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45
votes
1answer
1k views

Toward a Stamper Package

Imagine that you want to simulate a hand stamp on every page in some large documents. It must be an imperfect print, with random page-to-page variations in ink intensity, fading, rotation and blur. ...
40
votes
2answers
2k views

The effect of the anonymous letter

I'm trying to create an effect as if the text is made up of letters cut from magazines and newspapers and even the same words had different style. It is necessary that each letter in the word had a ...
26
votes
3answers
1k 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 ...
23
votes
3answers
484 views

How do I put a die roll at the top of each page?

I was thinking about a trick I heard of in old RPG books and wondered how you would do it in LaTeX. So it used to be hard to find RPG dice in stores (That is, dice with 4, 6, 8, 10, 12 and 20 sides. ...
20
votes
1answer
674 views

Watermark random location

I would like to add an artistic watermark image on every page, at a random location on each page. I am considering the eso-pic package, but am open to just about any suggestion. Does anyone have any ...
17
votes
2answers
423 views

Selecting random elements from a comma separated list

I would like to have a command (either user-defined, or from a package, or whatever) that has the basic form: \selectNrandom{N}{list, of, comma, separated, elements}{code to execute} which will ...
16
votes
2answers
2k views

Generate random numbers with a specific font

My objective is to create a table or some form of environment as shown in the figure below. The numbers should be randomly generated every time you compile and have the font shown below. Is ...
16
votes
2answers
686 views

Filling white space in title page with random numbers or a text

Is it possible to fill all white space in this template with numbers or a text? %---------------------------------------------------------------------------------------- % PACKAGES AND OTHER ...
13
votes
1answer
522 views

TikZ: decoration - random steps: how to get twice exactly the same shape?

I'm creating a beamer presentation, in which I use TikZ. I am making a figure, on which I would like to highlight something (using \only<> command). My figure contains an ellipse that is ...
11
votes
2answers
430 views

How to include random images?

I'd like to make LaTeX pick one image file randomly from a series of eight images, and include it. I found that ''lcg'' package can generate random numbers: \usepackage{lcg} ...
11
votes
2answers
84 views

Randomly assign background colour for each frame

How can a randomly picketed background colour be chosen for each beamer frame? Note: This question is asked to round out the question Randomly assign color to background in the PDF whenever page is ...
10
votes
7answers
3k views

How to create a random math problem in LaTeX?

I want to create a math problem-solution sheet. The coefficients a, b, c must be assigned on the fly at random so the generated pdf will show a numeric quadratic equation rather than a symbolic ...
10
votes
4answers
726 views

How to randomly shuffle a sliced image?

I have no idea to shuffle the following grids of a sliced image. How to do this in (La)TeX or PostScript level? \documentclass[pstricks,border=12pt]{standalone} \usepackage{multido} ...
10
votes
1answer
208 views

Table-aligned, randomized, repeatingly smaller icons for eyesight-chart

My daughter needs to train her eyesight in accordance to the LEA eyesight chart tests. I have manually created a new chart for her, but it really takes a long time randomzing the four icons and ...
10
votes
1answer
167 views

Random number without repetition in an \includegraphics

I have 58 images in PDF format. At the moment, each of them is in a separate PDF, such as 1.pdf, 2.pdf etc. I would like to include those 58 images in a random order without repetition. I found the ...
9
votes
2answers
282 views

\rand inside \forloop creates identical values

I try to create a table with random entries... By browsing the random tag, I found some help on random number generators and I tried using lcg. Surprisingly I seem to create the same random number ...
9
votes
2answers
434 views

randomize the order of text lines in a .tex file

I need to create an environment (let's call it randomizer) that randomly changes the order of its lines, which may contain any text or latex commands (assume without verifying that they don't break ...
8
votes
3answers
699 views

How to draw a rectangle filled with random size circular pattern?

I wish to generate a rectangle with circular features present within (to represent water particles), something like this: Which shows that the incoming radiation decreases with distance (as ...
8
votes
3answers
440 views

Generating random numbers without repetitions

How do I generate in LaTeX a list of random integers, in a given range, avoiding repetitions? The command \pgfmathrandomitem selects an item from a list, but when inserted in a loop can select twice ...
8
votes
2answers
471 views

Random shuffle itemize

Is there an environment (or macro for itemize) that shuffles all items randomly each time the pdf is generated?
8
votes
2answers
348 views

How to Generate Random Variables then Use in Calculations in pdflatex

I'm basically trying to create multiple versions of a worksheet, each with different values for the variables in each question. To do this I'm defining random variables, then each time I compile the ...
8
votes
1answer
116 views

How to correctly decorate an ellipse with random steps

To create something that looks like the shape of a lake, the following code transforms the border of a blue ellipse with smooth random steps. The idea is taken from another answer. ...
8
votes
1answer
482 views

Accessing randomly selected problems via the probsoln package

I have two datasets, each containing problems dealing with a specific topic. These problems are stored in external files (again, one file per topic) and loaded into the datasets in a random order. I ...
7
votes
2answers
778 views

Automatically generated BINGO cards

I am trying to automatically generate a series of BINGO cards. So, I need a 5 x 5 table with square cells that allow text wrapping. I also want to randomly assign a word to each cell from a "bank" ...
7
votes
5answers
1k views

Randomised LaTeX based multiple choice test

I would like to create a multiple choice test with LaTeX. It has the following boundary conditions: 20 questions (q) per test . 20 students (s) take the test, the order of the question should be ...
7
votes
2answers
2k views

Defining variables in TikZ

I'm trying to define random variables - for example to draw some random points of the form (r,r) when r is a random number. I tried \def\myrandomnumber{rnd}, but that seems to give me a new random ...
7
votes
1answer
608 views

