\documentclass[a4paper]{article} \usepackage{tikz} \usetikzlibrary{shapes,automata,snakes,backgrounds} \usepackage{dot2texi} \begin{document} \begin{figure} \centering \begin{dot2tex}[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} \caption{Simple graph with custom paths} \end{figure} \begin{dot2tex}[neato,tikzedgelabels] graph G { node [shape=circle,style="fill=red!20"]; edge [lblstyle="fill=black!10,inner sep=1pt,sloped"]; K -- F [label="120"]; H -- S [label="650"]; H -- M [label="780"]; D -- B [label="490"]; D -- M [label="600"]; B -- M [label="580"]; H -- N [label="600"]; F -- H [label="490"]; S -- B [label="630"]; S -- N [label="210"]; S -- M [label="230"]; F --M [label="100"]; M -- K [label="test"]; } \end{dot2tex} \begin{dot2tex}[neato,tikz] 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} \begin{dot2tex}[straightedges,fdp] 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} \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{document}