	\def\dessin#1#2{
	\begin{figure}[hbtp]
	\begin{center}
	%If you prefer mm use the followin two lines
	%\setlength{\unitlength}{1mm}
	%\fbox{\begin{picture}(100,71)
	\fbox{\begin{picture}(284.5,203.0)
	\special{psfile='DesLotus.ps' hscale=50.0 vscale=50.0}
	\end{picture}}
	\end{center}
	\caption{\label{#2}#1}
	\end{figure}}
