"Sir Charles W. Shults III" <aic### [at] cflrrcom> wrote in message
news:3c9d1c89@news.povray.org...
>     Man, I love this stuff- I have moved a few equations around and came
up with
> a pretty fair redwood tree trunk.  You can see a little container clipping
on
> the front, but I will get rid of that.  Here is the image, and it is not
far
> removed from the turbulent stone images except by a couple of math terms.
>
> Cheers!
>
> Chip Shults
> My robotics, space and CGI web page - http://home.cfl.rr.com/aichip
>
> #macro B(a,b)sphere{<a,b,13>.5pigment{agate}finish{phong.3}}#end#macro
N(c,k,a)
> #if(k<7)#if(mod(c,2))B(k,a)B(-k,-a)#end N(int(c/2)k+1a)#end#end
light_source{0
> rgb 1}N(61,1,1)N(37,1,0)N(55,1,-1)N(4,1,-2)N(4,1,-3)N(1,1,3)
>
>
>
>

neat.  it would make a great petrified forest.

john

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