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I find:

\begin{tikzpicture} \draw [->,decorate,decoration=snake] (0,0) -- (2,0); \end{tikzpicture}

in TikZ manual, but dose not work! How can i draw snake edges in automata using tikz?

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  • 1
    Did you load the appropriate \tikzlibrary? Commented Aug 26, 2012 at 18:59
  • Can you please add your full document starting from \documentclass{..... \emd{document} into your question? Commented Aug 26, 2012 at 19:03
  • @percusse Well for some reason or the other, it does not compile on my computer if I do not load \usetikzlibrary{decorations.pathmorphing}. Commented Aug 26, 2012 at 19:08
  • @azetina You are right I was loading pgfplots and somehow it goes through. Commented Aug 26, 2012 at 19:17

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25

The following code compiles:

\documentclass{article} \usepackage{tikz} \usetikzlibrary{decorations.pathmorphing} %\usepackage{pgfplots} %% Using pgfplots package alone works as well. \begin{document} \begin{tikzpicture} \draw [->,decorate,decoration=snake] (0,0) -- (2,0); \end{tikzpicture} \end{document}

This yields the output in the manual.

enter image description here

But as the manual suggests, 

\begin{tikzpicture} \draw [->,decorate,decoration={snake,amplitude=.4mm,segment length=2mm,post length=1mm}] (0,0) -- (3,0); \end{tikzpicture}

yields a better output as follows:

enter image description here

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