On 5/19/2011 10:51 AM, stbenge wrote:
> On 5/19/2011 12:00 AM, Zeger Knaepen wrote:
>> instead of granite, try something like this:
>>
>> sky_sphere {
>> pigment {
>> crackle form <1,0,0>
...
>> }
>> }
>>
>> imho it gives much better results.
>
> Not always, IME. The crackle-form-x pattern, while producing circular
> points, often looks a little /too/ perfect.
>
> I like good old granite myself,

But then again, with the crackle-form-x pattern combined with a low 
metric value, you can do cool stuff like fake the appearance of glare at 
each star:

sky_sphere{
  pigment{
   crackle form x
   metric 0.35
   scale 0.002/image_width
   poly_wave 1/32
   color_map{
    [0 rgb 8]
    [1 rgb 0]
   }
  }
}

Sam

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