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I've noticed "noise" in some scenes on julia_fractal, like antialias is
turned OFF. Here is example. Please render it and you will see that brighter
parts of object are fine, but parts in shadows got ugly noise. I rendered it
with Antialias=On and Antialias_Threshold=0.3 in INI file (default). I try
to change this options but there were no amendment. Increasing _precision_
won't help.
// begin
#include "colors.inc"
light_source { < 3, 4, -10 > color White }
light_source { < -3, 2, -10 > color White }
light_source { < 0, 0, -4 > color White*.5 }
camera {
location < 0, 0, -5 >
look_at < -1, 2, 0 >
}
julia_fractal
< -0.83, 0.1, -0.83, 0.25 >
slice < 0.5 , -0.5, .5, .5 >, 0
quaternion
cube
max_iteration 6
precision 200
scale 3
translate < 2.5, -0.1, 0 >
rotate < 50, 50, 0 >
pigment {
hexagon
color Pink color Cyan*.7 color Yellow*.4
scale 1.5
}
finish { phong .5 }
}
// end
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