// Exemplo de arquivo de descricao de cena para POV-ray
// Last edited on 2000-09-21 20:06:05 by stolfi

background{ color rgb < 0.00, 0.03, 0.15 > }

light_source {
  < 14.00, 10.00, 3.00 >
  color rgb < 5.00, 5.00, 5.00 >
} 


camera {
  location  <  -30.00, 4.00, -30.00 >
//  right     <  1.00, 0.00, 0.00 >
//  up        <  0.00, 1.00, 0.00 >
  sky       <  0.00, 1.00, 0.00 >
  look_at   <  0.00, 0.00, 0.00 >
} 

#declare A1 = <0,0,0>;
#declare A2 = <0,0,0>;
#declare A3 = <0,0,0>;
#declare A4 = <0,0,0>;
#declare A5 = <0,0,0>;
#declare A6 = <0,0,0>;
#declare A7 = <0,0,0>;
#declare A8 = <0,0,0>;
#declare A9 = <0,0,0>;
#declare A10 = <0,0,0>;
#declare A11 = <0,0,0>;
#declare A12 = <0,0,0>;
#declare A13 = <0,0,0>;
#declare A14 = <0,0,0>;
#declare A15 = <0,0,0>;
#declare A16 = <0,0,0>;

#declare B1 = <0,-5,-7>;
#declare B2 = <-5,-5,-6>;
#declare B3 = <-9,0,-10>;
#declare B4 = <-12,-4,-8>;
#declare B5 = <0,3,-7>;
#declare B6 = <-5,0,-7>; //*y?
#declare B7 = <-10,0,-7>; //*
#declare B8 = <-13,-5,-7>;
#declare B9 = <0,6,-5>;
#declare B10 = <-5,0,-5>; //*y?
#declare B11 = <-11,0,-5>; //*
#declare B12 = <-14,-5,-4>;
#declare B13 = <0,6,0>;
#declare B14 = <-5,2,0>;
#declare B15 = <-13,3,0>;
#declare B16 = <-14,-5,0>;

#declare pedaco1 =
bicubic_patch {
   type 0
   flatness 0.1
   A1,A2,A3,A4,
   A5,A6,A7,A8,
   A9,A10,A11,A12,
   A13,A14,A15,A16
   texture { pigment {color rgb <0,1,1>}}
}

#declare pedaco2 =
bicubic_patch {
   type 0
   flatness 0.1 
   u_steps 3 v_steps 3,
   B1,B2,B3,B4,
   B5,B6,B7,B8,
   B9,B10,B11,B12,
   B13,B14,B15,B16
   texture { pigment {color rgb <0,1,1>}}
}
// Aqui está a cena, finalmente:

pedaco1

pedaco2
object {pedaco2 scale <1,1,-1>}
sphere { A1,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A2,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A3,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A4,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A5,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A6,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A7,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A8,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A9,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A10,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A11,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A12,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A13,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A14,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A15,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { A16,0.1 texture { pigment {color rgb <1,0,0>}}}

sphere { B1,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B2,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B3,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B4,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B5,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B6,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B7,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B8,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B9,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B10,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B11,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B12,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B13,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B14,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B15,0.1 texture { pigment {color rgb <1,0,0>}}}
sphere { B16,0.1 texture { pigment {color rgb <1,0,0>}}}