%%
%% The LaTeX Companion, 3ed
%%
%% Example 8-3-11 on page I-609 in "High-level line commands (originating from epic or eepic)".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{159.0pt}
%StartShownPreambleCommands
\usepackage{bxeepic}  \setlength{\unitlength}{1pt}
%StopShownPreambleCommands

\begin{document}
\begin{picture}(150,100)(0,0)
  \dottedline{1}(0,00)(50,20)(100,100)(150,0)
\thicklines
  \dottedline{2}(0,0)(30,50)(70,50)(90,30)(150,20)
\linethickness{2pt}
  \dottedline{3}(0,40)(40,0)(60,25)(110,25)(150,60)
\end{picture}
\end{document}