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/*
:Title: Graph of graphs
:Tags: PGF
This example shows that node content is not limited to text and math.
You can for instance insert graphics and create this weird graph of graphs.
Download the PDF and zoom in to see the details.
Generated with::
$ neato -Txdot graphofgraphs.dot | dot2tex --crop -fpgf > graphofgraphs.tex
*/
digraph G {
graph [mindist=0.5];
node [shape=plaintext, height=0.5];
edge [style="black!50, thin,-to"];
a_1 [texlbl="\raisebox{-.4\height}{\includegraphics[height=30bp]{balls.pdf}}"];
a_2 [texlbl="\raisebox{-.4\height}{\includegraphics[height=30bp]{pgfsnakes.pdf}}"];
a_3 [texlbl="\raisebox{-.4\height}{\includegraphics[height=30bp]{pgfarrows.pdf}}"];
a_4 [texlbl="\raisebox{-.4\height}{\includegraphics[height=30bp]{poltab.pdf}}"];
a_5 [texlbl="\raisebox{-.4\height}{\includegraphics[height=30bp]{subgraphs.pdf}}"];
a_1-> a_2 -> a_3 -> a_4 -> a_5 -> a_1;
a_2 -> a_5;
}
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