TikZ is a higher-level drawing language built on top of the PGF graphics framework. For questions specifically about the PGF layer use {pgf-core} instead. Both tags are possible on the same question. The tag {diagrams} is also compatible with this tag.

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8
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2answers
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Nested foreach inside a TikZ matrix for both rows and columns

I'm trying to create a matrix using nested \foreach loops. I tried following the example I found in a previous question, but I keep getting errors. Here is the code I tried to run: \documentclass{...
7
votes
2answers
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How to Specify two level row and column labels of a matrix by braces?

I'm trying to write the following matrices. I used the following code (given by Caramdir) \documentclass{article} % Load TikZ \usepackage{tikz} \usetikzlibrary{matrix,decorations.pathreplacing,...
17
votes
1answer
817 views

Moving tiles of the pattern in TikZ

One of the problems with patterns is that you never know how individual tiles are going to be laid over the area. E.g. if you use star pattern, sometimes stars on the left side of the area shall be ...
80
votes
1answer
7k views

PowerPoint's “Smart Art” for TikZ?

This question led to a new package: smartdiagram I haven't been using PowerPoint for years, but today I immediately fell in love with its "Smart Art" feature (2010 version of PowerPoint). The idea ...
74
votes
3answers
5k views

Summary of Tikz commands

Many times, when I'm coding a tikz-picture, I don't remember the command syntax or the name of one option, and I have to look in pgf-manual is not very short. Does anybody has a summary of Tikz ...
104
votes
4answers
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How to draw a Sankey Diagram using TikZ

I would like to draw something similar to this (not exactly): using TikZ. Ideally I would be able to set the width by variables and rejoin two flows into one again. Is there a good way to do this? ...
62
votes
3answers
15k views

Outsourcing TikZ code

My Tex files get very confusing since I have multiple long TikZ code in them. How do you organize your files when it comes to TikZ?
93
votes
10answers
7k views

How can I draw an egg using TikZ?

I would like to draw an egg-format element, but I have only found ways of drawing ellipses.
62
votes
6answers
5k views

Filling specified area by random dots in TikZ

I want to reproduce the following diagram in Tikz. LaTeX code of my MWE is below: \documentclass[tikz]{standalone} \usepackage{pgfplots} \begin{document} \begin{tikzpicture} \draw [-latex, ...
40
votes
3answers
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Replicate the Fourier transform time-frequency domains correspondence illustration using TikZ

The following time-frequency correspondence illustration is in the wikipedia entry of the Fourier transform. Also a gif animation version (if the animation doesn't show, please open the following ...
36
votes
6answers
11k views

Why draw diagrams using LaTeX when there are open source tools like OpenOffice?

I was looking at recent questions here and was surprized that people were drawing diagrams in LaTeX, when it can be done in SmartDraw, OpenOffice or other programs. Is there any benefit to using LaTeX ...
26
votes
5answers
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Drawing stars/similar with Tikz

I'm writing a review for a book at the moment, and I thought I'd be clever and show off what LaTeX is capable of by adding a x-out-of-y stars graphic. Tikz can do many things so I would have thought ...
20
votes
4answers
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How to draw these (closed contours) diagrams using TikZ or PSTricks?

First, I must say I have no knowledge about PGF/TikZ nor PSTricks, but I would like to draw the following or similar closed contours using one of them or another adequate package. Where can I find the ...
36
votes
4answers
4k views

tikz: Distribute evenly and randomly circles

I want to fill a part of a picture with more or less evenly and randomly distributed circles which should not overlap. It would be okay if circles are only partly inside the shape. The density should ...
24
votes
2answers
6k views

Dotted lines in TikZ with round dots

Well, the title explains all, I guess. Sorry if this is too simple for all the TikZ gurus here: but I want a dash pattern like "dotted" for drawning but with round dots and not the little squares. How ...
19
votes
3answers
7k views

Image with axis

I need to plot some data in a file (10000 records of 2 points each one) but PGFPlots is very very slow rendering it. So I'm trying to use MatLab to plot the data, capture the image without axis and in ...
33
votes
1answer
2k views

Topological Quantum Field Theory diagrams with pstricks or tikz

This question led to a new package: tqft — Blog: The TQFT Package I'm going to write a brief note about topological quantum field theories, so I need to draw some copies of the "pair of pants"... ...
11
votes
2answers
2k views

Customizing chapter style with tikz

How can I customize chapter style like below picture? Thank you in advance.
28
votes
3answers
2k views

Properly aligning drawn lines between the corners of 2 rectangular nodes in TikZ?

