[Xy-pic] Difference between dvi and pdf output
Michael Barr
barr at math.mcgill.ca
Mon Sep 17 19:36:48 CEST 2012
Can anyone explain the difference in ouput between this file:
\documentclass{article}
\pdfoutput1
\usepackage{xy}
\begin{document}
\begin{xy}
0;<1cm,0cm>:
(8,3) *\cir<2cm>{},
(8.3,2.7) *\cir<1.4cm>{},
(6.4,3.1) *\cir<0.2cm>{}
\end{xy}
\end{document}
and this one:
\documentclass{article}
\pdfoutput0
\usepackage{xy}
\begin{document}
\begin{xy}
0;<1cm,0cm>:
(8,3) *\cir<2cm>{},
(8.3,2.7) *\cir<1.4cm>{},
(6.4,3.1) *\cir<0.2cm>{}
\end{xy}
\end{document}
They differ only in the output chosen. The first gives pdf and the
second dvi.
Incidentally, the second output is duplicated if the \usepackage{xy}
precedes the line \pdfoutput1, which I find doubly bizarre.
Michael Barr
--
The modern conservative is engaged in one of man's oldest exercises in
moral philosophy--the search for a superior moral justification
for selfishness. --J.K. Galbraith
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