%% %% Ein Beispiel der DANTE-Edition %% %% 2. Auflage %% %% Beispiel 15-02-17 auf Seite 722. %% %% Copyright (C) 2016 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. %% %% %% ==== % Show page(s) 1 %% defaultfont:="ptmr8r"; warningcheck:=0; % --- start of displayed preamble in the book --- % --- end of displayed preamble in the book --- % % beginfig(1) u:=2cm; draw (0,0)..(u,u)..(2u,0) dashed withdots withpen pencircle scaled 1.5pt; draw (0,0).. tension 1.5 ..(u,u)..(2u,0) dashed evenly; draw (0,0)..tension 2..(u,u)..(2u,0); pair A,B,C,D; A:=(0,0);B:=(-0.5u,0.5u);C:=(2u,2u);D:=(1.5u,0); draw A..controls B and C..D withpen pencircle scaled 3pt; draw A--B--C--D dashed evenly; draw B withpen pencircle scaled 4pt; draw C withpen pencircle scaled 4pt; endfig; end;