#declare PosCam = <40,0,-10>; // Front: <0,0,-40> Cote = <40,0,-10> #declare PointViseParCamera = <0,0,0>; #declare PosLumiere1 = PosCam; camera { location PosCam look_at PointViseParCamera } light_source { PosLumiere1 color rgb 1*<1,1,1> } background { color rgb <0,0,1> } light_source { <0,0,0> color rgb <1,1,1> } object { cylinder { <0, -3, 0>, <0, 3, 0>, 1 open } pigment {rgbt<1,0,0,0>} rotate <180*clock,0,0>} plane { z, 3.1 pigment {rgbt<1,1,1,0>}}