On 3/18/2011 11:14 AM, stbenge wrote:
Oops, here's a fixed version:

#declare N_UnitsX = 4;
#declare N_UnitsY = 4;
#declare N_UnitsZ = 4;
#declare RSEED    = seed(1001);

box{0, 1
  pigment{
   gradient z
   pigment_map{

    #local Z=0;
    #while(Z<N_UnitsZ)
     [Z/(N_UnitsZ-1)
      gradient y
      pigment_map{
       #local Y=0;
       #while(Y<N_UnitsY)
        [Y/(N_UnitsY-1)
         gradient x
         pigment_map{
          #local X=0;
          #while(X<N_UnitsX)
           [X/(N_UnitsX-1)

            rgb <rand(RSEED),rand(RSEED),rand(RSEED)>

           ]
           #local X=X+1;
          #end
         }
        ]
        #local Y=Y+1;
       #end
      }
     ]
     #local Z=Z+1;
    #end

   }
  }
  finish{ambient 1}
  translate -1/2
}

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