El 10/04/16 a las 17:02, clipka escribió:
>> So here's the deal: Get the thing, test the shit out of it and enjoy! :)

   // vignetting
   #declare vignetting_amount=0.3;
   #declare f_vignette=
   function{
     pigment{
       spherical
       color_map{
         [vignetting_amount rgb 0]
         [1 rgb 1]
       }
     }
   }
   tonemapping {
     #declare noise_amount=0.05;
     parameters { red,green,blue,x,y }
     function(r,g,b,x,y) {r*f_vignette(x-.5,y-.5,0).gray}
     function(r,g,b,x,y) {g*f_vignette(x-.5,y-.5,0).gray}
     function(r,g,b,x,y) {b*f_vignette(x-.5,y-.5,0).gray}
   }

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