\usepackage {pstcol}
\begin{pspicture}(0,0)(4,2)\showgrid
  \psellipse[linecolor=green,
             fillstyle=vlines,
             hatchangle=0]
             (1,1)(1,0.5)
  \pswedge[fillstyle=solid,
           fillcolor=lightgray]
          (2.5,1){1}{0}{120}
\end{pspicture}