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+% Examples from the dot2tex documentation
+\documentclass[a4paper]{article}
+\usepackage{tikz}
+\usetikzlibrary{shapes,automata,snakes,backgrounds,arrows}
+
+\usepackage[pgf,outputdir={docgraphs/}]{dot2texi}
+
+\usepackage[active,tightpage]{preview}
+
+\begin{document}
+
+
+\begin{preview}%
+\begin{tabular}{cc}%
+\begin{dot2tex}[mathmode,pgf]
+digraph G {
+ a_1-> a_2 -> a_3 -> a_1;
+}
+\end{dot2tex}
+&\begin{dot2tex}[pgf]
+digraph G {
+ a_1-> a_2 -> a_3 -> a_1;
+}
+\end{dot2tex}
+\end{tabular}%
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[pgf]
+digraph G {
+ a_1 [texlbl="$\frac{\gamma}{x^2}$"];
+ a_1-> a_2 -> a_3 -> a_1;
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[pgf]
+digraph G {
+ a_1 [texlbl="$\frac{\gamma}{2x^2+y^3}$"];
+ a_1 -> a_2 -> a_3 -> a_1
+ node [texmode="math"];
+ a_1 -> b_1 -> b_2 -> a_3;
+ b_1 [label="\\frac{\\gamma}{x^2}"];
+ node [texmode="verbatim"]
+ b_4 [label="\\beta"]
+ a_3 -> b_4 -> a_1;
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[pgf,autosize]
+digraph G {
+ a_1 [texlbl="$\frac{\gamma}{2x^2+y^3}$"];
+ a_1 -> a_2 -> a_3 -> a_1
+ node [texmode="math"];
+ a_1 -> b_1 -> b_2 -> a_3;
+ b_1 [label="\\frac{\\gamma}{x^2}"];
+ node [texmode="verbatim"]
+ b_4 [label="\\beta"]
+ a_3 -> b_4 -> a_1;
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[pgf]
+digraph G {
+ node0 [label="{left|right}", shape=record];
+ node1 [shape=rectangle, label="node 1"];
+ node0 -> node1;
+ rankdir=LR;
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[pgf,options=--valignmode dot]
+digraph G {
+ node0 [label="{left|right}", shape=record];
+ node1 [shape=rectangle, label="node 1"];
+ node0 -> node1;
+ rankdir=LR;
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[pgf]
+digraph G {
+ d2toptions="--valignmode=dot";
+ d2tgraphstyle="anchor=base";
+ node0 [label="{left|right}", shape=record];
+ node1 [shape=rectangle, label="node 1"];
+ node0 -> node1;
+ rankdir=LR;
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[pgf]
+digraph G {
+ d2toptions="--valignmode=dot";
+ d2tgraphstyle="anchor=base";
+ node [fontsize=10];
+ node0 [label="{left|right}", shape=record];
+ node1 [shape=rectangle, label="node 1"];
+ node0 -> node1;
+ rankdir=LR;
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[mathmode]
+digraph G {
+ node [shape=circle];
+ a_1 [texlbl="$x^2+\frac{\sin y}{y^2+\cos \beta}+\gamma_3$"];
+ a_1 -> a_2 [label=" ", texlbl="$x_1+x_3^2+z+c+v~~$"];
+ a_2 -> a_1;
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[mathmode,autosize]
+digraph G {
+ node [shape=circle];
+ a_1 [texlbl="$x^2+\frac{\sin y}{y^2+\cos \beta}+\gamma_3$"];
+ a_1 -> a_2 [label=" ", texlbl="$x_1+x_3^2+z+c+v~~$"];
+ a_2 -> a_1;
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[mathmode,autosize]
+digraph G {
+ node [shape=rectangle];
+ a_1 [margin="0"];
+ a_2 [margin="0.7,0.4"];
+ a_3 [width="2",height="1"];
+ a_1-> a_2 -> a_3 -> a_1;
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}
+digraph G {
+ d2toptions="-tmath --autosize --nominsize";
+ node [shape=rectangle];
+ a_1 [margin="0"];
+ a_2 [margin="0.7,0.4"];
+ a_3 [width="2",height="1"];
+ a_1-> a_2 -> a_3 -> a_1;
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[fdp,straightedges]
+graph G {
+ node [shape=circle, fixedsize=True, width="0.2",
+ style="ball color =green", label=""];
+ edge [style="snake=zigzag, green"];
+ a_1 -- c -- a_2;
+ c [style="ball color=black"];
+ edge [style="snake=snake, blue"];
