Doppel Linie mit doppelter Dekorierung (beide Richtungen, nicht am Ende) mit TikZ?

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
\documentclass{article} \usepackage{tikz} \usepackage{xcolor} \usetikzlibrary{decorations.pathmorphing} \usetikzlibrary{decorations.markings} \usetikzlibrary{knots} \begin{document}
\tikzset{    doblewarrows/.style={draw=blue,postaction={decorate}, double distance=6pt, double},
        decoration={markings,mark=at position .78 with {\arrow[draw=blue!50!black]{>}}},    arrowsonline/.style={draw=blue,postaction={decorate}},
        decoration={markings,mark=at position .78 with {\arrow[draw=blue!50!black]{>}}}
        }
Ich kriege: \begin{tikzpicture} \draw[doblewarrows] (0,0) -- (1,1); \end{tikzpicture} \\
wobei ich mir Folgendes w\"unsche:\\
\begin{tikzpicture} \draw[arrowsonline] (.09,0) -- (1.0,0.91); \draw[arrowsonline] (.91,1) -- (0,.09) ; \end{tikzpicture}
Dazu auch Kompatibilit\"at mit beliebigen Formen, etwa:\\ \begin{tikzpicture} \draw[doblewarrows] (3,0) arc (180:360: 2 and .8);
\end{tikzpicture}
\end{document}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX