Christoph Hormann wrote:
> 
> Tor Olav Kristensen wrote:
> >
> > Well, here's my solution:
> >
> > camera{location 2look_at 0}light_source{9,1}$R=1;#while
> > (R+2)$S=2;#while(S+2)sphere{<R,eval_pattern(mandel 9,
> > <R,S>),S>.01pigment{bozo}}$S=S-.02;#end$R=R-.02;#end
> >
> 
> Well, that's not the obvious solution for a pascal programmer :-)

Who's that Pascal programmer ?   Is it me or you ?

=)


> > If you're not doing it with spheres, then what are you using ?
> > Code please !
> 
> camera{location 2look_at 0}light_source{9,1}height_field
> {pattern 99,99{mandel 9 color_map{[0 rgb 0][1 rgb 1]}
> scale.3rotate-x*90translate.5}pigment{bozo}}

Using patterns for heightfields is new to me.

MegaPOV feature ?


> > [...]
> >
> > Interesting solution !
> >
> > This reminds me of something Dan Johnson did in
> > his Arrange_3d macro. See his "Polyhedra include file"
> > thread in povray.binaries.scene-files, 11. Jan -01:
> >
> 
> I first tried it with mod(), but it turned out beeing ways longer.  What's
> in fact missing is a frac() function returning the fractional part of a
> variable (although R-int(R) does perfectly suffice apart from length :-).

I wonder why there are such basic functions 
missing from the POV-language.

Even my stone-age-Casio had the frac() function.


-- 
Best regards,

Tor Olav

mailto:tor### [at] hotmailcom
http://www.crosswinds.net/~tok/tokrays.html

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