{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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2
votes
1answer
46 views

2 rows legend and alignment

I got a legend with two rows and I would like to have a different alignment on each row. Is it possible ? In my current code, the legend entries on the second line are much longer than ones on the ...
5
votes
1answer
95 views

Specify x and y in different coordinate systems in pgfplots similar to gnuplot

In gnuplot you can specify positions in several coordinate systems: First, Second, Graph, Screen, Character. What are the equivalents in pgfplots? I know the following: First : axis cs: Second : ...
2
votes
1answer
61 views

PGFPLOTS: How to merge 2 tables for histogram

I have a data set that I will plot across two pages. My initial strategy is to split the table in half. Read in the first table and plot, and so with the second. My problem with this is I do a summary ...
1
vote
0answers
58 views

How to put legend below the chart?

I have the following code that produces a line chart: \begin{figure}[p] \centering \begin{tikzpicture} \begin{axis}[ use units, cycle list name=exotic, %This defines the color. It ...
1
vote
0answers
48 views

how to change color at line chart?

I have the following code. \begin{figure}[p] \centering \begin{tikzpicture} \begin{axis}[ use units, width=15cm, height=8cm, % size of the image grid = major, ...
1
vote
0answers
28 views

\draw via \pgfplotstableforeachcolumnelement fails outside {axis} environment, but works inside?

Consider this MWE: \documentclass{article} \usepackage{pgfplots} \usepackage{pgfplotstable} \usetikzlibrary{calc} \pgfplotstableread[col sep=space,row sep=newline,header=true]{ ts val 0.0 0.0 1.0 ...
1
vote
1answer
50 views

Marking (resampling) a point on a pgfplots curve, interpolated from table data?

I was looking for this in the pgfplots manual, unfortunately the term "resample" is not mentioned, and "sample" hits the samples key, which refers to analytical functions, not to table data; so I ...
1
vote
1answer
34 views

after end axis messes up pgfplots axis position

Latex and Tikz are going to get the life out of me... I saw Need to do some changes to pgfplots axis #39099, and that example was working fine for me; so I modified it a bit, and came up with the ...
4
votes
1answer
71 views

Positioning of decorations on parallel lines

I'm displayed three lines on a pgfplot. I want to show a marker for the slope of each line and the difference in height between lines. I'm showing the slopes by adding triangles under the lines ...
6
votes
1answer
41 views

Min/Max of pgfplots@data@xmin and \pgfkeysvalueof{/pgfplots/xmin}

Following example does not work: \documentclass{standalone} \usepackage{pgfplots} \pgfplotsset{compat=1.10} \begin{document} \makeatletter \begin{tikzpicture} \begin{axis} \addplot coordinates ...
3
votes
1answer
52 views

pgfplots \closedcycle command inside \foreach returning error

The following code demonstrates the problem. It builds fine, but if I add the commented \closedcycle command, it won't build (undefined control sequence). \documentclass[tikz]{standalone} ...
4
votes
0answers
48 views

Display shifts in curve and slope with Pgfplots [duplicate]

I have the following MWE and would like to plot three lines on it, displaying the shift in height (and maybe the change in slope) between the second and third lines. \documentclass{article} ...
3
votes
0answers
76 views

Thick ticks are cut off [duplicate]

I want thick ticks but the 1st and last ticks are cut. It seems that the figure is cut exactly at axis boundaries so the thick ticks are cut off and look thiner than it others. Could someone tell me ...
3
votes
1answer
72 views

Polar pgfplots diagram adds additional whitespace with units library loaded

When doing polar plots in pgfplots (v1.10) I get additional whitespace when loading the units library. How can I get rid of that? I did not observe this before since it is related to the direction of ...
2
votes
0answers
67 views

How to draw stacked /vastellated bar charts

i want to draw a chart like this (Chart / Image taken from here): First of all: How is this type of diagram called? By searching "stacked bar chart" in google, I cannot find charts like this. My ...
3
votes
1answer
56 views

Data manipulation in contour maps (x/y-axis and contour label)

I am using contour maps in pgfplots as part of CAD as well as documentation. Serving both purposes I would like to improve the readability of my contour maps, by multiplying x- or y-axis times a ...
0
votes
1answer
46 views

How do I apply nodes near coords to a single bar / to a single plot?

