10.8.3 clipPoly



  \begin{texgraph}[export=pgf,name=clipPoly]
   ModelView(central), Marges(0,0,0,0), size(7.5),
   view3D(-3,3,-3,3,-3,3),
   S:=clipPoly( Sphere( M(1,0,1),3,30,15) ),
   HideWidth:=8, drawWin3d(0),
   DrawFacet(S, [color:=steelblue]),
   drawWin3d(1)
  \end{texgraph}

 PIC



clipPoly