+ node [style="ball color = red", label=""];
+ a_3 -- c -- a_4 --a_3;
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[circo,mathmode,shell]
+digraph G {
+ graph [mindist=0.5];
+ node [fixedsize=true, shape=circle, width=0.4, style="fill=green!20"];
+ c -> n_1 [style="-stealth"];
+ c -> n_2 [style="-to"];
+ c -> n_3 [style="-latex"];
+ c -> n_4 [style="-diamond"];
+ c -> n_5 [style="-o"];
+ c -> n_6 [style="{-]}"];
+ c -> n_7 [style="-triangle 90"];
+ c -> n_8 [style="-hooks"];
+ c -> n_9 [style="->>"];
+ c [style="fill=red!80"];
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}
+digraph G {
+ node [shape=circle];
+ a -> b [label="label",lblstyle="draw=red,cross out"];
+ b -> c [label="test",lblstyle="below=0.5cm,rotate=20,fill=blue!20"];
+ a [label="aa",lblstyle="blue"];
+ b [lblstyle="font=\Huge"];
+ c [label="ccc", lblstyle="red,rotate=90"];
+ label="Graph label";
+ lblstyle="draw,fill=red!20";
+ rankdir=LR;
+ }
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[tikz,circo]
+digraph G {
+ mindist = 0.5;
+ node [shape="circle"];
+ a -> b [topath="bend right"];
+ c -> b [topath="bend left"];
+ c -> a [topath="out=10,in=-90"];
+ b -> b [topath="loop above"];
+ }
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[tikz,neato,tikzedgelabels,styleonly]
+digraph G {
+ d2tfigpreamble = "\tikzstyle{every state}= \
+ [draw=blue!50,very thick,fill=blue!20]";
+ node [style="state"];
+ edge [lblstyle="auto",topath="bend left"];
+ A [style="state, initial"];
+ A -> B [label=2];
+ A -> D [label=7];
+ B -> A [label=1];
+ B -> B [label=3,topath="loop above"];
+ B -> C [label=4];
+ C -> F [label=5];
+ F -> B [label=8];
+ F -> D [label=7];
+ D -> E [label=2];
+ E -> A [label="1,6"];
+ F [style="state,accepting"];
+ }
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[mathmode,shell]
+digraph G {
+ d2tfigpreamble="\Huge";
+ a_1-> a_2 -> a_3 -> a_1;
+}
+\end{dot2tex}
+\end{preview}
+
+\begin{preview}
+\begin{dot2tex}[tikz,shell,prog=neato,mathmode]
+digraph G {
+ node [shape="circle"];
+ a_1 -> a_2 -> a_3 -> a_4 -> a_1;
+}
+\end{dot2tex}
+\end{preview}
+
+% Define layers
+\pgfdeclarelayer{background}
+\pgfdeclarelayer{foreground}
+\pgfsetlayers{background,main,foreground}
+% The scale option is useful for adjusting spacing between nodes.
+% Note that this works best when straight lines are used to connect
+% the nodes.
+\begin{preview}
+\begin{tikzpicture}[>=latex',scale=0.8]
+ % set node style
+ \tikzstyle{n} = [draw,shape=circle,minimum size=2em,
+ inner sep=0pt,fill=red!20]
+ \begin{dot2tex}[dot,tikz,codeonly,options=-s --styleonly -tmath]
+ digraph G {
+ node [style="n"];
+ A_1 -> B_1; A_1 -> B_2; A_1 -> B_3;
+ B_1 -> C_1; B_1 -> C_2;
+ B_2 -> C_2; B_2 -> C_3;
+ B_3 -> C_3; B_3 -> C_4;
+ }
+ \end{dot2tex}
+ % annotations
+ \node[left=1em] at (C_1.west) (l3) {Level 3};
+ \node at (l3 |- B_1) (l2){Level 2};
+ \node at (l3 |- A_1) (l1) {Level 1};
+ % Draw lines to separate the levels. First we need to calculate
+ % where the middle is.
+ \path (l3) -- coordinate (l32) (l2) -- coordinate (l21) (l1);
+ \draw[dashed] (C_1 |- l32) -- (l32 -| C_4);
+ \draw[dashed] (C_1 |- l21) -- (l21 -| C_4);
+ \draw[<->,red] (A_1) to[out=-120,in=90] (C_2);
+ % Highlight the A_1 -> B_1 -> C_2 path. Use layers to draw
+ % behind everything.
+ \begin{pgfonlayer}{background}
+ \draw[rounded corners=2em,line width=3em,blue!20,cap=round]
+ (A_1.center) -- (B_1.west) -- (C_2.center);
+ \end{pgfonlayer}
+\end{tikzpicture}
+\end{preview}
+
+\end{document}