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tikZ | Indicate further Vertices

LaTeX Forum: Graphics, Figures & Tables

nodesTikZAdd tags Information and discussion about graphics, figures & tables in LaTeX documents.

Postby RichardLang on Wed Jan 30th, 2013

Hi,

I use tikZ to draw graphs. In the picture below, I'd like to indicate that the vertices v_1, v_2 and v have neighbours that are not shown in the picture. I was thinking about a little cone or something similar, but I've no idea how to implement that.
Code: Select all  •  Open in online LaTeX editor
\documentclass[11pt,a4paper]{article}
\usepackage[T1]{fontenc}
\usepackage{tikz}

\begin{document}
  \begin{figure}[!ht]
    \centering
    \tikzstyle{vertex}=[circle,draw, minimum size=12pt,inner sep=0pt]
    \tikzstyle{edge}=[draw,-]
    \tikzstyle{weight}=[font=\small]
    \begin{tikzpicture}
      \foreach \pos/\name in {{(1,3)/v_1}, {(1,2)/v}, {(2,2)/w_2},{(0,2)/w_1},{(1,1)/v_2}, {(2,3)/v_3}}
        \node[vertex] (\name) at \pos {$\name$};
      \foreach \source/ \dest /\weight in {v_1/v/5, v_1/w_1/3,v_1/w_2/3,v/w_1/2, v/w_2/2, v_2/v/5 , v_2/w_1/3 , v_2/w_2/3, v/v_3/1 }
        \path[edge] (\source) -- node[weight] {} (\dest);
      \foreach \vertex in {}
        \path node[selected vertex] at (\vertex) {$\vertex$};
    \end{tikzpicture}
  \end{figure}
\end{document
}

It would be great if someone could help me out here or just post an example.


Thanks in advance
Richard
RichardLang
 
Posts: 2
Joined: Wed Jan 30th, 2013

Postby percusse on Sun Feb 10th, 2013

Where would you put those cones with respect to the nodes? You can also consider drawing dashed lines (a web-like structure) in the background to indicate that there is more to the graph than it is already being shown.
percusse
 
Posts: 3
Joined: Mon Nov 12th, 2012

Postby RichardLang on Mon Feb 11th, 2013

Thanks for the answer! I would like to produce something like in the picture of page 2 of this article:

http://www.nishizeki.ecei.tohoku.ac.jp/ ... J/J147.pdf
RichardLang
 
Posts: 2
Joined: Wed Jan 30th, 2013


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