// PETAL / White Petals '03.12
// By Tsutomu HIGO  URL: http://www.asahi-net.or.jp/~nj2t-hg/

#version 3.5;
global_settings {
  max_trace_level 5
  assumed_gamma 2.2
  }

isosurface {
  function {x*x+z*z-9*sin(15*(y-0.2*(x*x+z*z)))
    *sin(6*atan(z/x)+3*(y-0.2*(x*x+z*z)))*cos(pi*(y-0.2*(x*x+z*z))/6)}
  threshold 0
  max_gradient 300
  contained_by {box {<-3, -3, -3>, <3, 3.2, 3>}}
  texture {
    pigment {color rgbt <0.7, 0.8, 1, 0.6>}
    finish {
      ambient 0
      diffuse 1
      reflection 0.7
      specular 0.8
      phong 0.5
      brilliance 1
      }
    }
  no_shadow
  scale 3
  rotate z*50 rotate y*-40
  }

background {color rgb <0, 0.1, 0.2>}

camera {
  location <-10, 4, 18>
  angle 70.0
  look_at <-1, 2, 0>
  }

light_source {
  <0, 9, 0>
  color rgb <0.3, 0.2, 0.25>
  rotate z*50 rotate y*-40
  }