// Last edited on 2003-06-24 19:55:26 by stolfi

#include "colors.inc"

#declare A11=<0,-.3,0>;
#declare A12=<1,-.1,0>; //
#declare A13=<2,-.1,0>;
#declare A14=<3,0,0>; // row 1

#declare A21=<0,-.5,-3>;
#declare A22=<1,-.5,-3>; //
#declare A23=<2,-.5,-3>;
#declare A24=<3,-.5,-3>; // row 2

#declare A31=<0,-1,-3>;
#declare A32=<1,-1,-3>; //
#declare A33=<2,-1,-3>;
#declare A34=<3,-1,-3>; // row 3

#declare A41=<0,-2.0,0>;
#declare A42=<1,-2.5,0>; //
#declare A43=<2,-2.8,0>;
#declare A44=<3,-3,0>; // row 4


#declare B11=A14;
#declare B12=<6,.3,0>;
#declare B13=<9,-.7,0>;
#declare B14=<12,0,0>; // row 1

#declare B21=A24;
#declare B22=<6,-.5,-3>;
#declare B23=<9,-1,-3>;
#declare B24=<12,-.5,-3>; // row 2

#declare B31=A34;
#declare B32=<6,-1,-3>;
#declare B33=<9,-1,-3.0001>;
#declare B34=<12,-1,-3>; // row 3

#declare B41=A44;
#declare B42=<6,-3.6,0>;
#declare B43=<9,-3.6,0>;
#declare B44=<12,-3.3,0>; // row 4


#declare C11=B14;
#declare C12=<13,.35,0>;
#declare C13=<14,.36,0>;
#declare C14=<16,.37,0>; // row 1

#declare C21=B24;
#declare C22=<12.3,-.5,-2.6>;
#declare C23=<12.5,-1,-1.7>;
#declare C24=<14,-.5,-1>; // row 2

#declare C31=B34;
#declare C32=<12.3,-1,-2.5>;
#declare C33=<12.5,-1,-1.5>;
#declare C34=<14,-1,-1>; // row 3

#declare C41=B44;
#declare C42=<13,-3,0>;
#declare C43=<14,-3.6,0>;
#declare C44=<16,-3.8,0>; // row 4

#declare bz_scale = 0.40;
#include "../../bz-things.inc"

#declare A =
  union{
    bicubic_patch {
      type 1 flatness 0.00
      u_steps 4 v_steps 4
      A11, A12, A13, A14
      A21, A22, A23, A24
      A31, A32, A33, A34
      A41, A42, A43, A44
      texture { bz_tx_A }
    }
    object { bz_grid_A }
  }

#declare B =
  union{
    bicubic_patch {
      type 1 flatness 0.00
      u_steps 4 v_steps 4
      B11, B12, B13, B14
      B21, B22, B23, B24
      B31, B32, B33, B34
      B41, B42, B43, B44
      texture { bz_tx_B }
    }
    object { bz_grid_B }
  }

#declare C =
  union{
    bicubic_patch {
      type 1 flatness 0.00
      u_steps 4 v_steps 4
      C11, C12, C13, C14
      C21, C22, C23, C24
      C31, C32, C33, C34
      C41, C42, C43, C44
      texture { bz_tx_C }
    }
    object { bz_grid_C }
  }

#declare scene = 
  union{
    union{
      object { A }
      object { A scale <1,1,-1>}
      object { B }
      object { B scale <1,1,-1>}
      object { C }
      object { C scale <1,1,-1>}
      translate < -8.0, 0.8, 0.0 >
    }
    // object{ bz_axes }
  }

object{ bz_checker_bg }
object{ scene translate bz_rite_pos }
object{ scene rotate -90*y translate bz_left_pos }