/
euler-paris.tex
37 lines (36 loc) · 1.3 KB
/
euler-paris.tex
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\documentclass{standalone}
\usepackage{tikz}
\usepackage{xltxtra}
\setromanfont{Gill Sans}
\begin{document}
\begin{tikzpicture}[minimum size=5mm]
\node[circle,draw] (00) at (0,0) {$-$};
\node[circle,draw] (20) at (2,0) {$+$};
\node[circle,draw] (02) at (0,2) {};
\node[circle,draw] (22) at (2,2) {};
\node[circle,draw] (04) at (0,4) {$-$};
\node[circle,draw] (24) at (2,4) {};
\node[circle,draw] (42) at (4,2) {$+$};
\draw[->,>=stealth] (00) edge (20) edge (02);
\draw[->,>=stealth] (02) edge (22) edge (24);
\draw[->,>=stealth] (04) edge (02);
\draw[->,>=stealth] (24) edge (22);
\draw[->,>=stealth] (22) edge (00) edge (42);
\begin{scope}[xshift=6cm]
\node[circle,draw] (00) at (0,0) {};
\node[circle,draw] (20) at (2,0) {};
\node[circle,draw] (02) at (0,2) {};
\node[circle,draw] (22) at (2,2) {};
\node[circle,draw] (04) at (0,4) {};
\node[circle,draw] (24) at (2,4) {};
\node[circle,draw] (42) at (4,2) {};
\draw[->,>=stealth] (00) edge (20) edge (02);
\draw[->,>=stealth] (02) edge (22) edge (24);
\draw[->,>=stealth] (04) edge (02);
\draw[->,>=stealth] (24) edge (22);
\draw[->,>=stealth] (22) edge (00) edge (42);
\draw[->,>=stealth,ultra thick,opacity=0.5,color=blue] (20) edge[bend left] (00);
\draw[->,>=stealth,ultra thick,opacity=0.5,color=blue] (42) edge[bend right=10] (04);
\end{scope}
\end{tikzpicture}
\end{document}