\begin{figure}[h]
\centering
\resizebox{13cm}!{
\setlength{\unitlength}{1pt}
\begin{picture}(0,0)
\includegraphics{b1fig.eps}
\end{picture}
\begin{picture}(576,432)(0,0)
\end{picture}
}
\vspace{-1cm}
\caption{Parabolic coordinates: mesh and domain shape}
\label{b1fig}
\end{figure}
