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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How to draw a coffee cup

Topologists need to explain that coffee cups are homeomorphic to donuts. There are nice ways to draw donuts. So far, my best attempt is \documentclass{standalone} \usepackage{tikz} ...
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5answers
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How to draw a sine wave on a circular path in tikz

I want to draw circular waves like these: in TikZ.
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6answers
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How to make the length of a car moving on a roller coaster track remain unchanged?

For any arbitrary parametric smooth curve, how can I make the length of a car remain unchanged? \documentclass[pstricks,border=12pt]{standalone} \usepackage{pst-plot,pst-node} \pstVerb { ...
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1answer
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How can we draw a 3D Christmas gift box, with TikZ?

In the spirit of How can we draw a Christmas tree with decorations, using TikZ? Can you draw a 3D Christmas gift box with as many details as possible(bow tie, elevated lid/bow, patterned wrapping ...
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How to draw a shaded sphere?

Andrew Stacey pointed out that the Rosetta Code entry "Draw a Sphere" doesn't have a TikZ entry yet. Is there a way to draw a "properly" shaded sphere using TikZ? The ball shading would seem an ...
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Define a variable in TikZ

I guess this is a very simple question, but I couldn't find the answer... How can I define a variable in TikZ? I want to have something like, for example: \draw[->] (x1,y1)--(x2,y2); Such that ...
32
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3answers
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Using math in TikZ

I know it has been asked and answered before, and I need to put { and } around it, but for some reason this doesn't work: \draw (0,0) -- ({atan(1)}:{sqrt(2)}); Any idea why?
32
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4answers
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Node shapes in TikZ

I want to draw a block diagram for a software app and I need two shapes which I couldn't find on the Internet. The shapes are a parallelogram and a rectangle with double side margins. One is for data ...
32
votes
1answer
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Transparent node with opaque text?

Is there a simple way to create a transparent node with opaque text? Preferably without having to use a postaction or redraw the node. In the example below I'd like to achieve the effect of the first ...
32
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2answers
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Milestone graphic in TikZ

This question led to a new project for a TikZ based solution: timeline The author of the original artwork has posted his METAPOST based library: blueprint How could I implement a ...
32
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1answer
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Custom and built in TikZ fill patterns

I can't find much information about creating TikZ fill patterns or even using the custom built-in patterns. Look to do all the common fills like lines, hatches, dots, stars, etc... I need to be able ...
32
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2answers
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Rounded corners on only one side of a TikZ node

How can I make rounded corners on one side of my node (only right, only left)? \documentclass{minimal} \usepackage{tikz} \begin{document} \begin{tikzpicture} \node [fill=gray, rounded ...
32
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How can I create new commands in TikZ?

I am new to the use of TikZ. I have been evaluating the TikZ-KTikZ combination, over the last 2 days, as an alternative to Xfig, which I have used for 17 years. I have managed to create a grid ...
32
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1answer
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How to draw a decorated rectangle with rounded corners?

As the title says, I was trying to draw a rectangle with rounded corners, and then decided it needed decorating. Well, the result looks awesome, but isn't really what I had in mind. a) What happened? ...
32
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1answer
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Creating thicker Tikz mindmap connectors

I'm running MiKTeX 2.9, on a Windows 7 machine. My pdflatex compilation log lists: pgf 2008/01/15 v2.10 (rcs-revision 1.12) I am using TikZ's mindmap library to draw some graphics and I quite ...
32
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1answer
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Helping cardinals elect the new Pope

Yes, we are talking about TeX and friends! Edit: I decided to move the background motivation to the end of the question, since it seems to be kind of off-topic in the TeX context. The following code ...
32
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1answer
848 views

PDF/A compatibility with TikZ

When a LaTeX document contains TikZ figures with color gradients, it seems that Acrobat Pro's preflight function can no longer convert the PDF to comply with the PDF/A-1b standard. For instance, the ...
32
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1answer
927 views

Making cards for Magic: The Gathering and similar card games

I'm creating cards for a card game. They will be similar to cards in Magic: The Gathering (left-hand image below). What I have is in the right-hand image below. The problem is that the code ...
31
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2answers
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Draw a bivariate normal distribution in TikZ

For a small class I want to draw a bivariate normal distribution and show where the means from the two variables meet in the space. Has anyone done this in TikZ?
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Generate Mandelbrot images using TikZ?

In my thesis that I'm writing on, I'm using a Mandelbrot generator to test an application I've written. To explain a certain problem discussed in the report an actual generated image need to be ...
31
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4answers
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Filling a complex region with TikZ

I'm trying to fill a complex region which is defined by six intersections of 4 hyperbolas. As you can see here: In particular I want to fill the region which is bounded and defined by the 6 points. ...
31
votes
3answers
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Tikz - How to Draw Boxes Around Set of Nodes

How to draw the boxes as shown in the attached image? I could only manage to draw the chart but could not highlight the desired node / nodes with a rectangle box. Preferably dotted. I could not draw ...
31
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3answers
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How can I draw a spiral that gets arbitrary close to a unit circle?

I would like to draw something like this: The circle in the center is not connected to the spiral, but the spiral gets arbitrary close to the circle. A problem why I can't draw this is that I ...
31
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5answers
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How to draw the region of inequality?

Everyone, I would like to draw the region \begin{align*} x_1 + x_2 &\ge 3 \\ 2x_1 - x_2 &\le 5 \\ -x_1 + 2x_2 &\le 3 \end{align*} Here is my code to draw the region of inequality: ...
31
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5answers
982 views

Using TikZ to depict intonation

I am looking into using TikZ to represent pitch patterns over a phrase or sentence (intonation). I've got it to produce some useful results, already, as in the attached MWE (although in 1.1 the ...
31
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2answers
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TikZ rectangular node with different rounded corners

This is my minimal example: \documentclass{article} \usepackage{tikz} \begin{document} \begin{tikzpicture} \node[rounded corners=3pt, draw, fill=red!20]{Hallo!}; \end{tikzpicture} ...
31
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4answers
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Faded drop-shadow using tikz-based rounded rectangle?

