am attempting to differentiate each line in the graph. Then I try to use marks, however it looks messy. Is there a way to make it looks more tidy? I am open to any suggestion that works. ...
3
votes
1answer
37 views

Changing global settings for makers doesn't work in pgfplots

Often I have documents where I need plots without makers. In this case I set globally a \pgfplotsset{ no markers } However if I have some special plots in the file which require (only) ...
3
votes
1answer
63 views

How to plot the maximum and the minimum

I am interested in drawing the minimum and the maximum of two variables, i.e. min(x,y) or max(x,y). The way I was going about doing it so far was to get the contour plots using gnuplot but my attempts ...
3
votes
1answer
72 views

How to integrate pgfplot inside a pre-existing tikz picture?

I'm trying to put together a pgfplot inside a pre-existing tikz picture. But somehow the axis I create with pfgplot has different units and I'm not sure how to make the two things fit. The code is: ...
3
votes
1answer
53 views

How to calculate “extra y ticks” value by function instead of giving a fixed value

The code is as follows: \documentclass[border=2pt]{standalone} \usepackage{pgfplots} \begin{document} \tikzset{ declare function={ func(\x)= \x*\x; } } \begin{tikzpicture} \def ...
3
votes
1answer
82 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
91 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
116 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
124 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
111 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
136 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
102 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
211 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
98 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
140 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
187 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
134 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
242 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
71 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
193 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
115 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
416 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
281 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
170 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
256 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
919 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
330 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
35 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
32 views

Making axes line up

I'm working on the following graphic: I would like the y axis of the plot in the upper right corner to line up exactly (i.e. have the ticks line up) with the x axis of the rotated plot to its left. ...
3
votes
0answers
54 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
23 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
91 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
110 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
180 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 ...