## LaTeX

Reading the title and beeing on this site enshures me that you know what LaTeX means and that it's not about some clothings ;).
Beeing a advanced typography-sysem, LaTeX offers a large amout of classes for all different purposes you might imagine. Everything tha can be printed in Letters and schematic graphics - even Notes and Presentations can be LaTeXed... but as beeing such a big system it has it's tricks and traps.
Therefor here some articles about doing different things in LaTeX and for usage with LaTeX.

## LaTeX for Mac

Using LaTeX on Mac is as easy as installing this Package.
Afterwards there exists a Tool (an Editor to be precise) called TeXShop with which you can comfortably write and compile LaTeX-documents on Mac OS X.

## creating sequence diagrams for usage in LaTeX-Documents

LaTeX doesn't offer a comfortable package to draw such diagrams as shown above. Therefor i used the pic-Scriptlanguage that is provided and compiled with the tools from the pic-Macros.
A Script written for these tools can be directly compiled to PostScript-Files or pdf-files (using ps2pdf) and then integrated into an LaTeX-document.
example:

pic2plot -T ps seq.pic > seq.ps
ps2pdf seq.ps
convert -density 300 seq.ps seq.png


To use the pic-Language for creating sequence diagrams you will need a copy of sequence.pic. Place this file into the directory in which you execute the pic2plot command.
Further informations about the pic-Language for sequence diagrams you'll find here and here (german).
The code for the above sequence diagram you can find here.

## linking to other pdf documents in LaTeX

In LaTeX not only you are able to have inner-text- and hyperlinks (urls), but you also can link to other locally stored files (for example .pdf-files). The below snipplet of code shows how to link a file that is in a subdirecotry of the compiled files directory. Of course you should always provide that subdirectory and the linked files if you distribute you pdf-document - therefor it is usefull to only link aga files by their relative path in the filesystem...

\documentclass[12pt]{article}
\usepackage{hyperref}
\hypersetup{
pdfnewwindow={true}
}

\begin{document}
That's a \href{./subdirectory/linkedfile.pdf}{link to another interesting file}, w
which will beeing clicked open the other file in a new window.
\end{document}


The Option pdfnewwindow={true} makes the linked file being opend in a new window.

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