I made a starfield graphic using FractInt.  Then image_map'd
it onto a large sphere( radius 1e6 ).  My graphic is 2048x2048.
It stands up well to AA, and animates correctly.
In FractInt, I used a plasma image, then rendered a starfield
from it.

Emory

James Gray wrote:
> 
> Okay, I'm trying to add a night sky to my scene and I'm running into two
> problems.  First, here's what I have:
> 
> sky_sphere {
>    pigment {
>       granite
>       color_map {
>          [0    color Black]
>          [.08  color Black]
>          [.1 color White]
>          [.1 color Black]
>       }
>       warp { turbulence 1 }
>       scale .1
>       frequency 2
>    }
> }
> 
> Problem number one.  I really like the look of this, but I really want
> about 1/10th of the stars that are in here.  I've tried messing with scale
> and frequency, but I just haven't found the right way to make the stars
> appear less frequently in the pattern.
> 
> Prolem number two.  My scene has plenty of ugly jaggies and thus really
> needs anti-aliasing.  Unfortunately, when I trace with that, at any of the
> different settings I've tried, I turn the above starfield into a solid
> black sky.  Is there no way to have both?
> 
> Thanks in advance for any and all help.  I've still got buckets to learn
> about tracing.
> 
> James

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