Background Epigraphs are in a box with rounded corners. The boxes have a drop-shadow. Example Picture #1 shows a shadow, while Picture #2 shows a shadow that fades out (soft blur): Problem ...
31
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3answers
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How to set exact radius for a node?

I have a bunch of nodes and would like to size them so that their areas represent some numbers I have (so that if I have two nodes with corresponding values 1 and 2, then the second node's area should ...
31
votes
2answers
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Increase the thickness of node border in TikZ

Suppose I have a node in the shape of a circle. How can I make its border thicker? \node[circle, draw=blue!80, inner sep=0pt, minimum size=12pt] (1) at (0,0) {1};
31
votes
1answer
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How to draw a filled rectangle without a border using TikZ?

Method 1: \draw [fill=orange] (0.1,0.1) rectangle (0.2,0.2); For the line above, by default, the filled orange rectangle will have a black border. Method 2: \draw [fill=orange,orange] (0.1,0.1) ...
31
votes
2answers
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3D solids with Tikz - or an alternative?

I want to draw 3D shapes in latex. I have tried out different strategies, but nothing has led me to a good solution yet. First what I want to do, then what I have done so far. In prioritized order, ...
31
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1answer
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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 ...
31
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1answer
546 views

How can I know if a node is already defined?

I think I've seen this question before, but I can't find it. The problem is simple; before I assign a name to a node I would like to know if the name is already used. I think when a node is created ...
31
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2answers
911 views

Equation connected by lines

I have written a code that defines a new environment in which aligned equation are connected by lines as in the image: I think it is useful when, inside the align environment, there is the need of ...
31
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2answers
949 views

An Example from the Microtype Documentation

While exploring the depths of the microtype package with regard to LuaTeX I came across this innocent looking page 18 from the microtype.pdf 2.5 beta-08. As the blue note in the margins hints a ...
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4answers
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Crop jpeg into circular tikz node

\documentclass[demo]{article} \usepackage{graphicx} \usepackage{tikz} \begin{document} \begin{tikzpicture} \node[circle,draw,inner sep=2cm]{\includegraphics{myimage.jpg}}; \end{tikzpicture} ...
30
votes
4answers
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Draw somewhat random function

I am trying to reconstruct this image here I am not very happy with the code, as it uses hacking and adding white boxes and alike. My problem is now how do I draw the somewhat arbitary function in ...
30
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5answers
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How to draw tangent line of an arbitrary point on a path in TikZ

Suppose I specify some node as occurring at some point on a path. Say for example the node (P) defined on the following path. \path[draw] (0,9) to[out=-90,in=180] (9,0) node[pos=0.7,circle] (P) {}; ...
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5answers
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How can I fix jumping TikZ pictures in beamer?

The problem of stuff jumping in beamer is a common one, (see e.g. Avoiding jumping frames in beamer) and we've seen it here from time to time (I imagine the "related" list at the side will be quite ...
30
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2answers
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How to plot a lattice of points on the surface of a torus?

I am doing a report on the Ising model, without going into the complex details of the model, in its two-dimensional form it involves a lattice of points. Which, when periodic boundary conditions ...
30
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3answers
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How can I draw nucleosomes with wrapped DNA in tikz or pstricks?

The nucleosome is the fundamental unit of DNA packing in cells, and I am trying to generate some figures for regular use in manuscripts and presentations. The nucleosome is commonly abstracted to a ...
30
votes
3answers
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How to pimp my tube?

How can I pimp my tube? \documentclass{scrartcl} % needs logicpuzzle bundle v1.8 % http://mirrors.ctan.org/graphics/pgf/contrib/logicpuzzle/logicpuzzle.sty % or replace logicpuzzle -> battleship ...
30
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drawing patterns based on prime factorization

can someone help me generate code to type the diagram for any given natural number based on its prime factorization such as these diagrams consider the next number 36 and its prime factorization, ...
30
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1answer
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No room for a new \dimen when including TikZ [duplicate]

Possible Duplicate: No room for a new \dimen I have a fairly large document which uses 30 or so packages. I was going to add some TikZ graphics, so I added the following to my header file: ...
30
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3answers
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Parametrize shading in table through TikZ

I wanted to do some shading in a table according to its values. For example, if you see the table below: a b c d a 90 10 0 0 b 0 80 10 10 c 0 0 95 5 d 0 10 5 85 I want to ...
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2answers
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Draw 3D intersecting surfaces

Problem This is a shameless "just do it for me" graphics question, but honestly I have no idea where to start. I'd like to reproduce this figure The image shows the intersection of two ...
30
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1answer
688 views

Randomly bouncing balls with constant tails in a spherical constraint

How easy is the following animation made with TikZ, PSTricks, and Asymptote? Use the following as a starting template to save your time. \documentclass[border=12pt]{standalone} \begin{document} . ...
30
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2answers
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What is the correct way to get a pgfkey value?

This is my first foray into the pgfkeys package and I found the following behavior really odd. The Tikz/pgfkeys manual mentions two ways for setting key values: \pgfkeys{key=value} and ...
29
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8answers
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Creating a Polar Grid with Tikz

I am trying to recreate the following image using tikz: So far, this is my code \documentclass{article} \usepackage{tikz} \begin{document} \begin{tikzpicture}[>=latex] \fill[fill=lightgray] ...
29
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8answers
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How to draw triangular grid in TikZ?

Is there an easy way to draw a triangular grid in TikZ, like this?