>further examples of applications please.  i'm not quite sure what one
>would use this for.  thanks.


Io am just thinking aloud here.

As Tony[B] pointed out; the "classic" fire-demo-algorithm uses this kind of
displacement to mimic a very realistic fire-texture. And think of the
wonderful wood-pigments one can make:

pigment {
    wood
    color_map { something wonderful yet brown }
    warp {
        //something like; don't know the synatx ;)
        pigment {
            leopard
            color_map { [0.3 color rgb 1][0.7 color rgb 0] }
            turbulence 1
            scale 0.2
        }
    }
}

I can imagine this creating displacements resulting in kind of like
blackhole warp, except distributed everywhere and turbulenced.

And why not do something like:

pigment {
    image_map { your favorite picture of a nice person }
    warp { spotted scale 0.2 translate z*clock }
}

to make it bubble like a hot witches cauldron!

Oh, don't get me started!!

Regards,
Simen Kvaal.

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