dot2tex.tex

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% dot2tex.tex
% An example demonstrating the use of the dot2texi package for drawing diagrams
% in dot syntax and compiling them to Tikz. This process is slower than drawing
% in Tikz, but may be more convenient for simple diagrams.
% This file must be compiled with the "-shell-escape" flag
% https://github.com/mhyee/latex-examples/
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% LaTeX Preamble
% Load packages and set options as needed
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% Set the document class to "article"
% Pass it "letterpaper" option
\documentclass[letterpaper]{article}

% We don't need the special font encodings, but still
% good practice to include these. See:
%
% http://tex.stackexchange.com/questions/664/why-should-i-use-usepackaget1fontenc
% http://dsanta.users.ch/resources/type1.html
\usepackage[T1]{fontenc}
\usepackage{ae,aecompl}
% http://tex.stackexchange.com/a/44699
% http://tex.stackexchange.com/a/44701
\usepackage[utf8]{inputenc}

% Use Latin Modern, an improved version of the Computer Modern font
\usepackage{lmodern}

% Draw in dot format
\usepackage{dot2texi}

% NOTE: tikz is not automatically included!
\usepackage{tikz}
\usetikzlibrary{shapes,arrows}

% Don't indent paragraphs
\usepackage{parskip}

% Disable page numbering
\pagestyle{empty}

% Begin the actual typesetting, by starting the "document" environment
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\begin{document}

% Example taken from "Drawing graphs with dot" by Gansner, Koutsofios, and North
% http://www.graphviz.org/pdf/dotguide.pdf

\begin{dot2tex}
digraph G {
     main -> parse -> execute;
     main -> init;
     main -> cleanup;
     execute -> make_string;
     execute -> printf
     init -> make_string;
     main -> printf;
     execute -> compare;
}
\end{dot2tex}

\end{document}