%%
%% Ein Beispiel der DANTE-Edition
%%
%% 1. Auflage
%%
%% Beispiel 15-02-35 auf Seite 752.
%%
%% Copyright (C) 2011 Herbert Voss
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See
http://www.latex-project.org/lppl.txt for details.
%%
%%
%% ====
verbatimtex
%%
\documentclass[]{article}
\usepackage[T1]{fontenc}
\begin{document}
etex
% --- start of displayed preamble in the book ---
input boxes;
% --- end of displayed preamble in the book ---
beginfig(1)
circleit.anfang("Box 1");
fill bpath anfang withcolor 0.5[red,white];
circleit.ende(btex \textit{Box 2} etex);
ende.n = anfang.s - (0,1.5cm);
fixsize(anfang,ende);% BB korrigieren
drawboxed(anfang,ende);
drawarrow anfang.s -- ende.n;
drawarrow anfang.w {dir 225} ..
ende.c cutafter bpath.ende
withcolor red;
drawdblarrow anfang.e {dir -30} .. ende.e;
endfig;
end;
\end{document}
