Why are EPS files generated by gnuplot rotated 90 degrees?

#set term post enh color
#set out '1.eps'

set
term post enh color port

#set term post enh color eps
#set out '1.ps'

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edited Mar 22 '12 at 6:28 Mark S. Everitt 7,76831456

asked Mar 22 '12 at 2:11 peifan 62

set
term post enh color

set
out '1.eps'

set term post enh color eps
set ou "1.eps"

set term post enh color eps
set ou "1.eps"
plot x
set ou

\documentclass{article}
\pagestyle{empty}
\usepackage{graphicx}
\begin{document}
\includegraphics{1}
\end{document}