{lengths} is for questions dealing with measurements in TeX. If your question is about the spacing between document elements, use {spacing} instead.

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11
votes
3answers
588 views

Retrieve length of a character

I'm creating a custom command which basically prints an horizontal line, a character and another horizontal line. The code would be ...
10
votes
1answer
4k views

How to fix TikZ node's height with \heightof?

I can use \widthof{text} to fix a minimum width of a TikZ's node. I would like to use \heightof{text} to fix its minimum height but it doesn't work. I just want to fill my nodes with one word but I ...
10
votes
1answer
3k views

How do I set \itemsep to rubber length?

I know that I can set \itemsep to any length like this, \setlength{\itemsep}{0pt} But if I want to set \itemsep to a rubber length (e.g. \bigskip), how do I do this? \setlength{\itemsep}{\bigskip} ...
3
votes
1answer
191 views

Changing options based on generated document length

I am creating lots of letters using the scrlttr2 package and some variables that change per letter. The contents of these variables might cause the letter to take up an additional page that I would ...
4
votes
1answer
404 views

retrieve the length of a segment

I want to retrieve the length of a segment in cm for display in a node As in the example below, I would like to display the length of three vectors \documentclass{article} \usepackage{tikz} ...
2
votes
1answer
1k views

\dimexpr \numexpr & calc package

Why doesn't this work? I use Windows, TeX Live 2012 and pdfLaTeX \documentclass{article} \usepackage{calc} \newlength{\perclenght} \setlength{\perclenght}{% \dimexpr% ...
1
vote
1answer
1k views

Set the length of 1ex

How can I set the length of 1ex? I tried \setlength{1ex}{4.40999pt} but I get errors.
3
votes
2answers
650 views

Changing length of an arrows from a vertex to itself

I'm working with LyX. I would like to change the length of an arrow from a vertex to itself. I would like to make the arrow stretch longer up before returning down to the encircled vertex. The code I ...
18
votes
3answers
2k views

How can I know the default PGF line width?

Is there some macro that will tell me what the default PGF line width is? I have tried creating my own macro by cloning \pgflinewidth before it has been modified, i.e. ...
3
votes
1answer
156 views

Is it at all possible to design a macro that expands to a length? [duplicate]

Possible Duplicate: Get width of a given text as length In an attempt to Compute the x distance between two nodes, the question arose whether it is at all possible to devise A macro that ...
5
votes
2answers
142 views

Can you add a constant value to a length macro?

I have a box that's the full width of the page. I would like to offset it back into the margin a little, but when I do that it no longer reaches the edge of the page. Is it possible to keep using a ...
11
votes
2answers
291 views

Other than syntax what is the difference between \dimen0= and \setlength{}{}?

I have been browsing around for a while trying to find an answer to the above question, and I have found some similar questions along with there answers, so I already have a vague idea how to answer ...
2
votes
1answer
143 views

Convert from float to length

I am using \pst@divide to divide a length in half \setlength{\RLEN}{4cm} \addlength{\RLEN}{\OFFSET} \pst@divide{\RLEN}{2cm}\RLEN ... \setlength{\DIST}{2cm} \addlength{\DIST}{\RLEN} % does not work. ...
7
votes
1answer
932 views

How to get width of equation

If I want to know the width of a text I use \settowidth{\MyLength}{bla}. Is there something similar for equations? More specifically I have \begin{align} a & b & c & d\\ c & d ...
7
votes
1answer
234 views

\parskip stretches more than expected

I wonder if I get something wrong with TeX’s glue concept. If define a length to be 2pt plus 1pt minus 1pt I expect that the length should be exactly 2pt where possible an if not it should be between ...
18
votes
4answers
2k views

A line of length \textwidth in TikZ

Why does the following latex document: \documentclass{minimal} \usepackage{tikz} \begin{document} \noindent \begin{tikzpicture} \draw (0,0) -- (\textwidth,0); \end{tikzpicture} ...
22
votes
5answers
364 views

Test if a given control sequence is a length register

I'm in need of a macro which receives a control sequence as argument and needs to branch if this macro is actually a length (of any kind, e.g. dimen, skip etc.) or "just" a normal macro (including one ...
4
votes
2answers
565 views

Visual debugging of lengths in paragraphs and environments?

