{parameters} is about the meaning, and the manipulation of fundamental parameters that guide the typesetting of LaTeX.

learn more… | top users | synonyms

25
votes
6answers
1k views

Spirograph, Continuous Rotations in TikZ or PSTricks

Spirograph-like drawings are obtained when one repeatedly draws a closed curve on a continuously rotated canvas. Is there a nice way to make spirograph drawings using TikZ or PSTricks? There is a nice ...
20
votes
3answers
2k views

Extract first & last characters of macro argument?

In LaTeX, how do I extract/isolate/determine the first and last characters of a macro argument? Specifically, in the case I'm dealing with, the argument happens to be a base-10 integer (call it N). ...
19
votes
1answer
899 views

Can/Should I use '\jobname' to pass information from outside LaTeX?

I'm creating a parameterized document. I want to pass a string into the document from outside at 'compile time'. In particular: a comma-separated list. This list will then be used by LaTeX to resolve ...
19
votes
1answer
3k views

Passing \newenvironment parameters to the end block?

I am attempting to construct a new environment which will allow me to format arbitrary list types (itemize, enumerate, description etc.) with the new environment. As such I am passing it as a ...
14
votes
2answers
372 views

Macro to take a character as argument, make it active, then \def it.

I have a XeLaTeX document in which I want some unicode symbols to be auto-substituted, like ¼ → 1/4, » → >>, « → <<. But instead of a long list like \catcode`\¼=\active\def¼{1/4} ...
13
votes
2answers
357 views

TeX Parameter Processing imitating key-value pairs

I am thoroughly confused by this answer to How to generate n points on a circumference and connect all of them while having constraints on the image size as I don't understand how the parameter ...
12
votes
2answers
5k views

New command with variable number of parameters

I would like to create new command with functionality like this (pseudo code): \newcommand{\myCommand}[numOfParameters] { for (i = 0; i < numOfParameters / 3; i++) { \somecommand1{#(i*3 + ...
12
votes
3answers
260 views

Conditional command (depending of the arguments)

I have the commands: \def\tabfive{% \renewcommand{\arraystretch}{1.1} \begin{tabular}{p{0.18\linewidth}p{0.18\linewidth}p{0.18\linewidth}p{0.18\linewidth}p{0.18\linewidth}} \fiveoptions ...
12
votes
2answers
232 views

Passing parameters to \g@addto@macro

I'm a complete newbie but have a little background in programming. I've been looking at a MWE located here provided by Yiannis Lazarides. In the macro definition, we have %% add an image to the DB, ...
10
votes
1answer
2k views

Parameter Stack Size Error with graphicx

I'm trying to include a graphic in a document, and no matter how I try to manipulate the graphicx package, I have never been able to make an image appear. I have tried making the image PNG, PDF, and ...
9
votes
1answer
117 views

Parameters in a caption

I have a simple figure with a code like this: \begin {figure}[htbp] \centering % \begin{tikzpicture} [scale=1] \def \r {1/4} % y-scaling % % PARAMET. \def \a {1} %x^6 \def \b {-6} ...
8
votes
2answers
252 views

tikz, conditional setting of shape parameters

In my illustration I use simplified sketches of stopwatches (timers), which appear in three different "modes": (1) start of interval (coloured green), (2) time in progress (yellow), and time is ...
8
votes
2answers
358 views

Passing text containing linebreaks as command or environment parameter?

I just tried to write some commands which used its argument to check whether they were empty (isempty{...} from package ifthen) or not. The problem was that the text to check contained a linebreak, ...
7
votes
2answers
314 views

Extract year from parameter containing date [duplicate]

Possible Duplicate: How do I split a date? Does anyone know how to extract year from date in parameter of own macro? Namely, \themacro#1{...} where #1 contain either date already in ...
7
votes
1answer
230 views

Double #s when defining a new command that uses \mint instead of using \mint directly

Why does \dollarcom give a different result than \mint{bash}|$#|? \documentclass{article} \usepackage{minted} \newcommand{\dollarcom}{\mint{bash}/$#/} \begin{document} \dollarcom \mint{bash}|$#| ...
7
votes
1answer
140 views

Using arara to compile powerdot twice

I want to compile my powerdot presentation twice -- once with, once without notes. I am trying to achieve this using arara with something like: % arara: latex { set \powerdotmode=slides here } % ...
7
votes
1answer
335 views

