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LaTeX-examples/documents/GeoTopo/figures/topology-jordan.tex
2013-11-08 20:34:20 +01:00

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% Code from Christian Feuersänger
% http://tex.stackexchange.com/questions/54794/using-a-pgfplots-style-legend-in-a-plain-old-tikzpicture#54834
% argument #1: any options
\newenvironment{customlegend}[1][]{%
\begingroup
% inits/clears the lists (which might be populated from previous
% axes):
\csname pgfplots@init@cleared@structures\endcsname
\pgfplotsset{#1}%
}{%
% draws the legend:
\csname pgfplots@createlegend\endcsname
\endgroup
}%
% makes \addlegendimage available (typically only available within an
% axis environment):
\def\addlegendimage{\csname pgfplots@addlegendimage\endcsname}
%%--------------------------------
% definition to insert numbers
\pgfkeys{/pgfplots/number in legend/.style={%
/pgfplots/legend image code/.code={%
\node at (0.295,-0.0225){#1};
},%
},
}
\begin{tikzpicture}
\draw[draw=white,pattern=north west lines, pattern color=blue] (-1.5,-1.5) rectangle (1.5,1.5);
\draw[fill=white] (0cm,0cm) circle(1cm);
\draw[fill=white,thick,pattern=dots, pattern color=red] (0cm,0cm) circle(1cm);
\begin{customlegend}[
legend entries={ % <= in the following there are the entries
au{\ss}en,
innen,
Jordankurve
},
legend style={at={(4.5,1.5)},font=\footnotesize}] % <= to define position and font legend
% the following are the "images" and numbers in the legend
\addlegendimage{area legend,pattern=north west lines, pattern color=blue,draw=white}
\addlegendimage{area legend,pattern=dots, pattern color=red,draw=white}
\addlegendimage{thick}
\end{customlegend}
\end{tikzpicture}