# Example: Drawing a graph

Published 2015-09-25 | Author: Stefan Kottwitz

In graph theory, models and drawings often consists mostly of vertices, edges, and labels. So, it may be possible, to use a simpler language for generating a diagram of a graph.

The tkz-graph package offers a convenient interface.

The code is fully explained in the LaTeX Cookbook, Chapter 11, Science and Technology, Application in graph theory.

Download as: [PDF] [TEX]  •  [Open in Overleaf]

% Drawing a graph
% Author: Stefan Kottwitz
% https://www.packtpub.com/hardware-and-creative/latex-cookbook
\documentclass[border=10pt]{standalone}
\usepackage{tkz-graph}
\GraphInit[vstyle = Shade]
\tikzset{
LabelStyle/.style = { rectangle, rounded corners, draw,
minimum width = 2em, fill = yellow!50,
text = red, font = \bfseries },
VertexStyle/.append style = { inner sep=5pt,
font = \Large\bfseries},
EdgeStyle/.append style = {->, bend left} }
\thispagestyle{empty}
\begin{document}
\begin{tikzpicture}
\SetGraphUnit{5}
\Vertex{B}
\WE(B){A}
\EA(B){C}
\Edge[label = 1](A)(B)
\Edge[label = 2](B)(C)
\Edge[label = 3](C)(B)
\Edge[label = 4](B)(A)
\Loop[dist = 4cm, dir = NO, label = 5](A.west)
\Loop[dist = 4cm, dir = SO, label = 6](C.east)
\tikzset{EdgeStyle/.append style = {bend left = 50}}
\Edge[label = 7](A)(C)
\Edge[label = 8](C)(A)
\end{tikzpicture}
\end{document}


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