\psset{lightsrc=50 10 30}
\psset{viewpoint=50 60 10 rtp2xyz,Decran=50}
\begin{pspicture*}(-6,-2)(6,10)
\psframe*(-6,-2)(6,10)
\psSolid[object=grille,base=-4 4 -4 4,action=draw**,ngrid=4,linecolor=red]%
\psSolid[object=new,RotX=90,RotZ=0,hue=0 0.1 0.8 1,hollow,incolor=yellow!50,
    sommets= (sommets_agu.dat) run,linewidth=0.5\pslinewidth,,unit=15,
    faces={(faces_agu.dat) run}]%
\end{pspicture*}