POV-Ray : Newsgroups : povray.binaries.animations : Meshed sphere experiment (DIVX) : Re: Meshed sphere experiment (DIVX) Server Time
2 Nov 2024 09:17:40 EDT (-0400)
  Re: Meshed sphere experiment (DIVX)  
From: Fernando Gonzalez del Cueto
Date: 26 Mar 2002 14:29:49
Message: <3ca0cc2d$1@news.povray.org>
Hmmm... I guess that would have simplified my life substantially!!!!

Thanks!!!!

Fernando.

"Anders K." <and### [at] prostard2gcom> wrote in message
news:3ca0c3e8$1@news.povray.org...
> > One of the trickiest parts (I didn't
> > forsee that!) was to generate the coordinates of the initial
tetrahedron!
>
> It's a bit late I guess, but FYI, the points <K, K, K>, <-K, -K, K>,
> <K, -K, -K>, <-K, K, -K> (where K = R/sqrt(3)) form a regular tetrahedron
> and are all on a sphere of radius R (centered at the origin). This is much
> easier than letting one of the points be <0, 1, 0> and then trying to work
> out the rest of them.
>
> Anders
>
> --
> light_source{6#local D=#macro B(E)#macro A(D)#declare E=(E-#declare
> C=mod(E D);C)/D;C#end#while(E)#if(A(8)=7)#declare D=D+2.8;#else#if(
> C>2)}torus{1..2clipped_by{box{-2y}}rotate<1 0C>*90translate<D+1A(2)
> *2+1#else}cylinder{0(C-v=1).2translate<D+C*A(2)A(4)#end-2 13>finish
> {specular 1}pigment{rgb x}#end#end#end-8;1B(445000298)B(519053970)B
> (483402386)B(1445571258)B(77778740)B(541684549)B(42677491)B(70)}
>
>
>


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