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7
votes
1answer
81 views

fill the interior of a randomly constructed closed path

I am not sure how to proceed in filling the interior of a randomly generated (via a random decoration) path. I began with code given in the answer to this question and worked on it since the basic ...
1
vote
0answers
58 views

Problem with Dense distribution

What is poisson.sty? and how can i fix this problem because I want to run the below code but there is an error ( poisson.sty not found) \documentclass{article} \usepackage{tikz} \usepackage{poisson} ...
4
votes
1answer
133 views

Randomize a section of code lines

This is similar to a previous question, but I didn't really understand the answer given. One possible use of what I'm asking is in the following code for a Matching style of question, where lines of ...
25
votes
2answers
495 views

Can LaTeX select a random line from another file?

Can LaTeX select a line from one file and include it in the main file? I use the exam class to make course exams. I like to include a brief quote related to the course in the footer of the last exam ...
5
votes
0answers
80 views

Problem generating a random worksheet

I've been trying to adapt the steps given here. how-to-generate-random-variables-then-use-in-calculations-in-pdflatex My MWE is below (and I apologise for the code being a bit clunky!) ...
11
votes
3answers
323 views

How to have a real random pattern?

How to have a new recalculated random pattern ? this one is the same translated everywhere. Edit I perfectly understand that the pattern is calculated once and drawn several times after. My ...
3
votes
0answers
43 views

! Argument of \pgfmathrnd@@ has an extra }

The followin code gives this error : ! Argument of \pgfmathrnd@@ has an extra }. <inserted text> \par l.12 } ? ! Emergency stop. <inserted text> ...
13
votes
2answers
231 views

Randomly assign background colour for each frame

How can a randomly picked 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 ...
3
votes
1answer
158 views

Random selection of file issues

I have tried to create an exam with random questions selected from different files as shown here. The code I used works but is only randomized on a random basis; i.e. for 1st round it gives a set of ...
8
votes
2answers
667 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
182 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. ...
7
votes
1answer
308 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
410 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 ...
6
votes
1answer
64 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 ...
10
votes
1answer
216 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 ...
5
votes
1answer
150 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
86 views

Print arguments of a macro in a random order

I have the following (simplified) LaTeX code that simply prints all its arguments. \newcommand{\mm}[4]{#1 #2 #3 #4} Now, I would like the arguments to be printed in a random order, e.g., #2 #1 #4 ...
23
votes
3answers
535 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. ...
7
votes
4answers
589 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, ...
7
votes
2answers
130 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
1answer
167 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
168 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, ...
6
votes
1answer
212 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 ...
7
votes
1answer
373 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 ...
5
votes
1answer
261 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 ...
3
votes
2answers
168 views

How can I make random placed edges between two graph partitions?

I have to nodes (V1) and (V2) (representing sets of graph vertices) and I want to draw, say, 10 edges(lines) between them. I don't want to hardcode random locations so I did: \begin{pgfonlayer}{bg} % ...
7
votes
1answer
312 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 ...
4
votes
0answers
103 views

How to randomly display a word from a list of words (a random student's name of my class)? [duplicate]

Last year, I came up with a solution to randomly display the names of my students in a presentation using the package tikz. Unfortunately, I'm not a LaTeX guru, and it's far from perfect: ...
6
votes
1answer
273 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
106 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
90 views

Help me to recover the seed ! pdfuniformdeviate

I made a BIG mistake : I compiled a file and used some macro with pdfuniformdeviate. But I did not realized I will need to recompile this (official) document with the SAME random sampling. I keep all ...
6
votes
1answer
164 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 ?
4
votes
1answer
492 views

How do I generate in LaTeX a list of random questions avoiding repetitions?

How do I generate in LaTeX a list of random questions avoiding repetitions? \documentclass{article} \usepackage[pdftex]{exerquiz} \usepackage{enumitem} \usepackage{tikz} ...
9
votes
3answers
625 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 ...
7
votes
2answers
416 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 ...
8
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 ...
3
votes
4answers
382 views

How to randomly extract some pages of a PDF file, sort their pages, and finally bundle them into a new PDF?

Some books in amazon.com have excerpts (first several pages plus appendixes) from which we can know their contents, layouts, etc roughly prior to purchasing. Statistically I think it will be better if ...
2
votes
0answers
92 views

How to draw a smooth random blob with TikZ? [duplicate]

How can I draw a smooth, "natural" looking blob with TikZ? My approach \begin{tikzpicture} \draw [] (0,0)node[circle,draw,decorate,decoration={random steps,segment length=.3cm,amplitude=1cm},rounded ...
8
votes
3answers
911 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 ...
6
votes
2answers
241 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 ...
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. ...
8
votes
2answers
604 views

Random shuffle itemize

Is there an environment (or macro for itemize) that shuffles all items randomly each time the pdf is generated?
5
votes
1answer
257 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 ...
21
votes
1answer
793 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 ...
31
votes
4answers
2k 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 ...
5
votes
1answer
389 views

Tikz randomly placed groups of objects

I would like to place several groups of three objects (two circle paths and one node) in a triangular area. I came up with the following code, which is based on a subdivision of the triangle in ...
17
votes
2answers
495 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 ...
7
votes
1answer
182 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 ...
5
votes
1answer
570 views

How to randomize content with examdesign package using Sweave

Forgive me in advance if this is a dumb question, or too specific to one package. I've been using examdesign to randomize the order of questions, but I also want to randomly generate the content. I've ...
9
votes
2answers
373 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 ...