Blurred reflection doesn't work on some surfaces parallel to the in the x-y
plane.  (It's a problem for planes and boxes, but not for cylinders.)  The
following scene file illustrates the problem.  The cube on the right has been
rotated ever so slightly, and the problem does not show up.
_______________________________________________________

// +am3 +a0.01 +ac0.999 +r5 +w400 +h225
#version unofficial patch 3.7;
#patch "upov-reflection-roughness" 0.9;

#ifndef (Dolly) #declare Dolly = 0; #end
#ifndef (Boom) #declare Boom = 0; #end

global_settings { assumed_gamma 1  }
#default { finish { diffuse 0.6 ambient rgb 0.16041 } }
camera
{ location <0, 1, -5.6713>
  look_at <0, 1, 0>
  right 1.7778 * x
  up 1.0 * y
  angle 50.3663
  rotate <Boom, Dolly, 0>
}
light_source
{ <-3.3125, 7.6250, -5.7374>, rgb 4045.5
  fade_power 2 fade_distance 0.10417
  spotlight point_at <0, 1, 0> radius 45 falloff 90
}
box
{ -<7, 9, 7>, <7, 9, 7> hollow
  pigment { rgb 1 }
}
plane
{ y, 0
  pigment { checker rgb 0.05 rgb 1 }
}

//============================================

#declare Test = box
{ -1, 1
  pigment { rgb <0.9713, 0.7420, 0.3277> }
  finish
  { ambient 0 diffuse 0
    reflection { 1 metallic roughness 0.0002 }
    specular 1 metallic 1 roughness 0.0002
  }
}

object
{ Test
  translate <-1.1, 1, 0>
}
object
{ Test
  rotate 0.000001 * y
  translate <1.1, 1, 0>
}
_______________________________________________________

POV-Ray version: UberPOV 1.37.0.0-beta.3
Operating system: openSUSE 13.1 GNU/Linux
Hardware: Dell Inspiron 17R, Intel Core i7

Post a reply to this message