Graphics, Figures & Tables ⇒ Arrow in middle of loop

[psionman]

I am attempting to produce an arrow half way along a loop. I can produce an arrow half way along a line, but how can I get the arrow in the middle of the loop?

Code: Select all

Code, edit and compile here:

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\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{arrows,decorations.markings}
\begin{document}
\begin{tikzpicture}[scale=1]
      \draw[fill=black](0,0) circle (0.5mm) coordinate(1);
      \draw[fill=black](3,0) circle (0.5mm) coordinate(2);
      \begin{scope}[thick,decoration={markings, mark=at position 0.5 with {\arrow{>}}}]
    \draw[postaction={decorate}] (1) -- (2);
    \tikzset{loop/.style={min distance=10mm,in=-45,out=45}}
    \path [postaction={decorate}](2) edge [loop left] (2);
    \end{scope}
   \end{tikzpicture}
 
\end{document}
 
 
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Run LaTeX here

Thanks

[psionman]

As no one seems to able to help I've used a workaround using

Code: Select all

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\draw [postaction={decorate}] (1) .. controls (a) and (b) .. (1);
 
 
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Thanks to all who read

[Stefan Kottwitz]

Thank you for posting your solution!
I was also wondering how to do it.

Stefan