Theogott wrote:

> 
> union{
>  blob{
>   sphere{
>    <-1,0,0> 1.5 2
>    pigment{
>     checker
>     rgb 0
>     rgb .2
>     scale 0.25
>    }
>    finish{
>     reflection <1,1,1.1>
>    }
>   }
>   sphere{
>    <1,0,0> 1.5 2
>    pigment{
>     checker
>     rgb 0
>     rgb .2
>     scale 0.25
>    }
>    finish{
>     reflection <1.1,1,1>
>    }
>   }
>  }
>  scale 1.5
> }
> 

This can be compacted to
 blob{
  sphere{ <-1,0,0> 1.5 2 }
  sphere{  <1,0,0> 1.5 2 }
   pigment{
    checker
    rgb 0
    rgb .2
    scale 0.25
   }
   finish{
    reflection <1,1,1.1>
   }
 scale 1.5
}



> sphere{
>  <0,0,0>
>  100
>  hollow
>  pigment{
>   color <0,0,0,0,0.01>
>  }
>  finish{
>   reflection 1
>  }
>  normal{
>   bumps 0.0001
>  }
> }

This second enveloping sphere is what kills it.
If I take it out it renders, with +A0.01 at 800x450 in under 20 seconds
-- 

Ger

Post a reply to this message