Re: Connecting Nodes with two parallel lines

Hello everyone,

the problem lies in the fact that shifts normally have no effect on  
anchored coordinates. If this were the case, then a scale=2 would  
make it impossible to access any nodes anchors sensibly.

Anyway, to solve this particular problem, you have to move the  
xshift=2pt into the node references like this:

\draw[color=blue,solid,<-] ([xshift=2pt]CENTER) -- ([xshift=2pt]PAR);

A bit ugly, bit it should work. The shift options given inside (...)  
*do* apply also to node anchors.

Hoping this helps,
Till

Am 08.01.2007 um 00:51 schrieb Matthias Steinbrink:

> Dear users,
>
> I need to draw a diagram in which some nodes are connected with two
> lines parallel to each other but with different style and arrow
> orientation. I tried to achieve it by the enclosed code but the two
> lines are drawn on top of each other, not next to each other. I  
> guess it
> has to do with the node naming but I cannot figure out how I can  
> get the
> two lines to appear.
>
> I hope someone can help me or point me into the right direction.
>
> Thanks in advance and best regards
>
> Matthias
>
> %%%CODE%%%
> \documentclass{article}
> \usepackage{tikz}
>   \usetikzlibrary{shapes,backgrounds,arrows}
>
> \begin{document}
>   \begin{tikzpicture}
>     %% Declaration of nodes
>     \node (CENTER)              at (7,7)     {\large\bfseries Center};
>     \node[text width=2cm] (PAR) at (6,2.5)   {\small Partner\\City};
>     %% Connection the nodes
>     \draw[color=red,dashed,->] (CENTER) -- (PAR);
>     \draw[xshift=2pt,color=blue,solid,<-] (CENTER) -- (PAR);
>   \end{tikzpicture}
> \end{document}
>
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--
Prof. Dr. Till Tantau <tantau <at> tcs.uni-luebeck.de>
http://www.tcs.uni-luebeck.de

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