Questions tagged [lengths]

{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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3
votes
1answer
196 views

How to get the available space for an image

I want to design a figure (in a external graphics editor, e.g, Illustrator) to exactly fit (without scaling!) the whole available space on an empty page of my document minus the caption of the figure. ...
11
votes
3answers
669 views

Why is a 10bp picture environment not 10bp?

Example: \documentclass{article} \begin{document} \newlength{\picwidth} \setlength{\unitlength}{1bp} \settowidth{\picwidth}{\begin{picture}(10,10)\end{picture}} \typeout{width: \the\picwidth} \...
4
votes
1answer
2k views

Local scoping of textfloatsep

I was wondering if you can set the scope of \textfloatsep locally. I have found an old thread on Google groups, which points out that you couldn't. Has that changed by now? So what I want to do is ...
1
vote
2answers
65 views

Why is the width in nwu-lecture-style not working? [closed]

It seems that the code in nwu-lecture-style: \insertshortauthor[width=2cm-2pt,center,respectlinebreaks]\par% is not working? I tried: \insertshortauthor[width=2cm minus 2pt,center,respectlinebreaks]...
1
vote
1answer
251 views

Set a length that will adopt tikz's global lengths

I am trying to draw a rather simple tikz picture that consists of some very acurately defined levels. My code is \documentclass{article} \usepackage{tikz} \usetikzlibrary{plotmarks} \newlength{\...
3
votes
1answer
163 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 ...
10
votes
2answers
7k views

How to calculate a new length?

What I want to do is calculate the actual size between the edge of the paper, and my header. \evenmarginsize and \oddmarginsize do not do this. \settowidth{\msize}{((\paperwidth - \textwidth)/2)} ...
7
votes
3answers
359 views

A version of \smash that interpolates between the true height/depth and the text-height/depth of the current line

I have a paragraph of text that includes a "deep" math symbol, one that dips below the ordinary bottom of the text a little. Originally I had nothing below that symbol; it was near the end of the ...
10
votes
1answer
241 views

How to set a box to a rubber length width

Problem I'm trying to create fancy section heading using titlesec. I need to put the section name into a \parbox to have line breaks. I want the parbox to extend to the far right margin, but I don't ...
3
votes
1answer
2k views

Settting PGFplots axis environment options by means of \newcommand and {\newlength,\setlength}

Because I often use the same options for multiple axes in my LaTeX documents, I use the following code to simplify my life. \documentclass{article} \usepackage{pgfplots} \newcommand{\linecolora}{blue}...
42
votes
2answers
8k 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 ...
4
votes
1answer
195 views

Writing to and extracting from aux not working?

Consider the following MWE: \documentclass{article} \newlength{\templen} \makeatletter \AtEndDocument{% \immediate\write\@auxout{\noexpand\setlength{\noexpand\templen}{150pt}}} \makeatother \begin{...
5
votes
1answer
370 views

How do I access the width of text from the preamble?

I've got some macros that I want to set up in my preamble. The problem is that they need to know what the width of a typical line of text will be in the document. If I do something like, %% ...
17
votes
3answers
10k 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 with ...
2
votes
1answer
134 views

Conditional use of multicol

I'm using the multicol package to get two columns, but sometimes the contents is too wide in a particular column and I was wondering if there is a way to first make sure the contents will fit (...
1
vote
0answers
29 views

Behavior of \global when used with xifthen package [duplicate]

I'm trying to calculate the sum of some numbers in my document. I want to allow non-integer values, so I'm using lengths, which works just fine. In my document it's often necessary to specify the ...
5
votes
2answers
868 views

Measuring line length, using \hfill to justify text, wrapping and right justifying if space too small

I am a lecturer and have an issue when compiling test and exam questions. The questions will be in an enumerate environment and look something like this, where the marks shown in brackets are right ...
6
votes
3answers
1k views

Vertically center image with text midpoint

I want to vertically align the center of an image with the vertical center of the text on the same line using \raisebox. Using a macro is a must since it will be used many times (and multiple times on ...
2
votes
1answer
201 views

Limitations associated with getting length as number

I am representing actual object dimensions with scaled down graphics which capture the relative proportions of the objects (for instance, imagine a simple set of three or four line segments). I would ...
4
votes
1answer
725 views

How to preserve lenghts to use with \includegraphics scaling, when calculating them with pgf

This question is related to my earlier question here: How to define a macro that uses image width and height to define a variable for later use . There you can find a full MWE of the problematic code. ...
4
votes
3answers
415 views

angled lines of unkown length in TikZ

I am trying to create angled lines from a point to specific border. Here is a minimal example: \documentclass[margin=2mm]{standalone} \usepackage{tikz} \begin{document} \begin{tikzpicture} \...
9
votes
1answer
118 views

Test if a skip has an infinite stretch/shrink component

I want to implement an if-then-else depending on whether a skip contains a special character or not. So far, I tried the idea: convert the skip to a token list, and check if the letter f is in the ...
7
votes
1answer
417 views

How to set lengths only for a specific environment (parindent for paracol in this case)?

Is it possible to set a length specifically for an environment? I know it is possible to change lengths for parts of the document only, by placing the \setlength command between {}, but when using an ...
5
votes
2answers
1k views

How to use \textwidth (or any variable) in a picture environment

I don't understand why this doesn't work. I am getting a compile error. Am I missing something? \documentclass[12pt,a4paper]{article} \begin{document} \begin{picture}(0,0) \linethickness{1....
2
votes
1answer
2k views

How can one produce spaces of arbitrary (fixed or relative) width that (do or don't) linebreak?

Adobe InDesign lets me insert a wide variety of spaces: over half a dozen spaces that allow for a line break (let's assume for the purpose of this question that they disappear in case of a line break,...
5
votes
1answer
4k views

algorithm2e and \algomargin with negative value

How can I use a negative length in \algomargin using algorithm2e? I get the unpleasant effect that the vertical lines and the caption are not moved accordingly, see for example: Note that this image ...
2
votes
1answer
115 views

Store a ratio value in command and then use it to recalculate a length?

I want to store a ratio value in a command, e.g. \newcommand{\ratio}{0.7}, and then use it in recalculating a length, e.g. \setlength{\somelength}{\ratio*\width}. Using lengths to store the ratio ...
6
votes
1answer
945 views

How to align underlined text and a horizontal line created with \rule

As described in this question I'm using the tocloft package to customize the table of contents. We are putting a horizontal line under the whole section text up to the page number. Therefore we ...
5
votes
1answer
220 views

How can I compare the width of a paragraph to 45% of the linewidth?

Here's my pseudo latex code to try and show what I'm trying to do in my memo latex class: \newcommand\headername{%should be the @memoto, or if too long, an abbreviated subject \ifthenelse{\...
16
votes
3answers
3k views

Why doesn't \settoheight of \parbox work?

Consider the following code: \documentclass[a4paper]{letter} \usepackage{calc} \usepackage{printlen} \newsavebox{\foobox} \newlength{\fooboxheight} \savebox{\foobox}{ \parbox[t]{\textwidth}{...
18
votes
2answers
895 views

Defining a dimension with or without @

If I am writing a TeX package (as one can find such on CTAN), there are following approaches to define a new dimension length that should be changeable by a user of that package. Approach A: Define ...
13
votes
3answers
2k 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 \newcommand{\breaknote}{\noindent\rule[.5ex]{.5\textwidth}{.4pt}\S\...
3
votes
1answer
2k views

Trouble setting a length [closed]

I'm starting with LaTeX, and there are things that puzzle me. I'm trying to set a length that's the \textwidth minus (let's say for example) two inches. In the preamble, I wrote: \newlength{\bplen} \...
7
votes
1answer
695 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 ...
45
votes
3answers
48k views

Determine text width

For sizing figures in LaTeX it's helpful to know how wide the text is so that figures can be sized to match without rescaling. LaTeX provides \textwidth for reference by other commands, e.g. \...
11
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
241 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 ...
6
votes
1answer
1k 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
3k 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% ...
50
votes
2answers
7k views

Is there a \show for lengths?

The \show command is extremely useful for figuring out what's going on with a particular macro. Similarly, using \the can tell me the value of a counter. I'd like to know if there's something ...
1
vote
1answer
3k views

Set the length of 1ex

How can I set the length of 1ex? I tried \setlength{1ex}{4.40999pt} but I get errors.
26
votes
3answers
9k 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. \let\defaultlinewidth\...
5
votes
2answers
179 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
584 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 ...
4
votes
1answer
693 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}} \newcommand{\incs}...
2
votes
1answer
189 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. ...
22
votes
4answers
4k 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} \...
7
votes
2answers
1k 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 ...
14
votes
2answers
6k 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{} ...