POV-Ray : Newsgroups : povray.binaries.images : Julia fractals : Re: Julia fractals Server Time
5 Nov 2024 20:19:55 EST (-0500)
  Re: Julia fractals  
From: Jellby
Date: 30 Dec 2008 08:39:47
Message: <qcjp26-r0a.ln1@badulaque.unex.es>
Among other things, Carlo C. saw fit to write:

> Simple but beautiful, and I prefer the second.

The second has some "problems" that are mitigated with the focal blur and
reflective surface. Other artifacts disappear when the precision is
increased, not these (I tried up to 20000), I wonder if they are "features"
of this object.

camera
{
  location  < 0.0 , 0.0 , -2.8 >
  look_at   < 0.0 , 0.0 , 0.0 >
  up        < 0.0 , 1.0 , 0.0 >
  right     < 1.0 , 0.0 , 0.0 >
}

light_source {
  < -20.0 , 20.0 , -20.0 >
  color rgb < 1.0 , 1.0 , 1.0 >
}

#declare Background = < 0.1812 , 0.1317 , 0.0120 > ;
#declare Point = < 0.2642 , 0.2837 , 0.3712 , -0.0788 > * 2 ;
#declare Vector = < -0.6886 , -0.6925 , 0.1043 , 0.9352 > ;
#declare Distance = 0.0130 ;
#declare Rotation = < 59.71 , 148.16 , 297.20 > ;

background {
  color rgb 1
}

julia_fractal {
  Point
  quaternion
  sqr
  max_iteration 7
  precision 200
  slice Vector, Distance
  texture {
    pigment { color rgb 1 }
  }
  scale 0.85
  rotate Rotation
}

-- 
light_source{9+9*x,1}camera{orthographic look_at(1-y)/4angle 30location
9/4-z*4}light_source{-9*z,1}union{box{.9-z.1+x clipped_by{plane{2+y-4*x
0}}}box{z-y-.1.1+z}box{-.1.1+x}box{.1z-.1}pigment{rgb<.8.2,1>}}//Jellby


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