During my searches, I found a couple of online images, which I doubt are produced with Latex - however, I found them immensely useful in understanding what is going on. I'm pretty sure the images ...
9
votes
2answers
392 views

Page geometry discrepancies

In the Companion 2nd Edition Table 4.2 shows page geometry values for various font sizes of the letterpaper paper size. These differ sometimes substantially from current values of the standard ...
4
votes
1answer
474 views

Lengths and for-loops

It seems that lengths are not updated in for loops. Compiling the code below: \documentclass{article} \usepackage{tikz} \newlength{\test} \newcommand{\inc}{\addtolength{\test}{1cm}} ...
9
votes
1answer
299 views

How to compute exact width added by \left. \right

I have defined macros to produce resizable brackets that also work across line breaks. This necessitated the use of and additional set of \left. and \right. which add a bit of horizontal space. ...
12
votes
2answers
4k views

How to use \widthof as parameter to \kern

I sometimes encounter a problem when I attempt to use \widthof from the calc package, and don't know why. In the past I have just worked around it using a two step process of defining a \newdimen{} ...
21
votes
3answers
4k views

How do I get the exact dimension of a picture in LaTeX?

This question is pretty simple: I'd like to have the possibility to get the exact size of a picture in LaTeX with, for example, the macro \the. In fact, I've founded the way \settoheight{} and so on, ...
8
votes
1answer
353 views

calc package incompatible with \setlength in \g@addto@macro?

I want to systematically have some indentation in \parboxes and minipage environments. To do this, I add the following code in the preambule of my LaTeX file: \makeatletter ...
10
votes
2answers
1k views

What is the plain TeX equivalent of \settowidth?

The \settowidth command, which sets a width equal to the width of some text, is described at Get width of a given text as length and How to set the width of the label of a description to the width of ...
12
votes
5answers
1k views

Push/Pop or save a length/dimension?

Is it possible to push or pop a length like parindent? I want to change it temporarily but reset it soon after. I have a solution but looking for something a little nicer. I'll post it as an answer.
11
votes
2answers
142 views

Does a space belong after pt?

Does a space always belong after pt, e.g. as used in \hskip1pt? If a space is used, are there situations where a space will appear where it is not intended? If no space is used, will pt be ...
10
votes
3answers
3k views

Nominal values for \parindent and other paragraph metrics

In memoir, when I run \documentclass{memoir} \begin{document} \showthe\parindent \end{document} I get: 17.62482 pt My questions are : Why that value? This number seems to capture something ...
5
votes
1answer
5k views

How do you increase headrule length in fancyhdr?

It's pretty well-known how to increase the headrule width, but how do I increase its length (i.e. let it run into the margin).
4
votes
2answers
805 views

Problem with \makebox and the unit in the dimensions

I want to superpose a text to some other object (in this aces a picture). My idea is to store the picture in \mabox, to display it with in a \makebox with 0 width and height, then to display the text ...
6
votes
1answer
247 views

Usage of a saved dimension in another saved dimension in a \pgfdeclareshape command

I have a question about \saveddimen usage inside of a \pgfdeclareshape command. My code is as follows: \documentclass{article} \usepackage{tikz} %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % ...
4
votes
1answer
526 views

Better alignment for enumitem list

In the following screenshot, the alignment of the 2nd A) and the space between the label of the 2nd list and the fraction have been obtained empirically n: see \hspace*{1.375em} and ...
8
votes
2answers
420 views

How does the enumitem package place the labels?