Storing unexpanded macro definitions (including #1, #2, …) for later use (now includes full usecase)

Preliminary Info I'm working on a new LaTeX package to make scoping more flexible. To do this I'll be capturing and reintroducing user defined commands behind the scenes. (For a comprehensive ...
6
votes
3answers
340 views

Problem with newenvironment

I'm defining new environment and I'm trying to pass to it two arguments: \newenvironment{ctable}[2]% {% \begin{center}% \begin{tabular}{#1}% }% {% \end{tabular}% \captionof{table}{#2}% ...
6
votes
3answers
138 views

How do I handle a closing brace in a 'character scanning' macro?

Problem I need to define a command that grabs all numerical digits following it and leaves the rest alone. Eventually I came up with this: First Solution \RequirePackage{xstring} % for \IfInteger ...
6
votes
1answer
2k views

Default parameter values

What are the default values for the itemize environment (\itemsep, \labelsep, \labelwidth, etc.)? The below is an example of what I have so far: \documentclass{article} \begin{document} ...
6
votes
1answer
127 views

What is the proper way to pass user input to package commands?

I'm wondering if someone can fill me on the proper technique for passing parameters from a document to the underlying package. The user would interface via a document like this: ...
6
votes
0answers
180 views

how to add parameters to shape which internally use 'append after command'

years ago Mark Wibrow provided me the following code to adding text in inside border of a (rectangle) shape on this comp.text.tex thread: \documentclass[tikz,border=5mm]{standalone} %%% code from ...
5
votes
3answers
218 views

What's wrong with my newcommand?

I defined a question macro, then made it successively fancier. Right now, three macro should define a short hand for the following: \section{Questions} \begin{enumerate} \item Q1... \item Q2... ...
5
votes
2answers
4k views

variable-name \newcommand with parameters within another \newcommand

In "Defining a newcommand, with variable name, inside another newcommand" we learned how to use \newcommand within a command definition with another \newcommand, when the name of the inner command ...
5
votes
2answers
108 views

How to use/define a customized parameter?

I´m generating any grpahs... and I´m playing with any linewidhts values so I would like to type on the beginning of the .TEX a line similar to width1=0.1cm width2=0.15cm width2=0.20cm to avoid ...
5
votes
1answer
411 views

Package PGF Math Error: Sorry, an internal routine of the floating point unit

This type of error (! Package PGF Math Error: Sorry, an internal routine of the floating point unit got an ill-formatted floating point number ...) arises when trying to use a predefined list for the ...
5
votes
2answers
693 views

Passing nodes as parameters to a macro in TikZ

I would like to define a macro which would take two nodes as arguments and "connect" them using a third, predefined node. Like this: \documentclass{minimal} \usepackage{tikz} ...
4
votes
2answers
561 views

Turning parts of text on and off

Is there a way to turn certain parts of the text on and off in LyX/Latex ? I'm thinking of having something like an environment (lets call it "TL" for "traffic light") and a parameter t such that if ...
4
votes
1answer
4k views

How to pass parameters in a class file to different packages?

I'm writing a new class file that is based on book, and thought of making it available both in an English and in a Dutch version. Easiest to do seemed passing the arguments, so I constructed following ...
4
votes
1answer
75 views

Can you interpret macro parameters as verbatim?

Basically I want to define a macro whose parameter should be treated as a "script", meaning that I want to print it in a verbatim way including line breaks and special characters. Furthermore, I want ...
4
votes
1answer
130 views

Distinction between number and dimension in tikz key-value interface

When declaring shapes, I usually define the desired shape width with: minimum width = <number> <measure units> However, sometimes, I calculate calculate the shape's width separately. In ...
4
votes
1answer
151 views

Run a shell script (with parameters) from a PDF generated by LaTeX

I want to have a link in my PDF generated by pdflatex which executes a shell script, and this part works great. The problem I am running into is that I need the link in the PDF to be able to pass ...
4
votes
1answer
60 views

Parametrized inclusion of sub-files

I'm preparing a Resume using LaTeX, mainly for the purpose of easy customization. In particular, I wish to be able to generate different outputs from the same input file by changing a few parameters. ...
4
votes
1answer
673 views

How to pass two parameters to a \newenvironment?

