20
votes
6answers
765 views

Generating Random arrows in tikz

I would like to draw this figure : Hence, I resort to TikZ. But, it seems to be very difficult drawing arrows precisely in TikZ with the precise locations (x,y). I have achieved this: Here is the ...
31
votes
6answers
2k views

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 { ...
38
votes
12answers
3k views

Drawing a Reuleaux Triangle

A Reuleaux triangle is a shape of constant width sort of like a rounded equilateral triangle. (Reuleaux triangle - Wikipedia, the free encyclopedia) It can be formed by the intersection of three ...
7
votes
3answers
226 views

How to automatically draw the images of a point placed between 2 inclined mirrors?

Consider a point X placed between two inclined mirrors as follows. \documentclass[pstricks,border=20pt,12pt]{standalone} \usepackage{pst-eucl} \def\Angle{37}% extreme case in which 360/\Angle-1 is ...
40
votes
9answers
3k views

The Spiral of Roots in TikZ

How can one create a spiral of roots as shown in the diagram below: where one can use a command to draw more parts to the spiral. For example, a command like \sqrtspiral{1}, \sqrtspiral{2}, ...
4
votes
1answer
189 views

Electron distribution box diagram

Just for sharing. Improvements are welcome. \starttext Electron distribution box diagram \startMPcode picture finalpicture ; finalpicture := nullpicture ; numeric n ; n := 0 ; bboxmargin := 0pt ; ...
5
votes
0answers
163 views

Scheme for Chemical Potential Energy representation [closed]

I wrote this code to schematically represent the concept of chemical potential energy. This image will be part of a representative diagram of energy transformations in a voltaic cell: chemical ...
26
votes
2answers
665 views

Chaotic billiard with TikZ

I'm looking for a TikZ library that could help me to represent different shapes of chaotic billiards. Any idea?
12
votes
2answers
252 views

Is there another better way to have a region with gradient opacity?

My objective is to get a region with gradient opacity. In the following MWE, the region is a quarter of a disk on the top a bird. I made the gradient opacity by partitioning the sector into 45 ...
44
votes
13answers
2k views

What is the simplest way to draw this triangle exactly?

I want to see how we can exactly construct the following diagram as simple as possible. It means that the manual calculation should be avoided. Note that the angle marks attached to angles ...
47
votes
6answers
2k views

How to automatically draw tree diagram of prime factorization with LaTeX?

I want to have a simple interface to automatically draw tree diagrams of prime factorization. For example, by invoking the following code, \PrimeTree{36} \PrimeTree{90} \PrimeTree{112} ...
13
votes
2answers
473 views

How to draw spherical triangles?

Does anyone know how to draw spherical arcs and spherical triangles using LaTeX?
3
votes
3answers
586 views

Drawing system architecture in Latex

I want to draw a system architecture as in the picture below Can you help me?
4
votes
0answers
302 views

Is fine-grained grid control possible? [closed]

I want to make a variety of checklists which are essentially based on a grid layout. I care about having fine-grained control over the exact placement of labels and boxes. I do not care about ...
23
votes
1answer
836 views

More elegant way to achieve this same camera perspective projection model?

I just finished a camera perspective projection model using TikZ. Although, while I'm pretty satisfied with the result, it took me a lot of time to do it. It's easy to see from the code below that I'm ...
4
votes
2answers
630 views

What tool was used to generate these technical diagrams?

I was reading a paper or Computed Tomography, and I found these two nice diagrams: And I was wondering, what tool was used to make them. I've worked with Tikz for example, but I believe it would ...
25
votes
3answers
713 views

How do I make a superellipse node shape in tikz?

A superellipse is a kind of closed curve which can be used as a "intermediate" shape between ellipse and rectangle. A parameter can control its "roundness". I find it a pleasant alternative to the ...
21
votes
1answer
4k views

Package for typesetting Feynman diagrams (efficiency of `feynmp` and `tikz`)

Is there any good package for typesetting lots of Feynman diagrams? My question arise because Feynmp: Circle with three vertices lead me take a look at the documentation for the feynmf/feynmp ...
23
votes
3answers
2k views

Why does anyone prefer Metapost?

TikZ (together with its PGF backend) is the most widely used picture drawing tool by regulars here, having more than 50x as many questions as for Metapost, alongside a wealth of documentation and user ...
76
votes
3answers
4k views

Fundamental differences : PSTricks, TikZ/PGF and others

OK, since this is a pretty vague and subjective question. I need to set up some borders around the discussion that I intend to benefit from. But before anything, I certainly do NOT want to excite the ...
2
votes
1answer
722 views

How to draw an optical lattice

I want to make in TikZ or MetaPost an image of a two dimensional lattice with oscillations like these: (Source: http://www.uibk.ac.at/th-physik/qo/research/opticallattices.html) or this one: ...
60
votes
6answers
2k views

Curve through a sequence of points with Metapost and TikZ

This question led to a new package: hobby I found Metapost best for drawing complex smooth curves (i.e., Bezier, splines), since you do not have to directly specify Bezier control points. ...
7
votes
1answer
690 views

How to generate EAN barcodes with TikZ or MetaPost?

I'm looking for way to generate EAN barcodes with LuaLaTeX. I'm aware of this question; the solution to that needs pstricks, which won't work easily with LuaLaTeX (I don't want to install GhostScript ...
4
votes
0answers
565 views

Creating a colored bar chart using MetaPost or pgfplots [closed]

Right now I have this: input graph input sarith beginfig(1) draw begingraph(3cm,2cm) gdata("data1.d", v, path p; augment p (v1,0); augment p (v1,v2); augment p (v1 Sadd ...
89
votes
8answers
8k views

Simulating hand-drawn lines

I am working on a project that will have some vector graphics, perhaps using TikZ (or a similar package). All of the graphics consists of lines, in shades of gray. However, the lines from TikZ appear ...
11
votes
1answer
2k views

pgf/tikz vs metapost

Can the experts here comment on the pros and cons of these two languages? I have been using metapost for a long time and I was wondering if I should learn pgf/tikz also. How does both languages ...
9
votes
2answers
553 views

automatic resizing of edges with long labels

I would like to know if there is a way to automatically resize edges when they have long labels. For example, the following code \documentclass[10pt]{article} \usepackage{tikz} ...