When I draw a thick line from the corner of one box to the same corner of another, it doesn't attach properly. See the code and picture below: \documentclass[a4paper, 11pt]{article} \usepackage{...
20
votes
1answer
951 views

Code examples, like in the TikZ/PGF manual

I like very much the 'side-by-side' code examples in the TikZ/PGF manual... ... and I would like to use the same thing in a manual I'm writing. I have found the source code for the codeexample ...
25
votes
4answers
13k views

Is there a way to control whitespace around a TikZ picture?

When I draw a tikzpicture that includes paths, I get quite a bit of extra whitespace added around the elements of the picture. Depending on the elements the figure contains, this can work out in some ...
15
votes
2answers
1k views

Intersection of 2 lines not really connected in TikZ

In the code below I repeat one line (one with opacity=0 and other without it) in order to draw the intersection of 2 lines that are not connected. I am seeking a better way to achieve the same result. ...
20
votes
1answer
2k views

Tikz: Shading a path without any filling

How can I shade a path witout filling? In particular, I wand to draw a curved arrow that starts colored blue and ends colored green, where in between it gradually changes its color. I can't find a way ...
20
votes
4answers
1k views

How to draw a Catalan number diagram on TikZ

This is a very easy question, but I am a LaTeX newbie. Any idea how to code diagrams of this kind? Image taken from the Catalan number Wikipedia page.
21
votes
5answers
7k views

In TikZ, is it possible to nest nodes?

My use case: I am drawing chemical schemes. Each molecule contains several nodes. However, I also want to put each molecule into a "wrapper" node, so that I can use the usual anchors in combining ...
13
votes
2answers
1k views

Faded or blurred lines

My question was inspired by Rotate fading in tikz where the inquiror is drawing laser beams that shall look somewhat blurred not as lines but as boxes with a fading. The problem with this approach is ...
13
votes
1answer
1k views

Using beamer overlays with forest generated trees

I am using the forest package from Sašo Živanović in order to create a wide tree on a beamer slide. Previously, I was using qtree. But due to the easier way of arranging nodes automatically with ...
12
votes
1answer
1k views

Draw additional parallel paths in TikZ

How can parallel lines elegantly be added to an existing path? I am looking for a solution or hint to, how a general style can be made, that works with any path. Example path: \documentclass{article}...
23
votes
2answers
6k views

How can I compute the distance between two coordinates in TikZ?

Given two points (defined, for instance using nodes), I want to compute the distance between them. Is there some build in functionality in tikz to do this? If not, how can it be done using the ...
22
votes
2answers
2k views

Accessing the logic values of a TikZ coordinate

In TikZ accessing the coordinate values of a node can be done using the let syntax of the calc library or using the PGF command \pgfpointanchor. However, this values are dimensions/lengths in points ...
12
votes
3answers
785 views

Macro to access a specific member of a list

I want to be able to have a macro access a specific element of a list. The following code works, however requires me to have two separate macros: one that accepts a list, and the other that accepts ...
10
votes
2answers
3k views

Centering a TikZ picture around an area

I often find myself in the following situation: A tikzpicture of mine consists of a main area and some outer material like text labels which are hardly symmetric around the main area. If such a ...
8
votes
1answer
1k views

How to redefine \lstinline to automatically highlight or draw frames around all inline code snippets?

How to redefine \lstinline to automatically highlight or draw frames around all inline code snippets? E.g. using \bh and \eh commands from Highlight text in code listing while also keeping syntax ...
13
votes
1answer
952 views

How to vertically center the \vdots in this node?

