As of May 31, 2023, we have updated our Code of Conduct.

# Questions tagged [tikz-calc]

The tag has no usage guidance.

60 questions
Filter by
Sorted by
Tagged with
86 views

### TikZ node width depending on two nodes distance

I am trying to make a schematic, where I need to have a rectangle with the minimum width set to the distance between two other rectangle nodes. I tried to follow the solutions from Compute the x ...
1 vote
47 views

### Page Background for Certain Pages Only

Consider the code: \documentclass{article} \usepackage{background} \usetikzlibrary{calc} \usepackage{lipsum} \backgroundsetup{ color=black, scale=1, opacity=1, angle=0, contents={\tikz\draw[line ...
1 vote
33 views

### What are all the possibilities of the calc library to position a point or a line?

I know how to draw with the calc library a perpendicular line of given length a perpendicular line passing through a point a line of any angle passing through a point Are there any other ...
52 views

### Evaluate rotation based on atan x

I would like to express the angle of rotation for the tangent line in terms of atan x using the slope (which is calculated earlier in the problem). I can get it to work using the angle but I do not ...
91 views

### Displaying decimal divisions

Here is a way to display decimal divisions. I have indicated the problem I am facing. I suspect that the use of some calculation is needed here. I know that xlop exists, but for several reasons I am ...
1 vote
33 views

### TikZ - Positionning labels in a basic Venn digaramm

The code given below can produce the following diagram, but the positioning of the labels for the percent values are made by hand... Can this human activity be avoided? MWE \documentclass[tikz]{...
169 views

### Parallelogram Rule and Head to Tail Rule

Here's my current MWE: \documentclass{article} \usepackage{tikz} \usetikzlibrary{calc} \tikzset{>=stealth} \colorlet{veccol}{green!45!black} \tikzstyle{vector}=[->,very thick,veccol] \begin{...
184 views

### How to Draw Electrons on Bonds Using Chemfig and Contain a Chemfig withn a Box?

I have been playing around with the "chemfig" package to get electrons drawn on a given bond. I used the "chemmove" command to draw the electrons, but it is inefficient to modify ...
1 vote
193 views

### Rotation number of a vector field

I am trying to define what is the rotation number of a vector field and for this I need to show the following graph (or one quite similar) my attempt is as follows (I used as template the code given ...
97 views

### Centering a line between to nodes using tikz

I'm trying to create a tikz picture where I have an image with some text to the right of it. Between the image and the text I want to draw a vertical line that is the same distance away from the edge ...
34 views

### TikZ - Calculate the middle of a polyline

In the code below, I poorly put a text below the middle of a polyline. I would like to automate this: the parameter is -.75 in ++(0,-.75) used to draw the polyline. What is the best way to achieve ...
1 vote
51 views

### Tikz : Point C at distance k on line AB

I'd like to define the point C on line AB such that AC=k, using the calc library and the let... in... command. This does not work, why? Is there a unit problem (C seems to be pretty close to A)? I ...
267 views

### tikz cosine function plot without pgf

I am trying to plot a function with cosine and exp. It can plot the exp part but not the cosine. I have tried cos, \cos, cosine, \cosine none work. This code used to work for 3 months ago maybe ...
1 vote
48 views

### On defining a macro using \edef and assigning the x-component of a given node to it

Let us assume that we have a node in Tikz and we want to have a macro called \myx using \edef to assign the x-component of the node to \myx. Below is my code: \documentclass{standalone} \usepackage{...
66 views

### Problem with \tikzdeclarecoordinatesystem

I create a new coordinate system with \tikzdeclarecoordinatesystem. Compiles true when scale=1 and false otherwise. Why? Can you help me? Thanks alot. This is my code. \documentclass[tikz, border=2mm]{...
140 views

### Weird Tikz positioning behaviour; calc, \graph, subgraph

I have the following code. It behaves as expected when only one middle node is drawn; however, when both are there the result is surprising. Why is that? How can I fix it? \documentclass[border=2mm]{...
1 vote
189 views

### TikZ: fill a percentual part of a rectangle node

I have a rectangle node, say 2cm times 3cm. Is there a TikZ-like way to fill a percent value, say p, of that rectangle, similar as shown in the picture (for 34.5%). So the yellow area shall be e.g. ...
243 views

### Recursive function in pgfplots

I'm trying to plot Legendre polynomials, which can be done very easily by calling a recursive function. For instance, in Python this would like like this: def legendre(xi, p): if p==0: ...
242 views

### Draw Arcs On Spherical Caps With Fill

I asked this question: Draw Arcs On Spherical Caps and a user was kind to answer. However, I am trying to improve on design by changing some colors, adding fill, and adding coordinate (x,y,z) axis ...
1 vote
71 views

### How to calc coordinates of a middle of calculated segment?

\documentclass[12pt]{scrartcl} \usepackage{pgfplots} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture} \coordinate (a) at (-2,5); \coordinate (b) at (-2,0); \...
336 views

### Using tikz-calc addition of coordinates along with macros

I am trying to use tikz-calc to automatically calculate coordinates in custom macros, using the coordinate addition function ($(x,y) + (a,b)$). Things seem to go awry when I try to add coordinates ...
1 vote
278 views

### how to draw n horizontal y-axis parallel lines intersect m vertical x-axis parallel lines

use \foreach command add node circle \begin{tikzpicture}[scale=0.5] \draw[->] (-10, 0) -- (10, 0) node[right] {$x$}; \draw[->] (0, -10) -- (0, 10) node[above] {$y$}; { \foreach \n in {8,7,...
541 views

### Calculation summations in Latex

Anyone can help me please? I need to calculate the sum 1+1/2+1/3+...1/n (n given) by using only Latex commands. I have no idea how can I do this. Many thanks.
1 vote
85 views

