(explenation in general)

Init file for animation :
http://www.raf256.com/pov/iso_bound.ini.txt
mirror of this file :
http://www.raf256.com/pov/iso_bound.pov.txt

(if files will move, they will be somwhere on raf256.com/pov)

btw. am I posting messages here correctly, or should they be as .txt attachments ?

/*
  Isosurface problem (bounding)

  2:4 ratio
  27.10.2002, last ver 0.01 27.10.2002 for 3.5win
  1 unit = 1 m (39.37 inch)
*/

global_settings { assumed_gamma 2.0 max_trace_level 200 adc_bailout 1/64 }
camera { 
  location <0,11,-10>*1.5 look_at  <0,1,1> angle 70                       
  up y   right x*2
}
light_source { <7,12,-10>*100 rgb 1 area_light x*10,y*10,5,5 orient circular adaptive
1 }
background { color rgb <.8,.8,1.0>*.3 }
plane { y,-20 pigment { checker rgb .8 rgb .9  scale 10 } }

// cointeiner size :
#local Clock = clock;
#local s = 2.0 + 4.0 * Clock;

#declare isos = 
isosurface {
  function { x*x + y*y - 1 } 
  contained_by { box { -s, +s } }
  accuracy 0.001   
  max_gradient 4   
  pigment { rgb <1,.2,.2> }
  finish { specular 1 roughness 0.03 reflection .5 }
}

object { isos translate -x*7 }

object { isos translate +x*7 }
// show cointainer :
union {
  #local a=s+0.001;
  #local r=0.08;
  box { -a, +a
    pigment { color rgbf <0.9,1.0,1.0, 0.8> }
    finish { specular 1 roughness 0.02 }  
  }
  cylinder { <-a,-a,-a> <+a,-a,-a> r } cylinder { <-a,-a,+a> <+a,-a,+a> r }
  cylinder { <-a,-a,-a> <-a,-a,+a> r } cylinder { <+a,-a,-a> <+a,-a,+a> r }
  
  cylinder { <-a,+a,-a> <+a,+a,-a> r } cylinder { <-a,+a,+a> <+a,+a,+a> r }
  cylinder { <-a,+a,-a> <-a,+a,+a> r } cylinder { <+a,+a,-a> <+a,+a,+a> r } 
  
  cylinder { <-a,-a,-a> <-a,+a,-a> r } cylinder { <-a,-a,+a> <-a,+a,+a> r }
  cylinder { <+a,-a,-a> <+a,+a,-a> r } cylinder { <+a,-a,+a> <+a,+a,+a> r }
  
  sphere { <-a,-a,-a> r } sphere { <-a,-a,+a> r } sphere { <+a,-a,-a> r } sphere {
<+a,-a,+a> r }
  sphere { <-a,+a,-a> r } sphere { <-a,+a,+a> r } sphere { <+a,+a,-a> r } sphere {
<+a,+a,+a> r }
  
  
  pigment { color rgb <1,1,.2> }
  finish { specular 1 roughness 0.02 }    
  translate +x*7
}  

//The counter :
text { 
  ttf "timrom.ttf" concat("size=",str(s,3,3)) .1,0
  translate -x*2
  scale 5
  translate <0,1,7>
  pigment { rgb <.5,1.0,.5> }
  finish { ambient .3 }
  no_shadow
}




-- 
#macro g(U,V)(.4*abs(sin(9*sqrt(pow(x-U,2)+pow(y-V,2))))*pow(1-min(1,(sqrt(
pow(x-U,2)+pow(y-V,2))*.3)),2)+.9)#end#macro p(c)#if(c>1)#local l=mod(c,100
);g(2*div(l,10)-8,2*mod(l,10)-8)*p(div(c,100))#else 1#end#end light_source{
y 2}sphere{z*20 9pigment{function{p(26252423)*p(36455644)*p(66656463)}}}//M

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