I'd like the \vdots in this chain to have the same distance to both of the arrows. I know that I could manually shift the node so that it looks right, but there must be a better solution. How? \...
13
votes
1answer
406 views

Error with hobbyconvexpath

The hobby examples given on TEX.SX don't seem to be working with texlive 2013 (at least for me. For example, copying an MWE produces an error: \documentclass[tikz,border=2bp]{standalone} \...
13
votes
1answer
562 views

How can I use an hbox inside a TikZ environment for text dimension measurement?

I'm trying to use an \hbox to measure the dimensions of a certain text. This is working in normal text as in the following example: \setbox37=\hbox{this is a text that I want to measure} text width ...
12
votes
1answer
5k views

Squiggly arrows in tikz

Is it possible to get a path in tikz that looks like \rightsquigarrow?
12
votes
1answer
4k views

spiral spring in tikz

I'm aware of the possibility to easily draw linear springs with tikz but what about spiral springs (torsion)? It looks like there is nothing ready and a long journey in pgf is necessary. I could ...
16
votes
1answer
833 views

How to fix TikZ corners in 3D

Am trying to draw a simple rectangle and there seems to be minor issue with two of the endpoints (f and d in the following). I tried line cap=rect as suggested by Bad intersection of lines in TikZ but ...
13
votes
1answer
1k views

Foreach inside a TikZ matrix

Consider this MWE: \documentclass{article} \usepackage{tikz} \usetikzlibrary{matrix} \begin{document} \begin{tikzpicture} \matrix [matrix of nodes] { a \\ b \\ c \\ }; \end{tikzpicture} \end{...
8
votes
1answer
799 views

not implies, not Leftarrow, description in the middle of an arrow in TikZ-cd

Is there a way to put $\nLeftarrow$ instead of some arrows in TikZ? Specifically, how do I change it to "B does not imply A" in the following code. \documentclass{article} \usepackage{tikz-cd} \begin{...
7
votes
2answers
417 views

How to emphasize within a listing two successive identifiers separated by a space?

I have this pgfplots code that I want to put in a lstlisting environment: \pgfplotsset{ every axis x label/.append style = { font = \small }, every axis y label/.append style = { ...
4
votes
1answer
788 views

How to draw a vertical line at a specified date in a Gantt chart?

I want to add a command to pgfgantt package that draw vertical line at a specified date (like the one for the today line). Here's what' I want to get (green line) : So I looked to pgfgantt.sty to ...
12
votes
2answers
2k views

Tikz and babel error

This code works correctly: \documentclass{article} \usepackage{tikz} \usetikzlibrary{positioning,calc} \begin{document} \begin{tikzpicture} \tikzset{ every picture/.prefix style={ ...
6
votes
2answers
3k views

Drawing network protocols

I want to produce network protocols, a very simplified example of which is depicted below: The protocol has two parties, each of which does some computation and then communicated with the other. I ...
49
votes
2answers
3k views

Text spirals with TikZ

I just ran across this, and I'm curious about whether it can be replicated in TeX... Ideally one would have the spiral getting tighter and tighter as one got to the centre, as in I know TikZ has ...
44
votes
4answers
13k views

Draw mechanical springs in TikZ

Currently I am using the following path style to draw springs in TikZ \tikzstyle{spring}=[thick,decorate,decoration={zigzag,pre length=0.1cm,post length=0.1cm,segment length=6}] for example \...
28
votes
1answer
12k views

Positioning relative to page in TikZ

Consider the following: Let's say I have a dot. I would like to be able to position this dot anywhere on the page: at the corner, in the middle, anywhere. So far, despite poring over manuals and ...
40
votes
4answers
7k views

How can I draw an arc from point A -> B on a 3D sphere in TikZ?

I'm basing myself on http://www.texample.net/tikz/examples/spherical-and-cartesian-grids/ and now I need to add a arc from point P to Q. What I was able to get so far: \begin{tikzpicture}[scale=1,...
16
votes
1answer
3k views

Headers and page numbers in external borders

I am trying to recreate in *TeX the same aspect that you can see in the following picture showing a document that I created a while ago with MS Publisher. As you can see, page numbers are rendered ...