SharkD <nomail@nomail> wrote:
> Could you please post an example?

#default { finish { ambient 1 } }
background { rgb z*.5 }
camera { location <0, 0, -10> look_at 0 angle 35 }

#declare ThePattern = function { pattern { gradient y } };
#declare SteppedPattern = function { int(10*ThePattern(x, y, z))/10 };

// Original pattern:
box
{ <-1, -2, 0>, <1, 2, .1>
  pigment
  { function { ThePattern(x, y, z) }
    color_map { [0 rgb 0][1 rgb 1] }
  }
  translate -x*1.1
}

// Stepped pattern:
box
{ <-1, -2, 0>, <1, 2, .1>
  pigment
  { function { SteppedPattern(x, y, z) }
    color_map { [0 rgb 0][1 rgb 1] }
  }
  translate x*1.1
}


-- 
                                                          - Warp

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