"B. Gimeno" <NO_### [at] lycoses> wrote in message 
news:43bbc6ba@news.povray.org...
>I made the floor on my irtc entry
> http://www.irtc.org/ftp/pub/stills/2005-06-30/untitled.jpg using 
> isosurfaces
>
> #macro adoquin (rs_brick)
> #local rnd_ad= seed(rs_brick) ;
>     isosurface {
>            function{f_rounded_box(x,y,z,0.15,1.75*gr,1.75,1.75)-
>
> (f_bozo(x*1.85*gr+rs_brick,y*1.85+rs_brick,z*1.85-rs_brick)*0.3)
>                     }
>            threshold 0
>            contained_by {box {<-2*gr,-2,-2>,<2*gr,2,2>}}
>             max_gradient 1.358
>            scale .5
>            }
> #end
> perhaps you could find it useful
> --
> light_source{0,1}#macro C(r,p)cylinder{x*-2,x*2,.9 pigment { rgb
> p} /* B Gimeno estoeslarealidad */ rotate p*90 } #end difference
> {box {-1,1} C(z /* http://usuarios.lycos.es/game2413 */,x)C(x,y)
> C(z,z) pigment{rgb 2} rotate 45 translate z*4} // www.povray.org
>
>

Thanx to both of you for responding.  Cool picture,too.

Eric

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