In the following screenshot, I would like the 1st item A) in the inline mode to be at the same level of indentation of the labels A) to D) in the first list. To do that I would like to know how the ...
4
votes
1answer
235 views

Measure and retain lengths between tabular rows

I need elements in a tabular environment to set some lengths and be able to access these lengths in another row of this same table. But it appears that adding \global in front of \settoheight and ...
24
votes
2answers
32k views

What is the difference between \hspace*{\fill} and \hfill?

In the memoir manual on page 183 ,this example is given: \begin{figure} \centering \hspace*{\fill} {ILLUSTRATION 1} \hfill {ILLUSTRATION 2} \hspace*{\fill} \caption{Example float with two ...
5
votes
1answer
355 views

Is it possible to remove length, counter, dim, etc that have been declared?

Let's see the following screenshot taken from an answer of Efficient ways to anonymize a document and the given comment. Is it possible to remove length, counter, dim, etc, that have been declared ...
6
votes
2answers
1k views

medskipamount, default value in article class

What is the default value of medskipamount in the article class? I have not been able to locate this information. Is there some database where default values of various parameters can be accessed?
2
votes
1answer
930 views

How to set scrlttr2 refvpos automatically based on address length

I am creating an letter options (lco) file that I will use for multiple letters. The scrlttr2 class is designed for a fixed placement of the address field, and places the date at a fixed position from ...
22
votes
2answers
2k views

How to preserve the same parskip in minipage

I have following structure: \begin{document} Paragraph1. Paragraph2. \begin{minipage} Some paragraph1. Some paragraph2. \end{minipage} \end{document} How can I make the same spacing between ...
96
votes
2answers
67k views

Lengths and when to use them

There are many lengths in LaTeX. For instance, \enskip, \enspace, \quad, \parskip, \smallskip, ... Some of them are mostly used for vertical spacing, some others are mostly used for horizontal ...
3
votes
1answer
991 views

Multiplying a length by a factor

I am trying to create a package that will use grid typesetting (in the humanities, so not much of a problem) but that should allow the user to freely set the \baselinestretch. I am using the memoir ...
6
votes
2answers
894 views

Add two lengths in raisebox argument, without the calc package

I've seen people use such constructs as \raisebox{-\height+\baselineskip}{...}, which works well using the calcpackage. What equivalent would you use to achieve the same behaviour without the calc ...
4
votes
2answers
894 views

fontsize setting with newcommand and newlength

How do I set a \newcommand so that the field #1, which is calculated to be 1.2*#2 Optional? Something similar to the following commands, but that did not work. \documentclass{article} ...
10
votes
2answers
492 views

How can I globally set pgfmathsetlength?

How can I declare a length via pgfmathsetlength global? The example results in 20pt -- 5pt -- 20pt But I had expected: 20pt -- 5pt -- 5pt \documentclass[10pt]{article} \parindent0pt ...
14
votes
4answers
2k views

Conversion pt to mm or cm

Is there any way how to convert pt to mm or cm in plain TeX?
1
vote
1answer
350 views

Use pgfplots and a custom length to define global width when inputing the plot

I'm trying to set the width for all my plots, that are defined in other files and imported into the main document, using a custom width, \sz. I'm trying to set this length because I want to change it ...
6
votes
1answer
390 views

What does a number followed by “ in” mean?

The TeX syntax highlighter that I use colors all occurrences of a number followed by " in", e.g. 0 in or 32 in in a dangerous bright red, in almost all contexts. Why?
5
votes
1answer
674 views

TikZ, foreach and sum

I'm trying to create a list of rectangles of various sizes, starting at the end of the previous rectangle. I'm using a foreach loop with a TeX length, but I don't get the result I want, and I really ...
3
votes
2answers
1k 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 ...
9
votes
2answers
2k views

How to enable use of minus and plus in tex documents?

I see many cls files using plus and minus operators to set lengths. How can I use these operators (or some equivalent macro(s)) to do something like the following? \setlength{\lengtha}{.5\textwidth} ...