I have defined this new environment for handling my images in my document I want to pass two parameters: #1 to refer to pathname to the imagefile #2 to refer to the string I want to pass to the label ...
4
votes
1answer
107 views

Generating lists and tables of items from commands in the document

I would like to define objects all over my document and later evaluate certain components from these objects. Example: \documentclass{minimal} \newcommand{\requirement}[3]{#1, #2, #3} ...
3
votes
3answers
154 views

Append to an argument

I have a command that receives some argument, like: \newcommand{\myappend}[1]{ \ifthenelse{\equal{#1}{aaaBB}}{\dothis}{\dothat} } Assume that the argument is 'aaa'. How to append (inside the ...
3
votes
2answers
113 views

Control sequence with arbitrary number of parameters

I want a macro which can generate units consisting of several base units. Let the macro be \unit. For example, I want \unit{kg} to mean \mathrm{kg} and \unit{kg}{m}{s^{-2}} to mean \mathrm{kg \cdot m ...
3
votes
2answers
62 views

How to make more-than-9-argument-commands work with tabular?

I have a command that needs more than 9 arguments. I stumbled over this solution: How to define a command that takes more than 9 arguments. This works fine in regular text. But I tried using this ...
3
votes
2answers
183 views

Sharing parameters between a command and an environment

(This question is related to Using \total of totcount package in section title) I'd like to keep track of the papers I review, and I have written a code (MWE shown below). The code keeps the count of ...
3
votes
2answers
2k views

Length parameter for vertical skip space in a math environment?

I learned here that I can use \\[<len>] to explicitly set the vertical skip space between lines, e.g., <len> set to 3ex. I'd like to set <len> to, say, 2-times the normal length in ...
3
votes
4answers
73 views

creating a newenvironment with cite

This is my first question here. I would like to create a new environment, call it "citar", which makes those things : basic "quote" features, + : open and close french quotes, get the text in ...
3
votes
1answer
100 views

\takeargs{n} = take n arguments and print them, space separated?

I'm looking for a command \takeargs{n} (in either TeX or LaTeX) such that f \takeargs{n} {x_1} ... {x_n} = f\ x_1\ ...\ x_n , that is (if I understood that part) \takeargs{0} = \takeargs{n} ...
3
votes
2answers
64 views

new command for nested enumerate with variable arguments

I have some text that I want to turn into a template which looks like this: Extensions: \begin{enumerate} \item[2.a] xyz \begin{enumerate}[i.] \item a \item b ...
3
votes
1answer
277 views

How to define optional arguments for custom pgfplots style

I see from other question that it is possible to create styles with parameters. Like \pgfplotsset{ custom style/.style 2 args{ % code that uses #1 and #2 } } However, I can't find a way of ...
3
votes
1answer
112 views

Quotation around text without using brackets

I am using the csquotes package and its \enquote{TEXT IS HERE} very often. Instead of \documentclass[12pt]{article} \usepackage[top = 1in, bottom = 1in, left = 1in, right = 1in]{geometry} ...
3
votes
1answer
73 views

Get confused about the `command` option in some ConTeX \setup*

Since I switched to ConTeXt from plain TeX, I always get confused about macros in it. Now it is the command option in \setup* of ConTeXt. In ConTeXt, some macros, like \setuphead, \setuplist, have ...
3
votes
1answer
35 views

edit an enviroment to add to a new extra parameter

I'm trying to define a new \newenviroment but I'm having some problems. I need an enviroment that uses a counter and uses an extra parameter to write some text. I'm working with this enviroment: ...
3
votes
1answer
50 views

How to pass parametres to an external file included by `\input{<filename>}`

I have a class file to set up agreements. I want to define a command that choose boilerplate text to include using a parameter pass a parameter to the included file to run a test and choose correct ...
3
votes
1answer
252 views

renew section command with args

How can I renew the section command to include some additional arguments and start a multicolum section? something like: \section{title}{toc-title}{picture}{second picture}{subtitle}{author} I just ...
3
votes
2answers
1k views

Macro that inserts arguments into an environment

I'm having a bit of an issue trying to get a piece of code up and running. I'm working on extending python.sty file for embedding python into a LaTex document (adding persistent data and the ability ...