Storing the result of a random number in tikzpicture

I am drawing a surface composed of rigid "molecules" composed of three spheres each. I want to add some randomness to the surface. I have created this code: \begin{tikzpicture} \def\nuPi{3.1459265} ...
7
votes
1answer
248 views

Gaussian random numbers

The Tikz manual has all sorts of different options regarding math, but the following is the first version which actually worked. Is there a better way to do this? \documentclass{article} ...
7
votes
2answers
110 views

Generating random conversions

I am working on a system to randomly generate some exercises on unit conversion. The students get a exercise like 27.89 mm = ...... hm I achieved this whit the use of a random value generator ...
7
votes
2answers
377 views

creating a list of random numbers using a loop

I am trying to write a loop that will generate a set of random variables to be used in the probsoln package. I would like to make a loop to generate A, B, C, etc. This exam will have a lot of ...
7
votes
2answers
310 views

Arbitrary Ragged Curves for Phase Diagram in TikZ

How can one draw a good looking curved random line extending along a diagonal connecting two arbitrary nodes in TikZ? (Also, how do I add arrowheads like I would usually do, or do I have to create ...
7
votes
1answer
135 views

MetaPost: Randomly generated number, distinct from previously generated number

Overview Looking to create random page background colours where the same background colour never appears more than once in succession (i.e., red, green, blue, green, blue, red, etc. -- never red, ...
7
votes
1answer
201 views

Randomized coordinates in TikZ

I need to draw a number of `bacteria' in TikZ. Their coordinates and orientation needs to be random within a pre-defined scope. I have randomized the orientation successfully, but not the location of ...
7
votes
1answer
215 views

Draw randomized tree in TikZ

I am trying to draw a randomized tree using TikZ, that is, I'm looking for a macro \randtree{NN}{x} that attaches a randomized tree of maximum depth x to a node named NN. The nodes need not be visible ...
7
votes
1answer
132 views

ConTeXt+MetaPost: Non-conflicting random background and foreground colours

Overview Looking to create a page that has a random (and non-consecutively repeating) background colour with titles that are also random. Problem The code has two problems. First, generating a ...
7
votes
1answer
170 views

Random coefficients in the polynom package?

I am using the probsoln package to generate random math quizzes. For polynomial division, I can generate random integer coefficients, but I had planned on using the polynom package to auto-generate ...
7
votes
1answer
827 views

Conditional using non-integer numbers

I am trying to generate fractals using affine transformations. I need to generate a random number in the interval (0,1), and depending on the value of this random number choose a function to ...
6
votes
2answers
208 views

Random start of line

I would like to add a random white space at the begining of each line in a flushleft typeset paragraph. The idea is to simulate a hand-written manuscript. I thought I could do trick lineno package ...
6
votes
3answers
390 views

Drawing randomly ragged lines in technical drawings

I am having issues getting started on drawing a randomly ragged line, with finite variation, between two endpoints. The random function which uses variable rnd I think can be used, for instance, ...
6
votes
1answer
152 views

N in M : random choice

What is the most simple way, in pdflatex, to have a command such that \NinM{n}{m}{c}{d} will expand to c with probability n/m and will expand to d with probability 1-n/m ?
6
votes
3answers
292 views

Random form letter text

I want to randomize some of the text contained within some letters. For e.g.: \random{Dear \name,}{Hello \name,}{Greetings \name,}{Hi \name,}{To \name,} \random{You are invited to}{You are welcome ...
6
votes
1answer
624 views

Generating a worksheet

My objective is to be able to generate worksheets in categories like: Laws of Indices Simultaneous Linear equations and Quadratic equations When I say generate is to generate for example 20 ...
6
votes
1answer
51 views

Why doesn't fancyhdr like random numbers?

In the following MWE I use \lhead{\stepcounter{step}\arabic{step}} and it works perfectly, incrementing by 1 each page. I also use \chead{\setrand{100}\arabic{rand}} and get the same number every ...
6
votes
1answer
233 views

Random 3D shape

I created a picture for a random charge distribution and it currently looks like this \documentclass{article} \usepackage{tikz} \usetikzlibrary{intersections, decorations,circuits.ee.IEC, calc, ...
5
votes
1answer
83 views

Have a new seed in pgfmath more often

I'm using pgfmath in my code since I need some randomness and I want the seed used for the randomness to be updated each time I compile. I read that pgfmath is updating the seed every minute, which is ...
5
votes
1answer
956 views

Naming coordinates in a foreach loop

I have the following problem: I am using beamer together with tikz, and I want to use some random points in a drawing which is shown over a couple of slides. If I use the normal random method, the ...
5
votes
1answer
87 views

How to seed \FPseed with a value that is unique for every compilation?

How to seed \FPseed with a value that is unique for every compilation? Is there a LaTeX macro to get the CPU tick so I can use it to seed? \documentclass{article} \usepackage{fp} \begin{document} ...
5
votes
1answer
165 views

MetaPost: Randomly variably thick curves

Overview Looking to emulate the following sinusoidal wave having random variations in both its filled and outline thickness: The wave has two parts: a variably thick filling and a variably thick ...
5
votes
1answer
201 views

Prohibit see-through text with gibberish on backside of page?

I'd like to have the backside of my LaTeX pages printed with "gibberish" to prevent someone from holding the letter against a lamp and reading the see-through text. Kind of like the PIN letters have ...
5
votes
1answer
238 views

Creating random patterns in TikZ

I'm interested in doing two (not completely) separate things in TikZ, if I should open another question for one part, please tell me so. What I'm interested in is: Create a random array of filled ...