10.2.6 Clip3DLine



  \begin{texgraph}[name=Clip3DLine, export=pgf]
   view(-5,5,-5,5),view3D(-4,4,-4,4,-4,4),
   size(7.5),plan:=[Origin,vecJ],
   C:=for t from -2*pi to 2*pi step 0.1 do
      [2*exp(i*t),t/3] od,
   L:=Clip3DLine(C,plan,0,L’),
   Ligne3D([M(0,-4,0), Origin],0),
   Color:=blue, Ligne3D(L’,0),
   FillStyle:=full, FillColor:=gray,
   FillOpacity:=0.8, Color:=black,
   DrawPlan( [Origin, vecJ], vecI,5,5),
   FillStyle:=none,
   Yinf:=0, Axes3D(0,0,0),
   Color:=red, Ligne3D(L,0)
  \end{texgraph}

 PIC



Clip3DLine