Playing around with Warps recently posted function. It immediately reminded
me of either a seed PoD or a microscopic image of a pollen spore.

Question for the Guru's   -  Why is it that when bounding is removed this
object is a unit sized box object but when bounding is enabled the object
fills the bounding volume ?


Function for those interested in such things -

camera { location <5,10,-20>*4 look_at 0 angle 39 }
light_source { <100,200,-150> 1 }

isosurface
{ function
  { (sin(sqrt(-x*x+y*y)-pi/2)-z)^2+
    (sin(sqrt(-x*x+z*z)-pi/2)-y)^2+
    (sin(sqrt(-y*y+z*z)-pi/2)-x)^2-20^2
  }
  accuracy .01
  max_trace 1
  threshold 0
  bounded_by { box { -30,30 } }
  pigment { rgb y } finish { phong -.5 specular .5 }
}

-- 
Ken Tyler -  1300+ Povray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/

Post a reply to this message

Attachments:
Download 'isotest.jpg' (28 KB)

Preview of image 'isotest.jpg'