Very cool, thanks! It is always good to have cool effects like these out
there for everyone to learn from.

Ian

omniverse <omn### [at] charternet> wrote:
> "omniverse" <omn### [at] charternet> wrote:
>> [GDS|Entropy] <gdsHYPHENentropyAThotmaolDOTcom> wrote:
>>> The lower set of wax, were it slightly blue, would most closely resemble
>>> silica aerogel to my eye.
>>> 
>>> Very nice either way, what were the textures used for these if you don't
>>> mind my asking?
>> 
>> Can't answer till late tonight I'm away from home.  The media is thick anyway,
>> but what makes them look opaque mostly seems to be the refraction.
> 
> Sorry, slipped my mind. I had tried all the other media scattering types, some
> multiplied by 3 not just 2, but deleted as I changed them. Here it is:
> 
> /* testing for correct wax SSLT properties */
> //cmd:-kfi1 -kff50 -sf8 -ef8 +am2 +a0.2 +fj
> 
> #version 3.7;
> 
> #declare SSLT=no;
> 
> #declare MM=25.4;//*clock;//4;  /* mm_per_unit */
> #declare ST=10;//8+12*clock;//1.5; /* translucency */
> 
> global_settings{assumed_gamma 1.0
>  ambient_light 1
>  radiosity {
>   #if(SSLT=yes)
>   subsurface on
>   #end
>   media on
>  }
>  #if(SSLT=yes)
>  subsurface{
>   samples 500,50
>  }
>  #end
>  mm_per_unit MM}
> 
> light_source{-z*99,1 rotate <60,-15,0>}
> /*
> light_source{-z*9,<0.75,0.9,1>
>  spotlight point_at 0 radius 6 falloff 10
>  rotate 90*y}
> */
> camera{location -z*9 look_at -y/2 angle 50
>  rotate <30,30,0>}
> 
> sphere{0,1 hollow pigment{
>  uv_mapping checker rgb 0 rgb 1 scale 0.05}
>  //function{abs(y)} // room
>  //color_map{[0 rgb 0][1 rgb 1]} scale 2 translate -y}
>  scale 111}
> 
> box{-1,1 hollow scale <2,0.5,1> translate y*0.511
>  // upper wax block
>  pigment{rgbf 0.99} finish{brilliance 2
>  diffuse albedo 0.8,0.2
>  specular 0.1 roughness 0.1
>  //subsurface{translucency ST}
>  }
>  interior{ior 1.445
>   media{emission 0 absorption 0
>    scattering{5,<1,1,1>*2 eccentricity 0}
>    density {rgb<1,1,1>*2}
>   }
>  }
>  }
> 
> box{-1,1 hollow off scale <1.95,0.01,0.95>
>  // foil sheet between wax blocks
>  pigment{rgb 0.1} finish{diffuse 0.1
>  specular 0.9 roughness 0.01
>  reflection{0.5}
>  }}
> 
> box{-1,1 hollow scale <2,0.5,1> translate -y*0.511
>  // lower wax block
>  pigment{rgbf 0.99} finish{brilliance 2
>  diffuse albedo 0.8,0.2
>  specular 0.1 roughness 0.1
>  //subsurface{translucency ST}
>  }
>  interior{ior 1.445
>   media{emission 0 absorption 0
>    scattering{5,<1,1,1>*2 eccentricity 0.2}
>    density {rgb<1,1,1>*2}
>   }
>  }
>  }
> 
> text{ttf "times", concat(str(MM,-2,1)," mm per unit"),0.1,0
>  pigment {rgb <0.4,0.8,1>}
>  scale <0.75,0.75,0.75>
>  rotate <30,30,0>
>  translate <-2.25,-2.5,-1>
> }
> 
> #if(SSLT=yes)
> text{ttf "times", concat(str(ST,-2,1)," translucency"),0.1,0
>  no_shadow
>  pigment {rgb <1,0.4,0.2>}
>  scale <0.5,0.5,0.5>
>  rotate <30,30,0>
>  translate <-3,2.75,-1>
> }
> #else
> text{ttf "times","scattering media",0.1,0
>  no_shadow
>  pigment {rgb <1,0.4,0.2>}
>  scale <0.5,0.5,0.5>
>  rotate <30,30,0>
>  translate <-3,2.75,-1>
> }
> #end
> 
> 
> 
>

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