# Cloud with lines as filling in TikZ

I am trying to draw specific portions of a Petri Net with TikZ. For parts of the subnet where the structure does not matter to me I'd like to use a cloud node filled with parallel lines (inspired by my mechanics lecture).

How can I achieve this with TikZ? The regular cloud node shape is being displayed as s simple circle in my file. Here is how I declare my cloud node:

\node[draw, cloud, cloud puffs = 10](cloud){};

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You need to load the appropriate libraries:

\documentclass{article}

\usepackage{tikz}
\usetikzlibrary{shapes.symbols,patterns}

\begin{document}
\begin{tikzpicture}
\node[
draw,
cloud,
cloud puffs = 10,
pattern=north east lines,
minimum width=1cm,
minimum height=0.75cm
]{};
\end{tikzpicture}
\end{document}

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I must have some conflicting packages as your sample still gives me an ellipse with a nice pattern... –  DodoFXP Feb 18 '12 at 12:36
Found the overriding style. It works now. Thanks! –  DodoFXP Feb 18 '12 at 13:06