If you posted a snippet of code it might help, but generally you want to
check a few things:

Make sure the sphere is hollow,
Make sure the pigment is rgbf 1
Make sure there is no highlight in the finish

here is a quick example:

sphere { 0,1.5
  pigment { rgbf 1 }
  interior { 
    media { 
      emission 1
      density { spherical
                turbulence 0.5 // or whatever
              } } } }

You might need ot add absorption as well to block out the background

Josh English
eng### [at] spiritonecom


Lutz Kretzschmar wrote:
> 
> Hi all,
> 
> I am trying to create a sort of a glow effect in a sphere and am not
> getting it quite right. I can still see a defined boundary around the
> media.
> 
> What is the best way to create this effect?
> 
> - Lutz
>   email : lut### [at] stmuccom
>   Web   : http://www.stmuc.com/moray

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