

"Tor Olav Kristensen" <tor### [at] TOBEREMOVEDgmailcom> wrote:
> Hi Bill
>
> Please note that most of the credit for the Vector analysis macros should go to
> Christoph Hormann, which did the heavy lifting. I just suggested some
> corrections.
So noted! He did an excellent job, especially that clever bit about employing
f_r  which took me a bit of time to wrap my head around.
http://www.povray.org/documentation/view/3.6.1/448/
f_r(x,y,z) = sqrt( x*x + y*y + z*z )
When used alone, the "R" function gives a surface that consists of all the
points that are a specific distance (threshold value) from the origin, i.e. a
sphere.
> Btw.:
> I agree with you; it may be that experimenting with pigment maps will be
> rewarding here.
Indeed. I think he could get some interesting halftone effects as well.
rgbf would look great if unmodified spheres of all 3 colors were used.
There's also the potential for using different shapes  boxes, triangles,
hexagons, etc. I'm also thinking that using cones would give a Voronoi effect.
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