### tipfr package: how to write some buttons (request: only pdfLaTeX)

Related of this my previous question here: Search for a package to generate graphic displays of calculators I'm searching to write something as \sin^{-1} for my students similar to this picture taken ...
1k views

### TikZ: Get (dimensionless) distance between node anchors

In the following picture I want node C to be as wide as the distance between (A.north east) and (B.south west) as indicated in the picture; I tried defining a new node D with \n1 as minimum width, and ...
413 views

### Tangent Circles using TikZ

I am trying to use TikZ to draw tangent circles contained in a rectangle, but I have encountered some difficulties. I am also soliciting general feedback on using TikZ better, so I am giving a fair ...
106 views

### Tikz, error in computation of coordinates

I would like to draw 3 vectors starting at (m) and with computed length, but things go wrong. Basically I get an error or a rendering error (according to the differend attempts) in the 1st and 3rd ...
239 views

### Expansion of "\coord" macro in TikZ "let" command

Please consider this code: \documentclass[border=10pt]{standalone} \usepackage{tikz} \usetikzlibrary{calc} \def\coord(#1){coordinate(#1)} \begin{document} \begin{tikzpicture} \node[draw](A) at (...
380 views

### tikz arithmetic with numbers and lengths

Consider this example: \documentclass{article} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture} \def\starty{3} \def\length{1}; \coordinate(a1) at (1, \starty); \...
127 views

### Can tikz projections be computed in three dimensions?

According to the pgf manual, the syntax <coordinate>!<projection coordinate!<angle>:<second coordinate> can be used to project <projection coordinate> orthogonally onto ...
741 views

### best way to draw planes in 2d?

I would like to replicate the following image and I would like to know how to represent the third state into the page by using the tikz-3dplot package, maybe starting from the answer to a previous ...
1 vote
76 views

### How to Calculate x-Position in a pgfplots with Information from a Table

Situation and Problem This question is a follow-up and based on marmots answers to this question and this. The general situation is described there. Now I want to simplify input. More specifically I ...
718 views

### Drawing a set with a particular shape

I would like to draw a non-convex set as in the following image and I like to start from my MWE: \documentclass[12pt,a4paper]{book} \usepackage{tikz} \usetikzlibrary{calc, shadings} \usetikzlibrary{...
135 views

### Dynamic bar plot from file

I need to draw a bar chart based on the data from the file. The data looks something like this \begin{filecontents*}{tls.dat} Name Abbreviation percentage Bod-Kin LS1 60 Intraper LS2 40 ...
102 views

### Defining intersections and nodes

I've replicated the figure below through the following MWE \documentclass[12pt,a4paper]{article} \usepackage{tikz} \usetikzlibrary{calc} \begin{document} \begin{tikzpicture}[dot/.style={circle,...
349 views

### Drawing perpendicular lines, filling areas

I still have some trouble with perpendicular lines. This is the figure I'd like to replicate This is my MWE \documentclass[12pt,a4paper]{article} \usepackage{tikz} \usetikzlibrary{calc} \begin{...
3k views

### Drawing a simple plane in 3D space

I'm trying to produce this simple 3d picture, but, since it's the first time I draw a 3d pic, I'm not sure about how to get the plane passing through the line X. The following code shows a first ...
383 views

### Intersections in Tikz

The following code produces , however I would like to highlight the intersection area between the line through the coordinates A and B and that perpendicular to the vector x.3, defined in the \...
528 views

### Drawing lines using \foreach

I'd like to get a picture similar to that uploaded below. Basically, I'm trying to add perpendicular lines to every ray on the positive orthant. This is my attempt, could you tell me what is wrong in ...
129 views

### Tips for improving a code

I'm trying to replicate the following figure. This is my attempt, but I want to get something more precise. \documentclass[12pt,a4paper]{article} \usepackage{tikz} \usetikzlibrary{calc} \begin{...
71 views

Since I am a beginner with Tikz, I wanted to ask what is the best way to include labels to my lines, as in the picture: This is the code: \usepackage{tikz} \usetikzlibrary{calc} \usetikzlibrary{...
1 vote
1k views

### How to add ticks in a circle in TikZ

Referring to the question How to make add tick to node in tikz, how do I extend this to a circle shape in TikZ. A simple approach is to draw lines as ticks by calculating the coordinates. Sample ...
1 vote
90 views

### Plotting my chart incorrectly in tikz

MWE \documentclass[tikz,border=10pt]{standalone} \usetikzlibrary{datavisualization} \usetikzlibrary{datavisualization.formats.functions} \usetikzlibrary{patterns,backgrounds} \def\mytypesetter#1{ \...
2k views

### How to draw animated isomorphic graphs?

I saw a nice question & answer over here, about creating an animation to demonstrate graph isomorphism. I'd like to do the same for these two examples: These two are isomorphic: These two aren't ...
407 views

### How to remove unit from variable?

I want to draw an arc of a certain length in cm, so I divide by the circumference in cm and multiply 360 to get the segment in degrees. (Is there a shortcut?) In my MWE b is the unitless number I want ...
287 views

### Calculations within Matrix Tikz

How can I tell tikz to make a calculation within a matrix. The same syntax outside does not work within as is shown in this MWE: \documentclass{article} \usepackage{tikz} \usetikzlibrary{matrix,calc} ...
178 views

### Let Tikz do the Calculating

Most of the work has been done here except I want TiKz to calculate the y values at least. I try here below but need help with the syntax to finish \documentclass{article} \usepackage{tikz} \...
5k views

### TikZ: Understanding the usage of calc library

For the following MWE, I need to place block (yaw) {C} midway between (1) the middle point between (output) and (integrator) (2) and (sum2). So, how can I correct this syntax \node [block] (yaw) at ([...