After reading the pretty population pyramid question, I was inspired to "Tufte-ify" the graph to remove redunancy and clutter (and to become more familiar with pgfplots). I modified the code from ...
4
votes
1answer
52 views

Error cross-referencing when tikz mode is graphics if exist

I am getting the error "Undefined control sequence" when using \tikzset{external/mode=graphics if exists} and the label does not exist (It should produce a warning not an error, though because the ...
3
votes
1answer
72 views

pgfplots: Adding additional lines to a graph

I did an ANOVA with 4 tests. Result graph is shown here, original code comes from: TikZ: Replacing the values (labels) on x-axis with names \documentclass[12pt]{article} \usepackage{pgfplots} ...
5
votes
1answer
95 views

With PGFPlots: How to manually enter ticks as fractions?

We can display tick labels as fractions by setting: xticklabel style={/pgf/number format/frac} However, how can we manually enter the tick points as fractions? Just using xtick={0,2/3,1} does not ...
4
votes
1answer
79 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). ...
1
vote
0answers
38 views

Make a large heatmap with gaps and tables between

I am trying to make a large heatmap which looks like this with gaps and row or column names written in some of the cells. Empty cells are also present in the heat map. Can i make this using pgfplots? ...
3
votes
1answer
46 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 ...
2
votes
1answer
48 views

Pgfplots axis environment, loop for function works but not for plotting options

My question is related to this one, \foreach not behaving in axis environment , but the solution there does not work in my case and unlike the related question, the loop works well in the axis ...
2
votes
0answers
21 views

Passing changing (in a loop) parameters to Pgfplot function [duplicate]

Usually I just use TikZ for plots but was hoping Pgfplots would simplify life (axis, labels, etc...) but I can not find what is the right syntax to pass parameters to the function. Here is the MWE: ...
1
vote
0answers
94 views

Embedded axis Pgfplots

So I need to display data as follows: every day for a month I have a set of values obtained in different hours. I want the axis to contain the date but between a date an another I want to have the ...
3
votes
1answer
26 views

pgfplots@y@inverseveclength ->infty

I'm experiencing problems with pgfplots. The following piece of code was automatically generated by a piece of software I'm working on. \documentclass {standalone} \errorcontextlines 10000 ...
2
votes
0answers
57 views

pgfplots, representing bars from same category and series adjacently

I would like to represent the number of counts from specific cell types on a bar chart. The cells are from different mutants, consequently there are four series (742, 743, 744, 745). However there are ...
10
votes
2answers
290 views

How can I draw a pretty population pyramid graph with pgfplots?

I'm trying to plot a graph population pyramid. I wrote this MWE. \documentclass{article} \usepackage{pgfplots} \usepackage{pgfplotstable} \begin{document} \pgfplotstableread[col sep=comma]{ ...
9
votes
1answer
189 views

How can I fit the original data with exponential or polynomial functions via pgfplots?

I am trying to plot the following data with a curve fitting via pgfplots. It seems linear regression is not suitable for my case. So I would prefer to have exponential or polynomial curve fitting on ...
3
votes
2answers
56 views

Showing labels only at edge of grouped PGF plots

The options xlabels at and ylabels at in PGFplots' grouped plots library are supposed to show axis labels only at the corresponding sides of the complete set of plots, but they seem to have no effect. ...
0
votes
0answers
25 views

Change line to “dashed” without changing markers [duplicate]

I use pgfplots and I would like to have a dashed or dotted line that still has solid markers. When I use dashed, it also affects the markers. That looks weird, and I would like to have solid markers ...
2
votes
0answers
39 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} ...
0
votes
1answer
51 views

How can I minimize the distance between 2 values on the x-axis?

