[OS X TeX] multiline label on TikZ path

[Alan Munn]

At 10:23 AM -0500 1/19/09, Art Werschulz wrote:
>Hi once again.
>
>I would like to have a multiline label on an edge appearing in a 
>TikZ path.  I guessed at the following syntax:
>    \begin{tikzpicture}[shorten >=1pt,on grid,auto,initial text=]
>      \node[state] (2) {$q_2$};
>      \path[->]
>      (2) edge [loop right] node {$0,\varepsilon\to0\\ 1,\varepsilon\to1$} ();
>    \end{tikzpicture}
>hoping that the labels $0,\varepsilon\to0$ and $1,\varepsilon\to1$ 
>would appear as separate labeling lines on the loop,
>but it didn't work; it was as if the \\ was not there.

Try putting it in an array environment.

\begin{tikzpicture}[shorten >=1pt,on grid,auto,initial text=]
      \node[state] (2) {$q_2$};
      \path[->]
      (2) edge [loop right] node {$\begin{array}{c} 
0,\varepsilon\to0\\ 1,\varepsilon\to1\end{array}$} ();
    \end{tikzpicture}

Alan


P.S. It would help to post complete, runnable minimal examples (with 
\begin{document}\end{document} etc.  which also show which tikz 
libraries you are loading.
-- 
Alan Munn						amunn at msu.edu
Department of Linguistics
and Germanic, Slavic, Asian and African Languages		Tel. 
	517-355-7491
Michigan State University, East Lansing MI 48824 USA	Fax	517-432-2736
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