example-3.13.tex

\documentclass{article}

%% Denote paragraphs with vertical space rather than indenting (not critical)
\usepackage{parskip}

%% Support for URL in introductory text (not needed for main example)
\usepackage{url}

%% *** Enable TikZ ***
\usepackage{tikz}

%% *** TikZ library ***
\usetikzlibrary{positioning}

\begin{document}

%% Introductory Text
Example 3.13 from the book\\
\emph{Unlocking LaTeX Graphics: A Concise Guide to Ti$k$Z/PGF and PGFPLOTS}.\\
For more information, visit \url{https://latex-graphics.com}.
\par\bigskip

%% *** START OF EXAMPLE CODE ***
\begin{tikzpicture}[
      every node/.style={circle,draw}]
  \node (A) {A};
  \node[above right=of A] (B) {B} edge (A);
  \node[below right=7mm of A] (C) {C} edge (A);
  \node[above right=10mm of C] (D){D} edge(B) edge(C);
  \node[right=of C] (E) {E} edge (C) edge (D);
  \node[above right=5mm of E] (F) {F} edge (D);
  \node[above=of F] (G) {G} edge (D) edge (F);
\end{tikzpicture}
%% *** END OF EXAMPLE CODE ***

\end{document}