POV-Ray : Newsgroups : povray.binaries.images : Porous Rock : Re: Porous Rock Server Time
7 May 2024 13:25:20 EDT (-0400)
  Re: Porous Rock  
From: Rarius
Date: 8 Jul 2008 19:38:16
Message: <4873fa68$1@news.povray.org>
3 days... on what hardware?

Rarius

"Tek" <tek### [at] evilsuperbraincom> wrote in message 
news:4873ce68@news.povray.org...
>I rendered a detailed version! It took an impressive 3.5 days!!!
>
> -- 
> Tek
> http://evilsuperbrain.com
>
>
> "Tek" <tek### [at] evilsuperbraincom> wrote in message
> news:486e82e5@news.povray.org...
>>I was messing around with some multifractals and came up with this. It's
>> based on a crackle form <1,0,0> repeated like a perlin multi-fractal over
>> 8
>> octaves. The heightfield renders pretty quick (19 minutes) but the
>> isosurfae
>> took an amazing 9 hours!
>>
>> Here's the code for the pattern, the Curve value adjusts how the holes
>> look.
>> Have a look at p.b.a to see what happens when I animate that value!:
>>
>> pigment {
>> #local Curve=1/8; // small values make it look porous
>> #local Omega=0.5;
>> #local Lambda=2;
>> #local Octaves=8;
>> pigment_pattern {
>>  average
>>  pigment_map {
>>   #local octave=0;
>>   #while ( octave < Octaves )
>>    [pow(Omega,octave)
>>     pigment_pattern {
>>      crackle form <.9,0,0>
>>      scale pow(Lambda,-octave)
>>      colour_map {[0 rgb 1][1 rgb 0]}
>>     }
>>     poly_wave 1/Curve
>>    ]
>>    #local octave=octave+1;
>>   #end
>>  }
>> }
>> poly_wave Curve
>> colour_map {[0 rgb 1][1 rgb 0]}
>> }
>>
>>
>> -- 
>> Tek
>> http://evilsuperbrain.com
>>
>>
>>
>
>
>
>


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