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LaTeX-examples/documents/GeoTopo/figures/topology-halfspace.tex
2013-11-17 21:13:41 +01:00

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\begin{tikzpicture}
\draw [white,step=0.5cm, pattern=north east lines] (0,0) rectangle (2,1);
\draw[very thick] (0,0) -- (2,0);
\node at (2.4,0.5) {$\stackrel{\sim}{=}$};
\begin{scope}[shift={(4,0)}]
\draw[white,pattern=north east lines] ([shift={(180:1cm)}]-0.0,0) arc (180:0:1cm);
\draw[very thick] (-1,0) -- (1,0);
\end{scope}
\end{tikzpicture}