I am totally new to pgf plots... My plot looks like this right now: How can I minimize the distance between "EOD" und "LOD"? That is my code: \begin{axis}[height=6cm, ybar stacked, ...
2
votes
1answer
60 views

pgfplots: plot from csv file starting at a specified row

I do have a large csv file which contains more data than that what I actually want to plot. E.g. I have data starting from x=0, but I want to plot it starting from x=2, but still let the axis start at ...
2
votes
1answer
72 views

Pgfplot won't compile more than 6 curves on the same plot

I want to plot with pgfplots 12 curves on the same plot. The curves are given by 12 csv tables named "curve_01","curve_02" etc., about 3000 points each. To reduce computational time I reduce the ...
5
votes
1answer
48 views

with pgfplots gives an error when I restrict the range but not when I have an unrestricted range

The following example compiles fine for me: \documentclass{article} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \begin{axis}[axis lines=middle, %%ymax=10, ...
1
vote
0answers
47 views

how to draw a unfinished data point bar in pgfplots?

I want to present some experiment comparisons. One of the candidate (SHJ) takes too long to run. Could anyone give me some suggestions on how to present such data point in a bar chart? Thanks in ...
6
votes
1answer
56 views

pgfplots - How can I deactivate a global option locally, i.e., for one plot?

The code below works as intended and contains a solution to have zero lines (as provided by percusse here). It produces the following picture although the MWE produces an error. How can I ...
0
votes
0answers
50 views

How to draw linear inequalities in LaTeX [duplicate]

I want to draw the following inequalities in LaTeX. This set of inequalities define a region. I want to plot this set of inequalities. How can I do this? I want to achieve something like this. ...
2
votes
1answer
63 views

pgfplots: strange opacity in surf plot

I do have the following code to get a surf plot which gives me for some reason the 'backside' of the plot with full opacity. How can I change this behavior? Actually, I think this feature is very ...
2
votes
1answer
82 views

Logarithmic y-scale with zero bin value

I have some trouble with an histogram filling when I plot it with ymode=log. Here is a MWE \documentclass{standalone} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \begin{axis}[ ...
1
vote
1answer
136 views

Bars with same x index in stacked barplot

I'm reading data that is structured as an outer group (the x indices/rows) with different inner categories (multiple columns) that are composed of multiple values themselves again. The goal is to ...
0
votes
1answer
63 views

Colorbar for pgfplots contour plot

I have to draw a contour plot of a large dataset, so I use lualatex as compiler. This example also works with normal latex, i.e. latex+dvips+ps2pdf. It works fine in latex but for the large amount of ...
7
votes
1answer
223 views

pgfplots: Using Sans Serif Fonts for Numbers and Text (not Variables) in Figures and Diagrams

I want to use a sans serif font in figures and diagrams. This also applies to tables (related question). The normal text should remain roman (with serif). Here is the normal way one would try to ...
1
vote
0answers
49 views

Scaling inset plot relative to main plot axis length

I want to create a plot with a second, smaller plot as an inset. This is easy enough using the following code, where the widths of the plots are defined. However, I often use figures in several ...
11
votes
2answers
192 views

Double Smithchart with pgfplot

I'm trying to plot a smithchart, which has negative impedances, too. This is how far i got till now: \documentclass[]{standalone} \usepackage{tikz} \usepackage{pgfplots} ...
3
votes
2answers
79 views

Axis discontinuity + enlargelimits not showing axis correctly in pgfplots

I need to make a y-axis discontinuity, but I also need to configure enlargelimits=true. The problem is that the axis is not showing correctly, as the below picture show. If I set enlargelimits=false, ...
2
votes
2answers
92 views

y minor ticks not showing with pgfplots

I want some minor ticks on the y axis, but it doesn't work. I already tried minor y ticks num but it didn't help. Thank you in advance. \documentclass[11pt,a4paper,oneside ]{article} ...
2
votes
1answer
93 views

Axis tick options, ticks and labels inside axis area

I know the title can be misleading, but I don't know how to put it better. I will correct it when I get better proposals. I try drawing plots from external tables with pgfplots. Alas, the template I ...