POV-Ray : Newsgroups : povray.binaries.images : 'Accidental' isosurface : Re: 'Accidental' isosurface Server Time
5 Nov 2024 01:20:43 EST (-0500)
  Re: 'Accidental' isosurface  
From: Rick Gutleber
Date: 17 Nov 2009 17:05:40
Message: <4b031e34$1@news.povray.org>
That's cool.

I've been wondering the same thing, but I haven't made any effort to 
find out if it's possible to do the Mandelbulb in POV.  I figure someone 
who knows a lot more than me will figure it out first.

On 2009-11-16 20:30, CShake wrote:
> After seeing the mandelbulb getting some press recently on slashdot, I
> started to wonder how close I could get with povray.
> I forgot to segment the parts of the isosurface into the x,y,z
> components (added them instead), and this happened, at least it's fun
> looking.
>
> #local n = 8;
> #local r = function{sqrt(pow(x,2)+pow(y,2)+pow(z,2))};
> #local theta = function{atan2(sqrt(pow(x,2)+pow(y,2)),z)};
> #local phi = function{atan2(y,x)};
> isosurface{
> function {
>
pow(r(x,y,z),n)*(sin(theta(x,y,z)*n)*cos(phi(x,y,z)*n)+sin(theta(x,y,z)*n)*sin(phi(x,y,z)*n)+cos(theta(x,y,z)*n))
> }
> threshold 0
> max_gradient 57
> contained_by {sphere{0,1}}
> texture{
> pigment{color rgb 0.8}
> finish{ambient 0 diffuse 1}
> }
> }


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