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Cool. Thank you, sir.
"David Heys" <sou### [at] gci net> wrote in message
news:3968e4b0@news.povray.org...
> > Wow, I always wanted to make a good opal - this is great! Can it work
for
> > the blue/green opals too?
>
> Well, since the the texture is mostly just an emitting media with a
density
> map, it'd just be a matter of changing the colors. Here's the texture:
>
> pigment {Gold/2 filter 0.5 transmit 0.5}
> finish {blinn 40 facets 0.062105 reflection 0.15}
> interior {
> ior 1.5
> media {
> emission 1.0
> method 3
> density {
> bozo
> scale <.4,0.3,0.3>
> turbulence .85
> octaves 2
> lambda 1.01
> omega .75
> rotate 90*z
> density_map {
> [0 Gold/2]
> [0.1 Gold/4]
> [0.2 Coral/4]
> [0.3 Coral/2]
> [0.4 agate
> color_map {
> [0 Gold/2]
> [0.2 rgb 0]
> [0.4 Coral/2]
> [0.6 rgb 0]
> [1.0 SpicyPink/3]
> }
> scale 0.1
> ]
> [0.5 rgb -.25]
> [0.6 granite
> color_map {
> [0 SpicyPink/3]
> [0.2 rgb 0]
> [0.4 Gold/2]
> [0.6 rgb 0]
> [1.0 Coral/2]
> }
> scale 0.1
> ]
> [0.7 Coral/2]
> [0.8 Coral/4]
> [0.9 Gold/4]
> [1 Gold/2]
> }
> }
> scale 5
> }
> }
>
>
>
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