That's really sharp. I am trying to turn that into a function for an
isosurface but am having some trouble. Might you assist?
Dennis


"Michael Andrews" <m.c### [at] readingacuk> wrote in message
news:3CF23169.FF4E9361@reading.ac.uk...
> Hi Ingo,
>
> ingo wrote:
> >
> > There is more interesting stuff on the site, for example:
> > http://glinda.lrsm.upenn.edu/~weeks/lcca1.html
> > Would it be possible to make a POV-Ray pattern like that?
> >
> > Ingo
>
> Well, this one is easy :-)
>
> // -- start --
> #include "functions.inc"
>
> global_settings { assumed_gamma 1.0 max_trace_level 5 }
>
> background { color rgb 0.6*<4/7,5.5/7,1>^4 }
>
> #declare camPos = <0.2, 7.5, -17.5>*15;
> #declare camLookAt = <0,0,0>;
> #declare camAngle = 30;
>
> camera {
> up <0, 1, 0>
> right x*image_width/image_height
> location  camPos
> look_at   camLookAt
> angle     camAngle
> }
>
> #declare fn_Rad = function { pigment { radial colour_map{[0 rgb 0][1 rgb
> 1]}} }
> #declare fn_Cusp = function {
> fn_Rad(f_snoise3d(x/4,0,z/4),0,f_snoise3d(x/4,100,z/4)).x }
>
> plane {
>   y, 0
>   pigment { function { fn_Cusp(x,y,z) }
>     colour_map {[0 rgb x][1/3 rgb y][2/3 rgb z][1 rgb x]}
>   }
>   finish { ambient 1 diffuse 0 }
>   rotate -90*x
>   scale 5
> }
> // -- end --
>
> Bye for now,
> Mike Andrews.

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