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Hi,
You can use a halo with a spheric container.
The following exemple is taken from the section 4.8.5.2 of the
documentation.
sphere { 0, 1.5
pigment { color rgbt <1, 1, 1, 1> }
halo {
glowing //emitting
spherical_mapping
linear
turbulence 0.5
color_map {
[ 0 color rgbt <0, 1, 0, 1> ]
[ 1 color rgbt <1, 0, 0, -1> ]
}
samples 10
scale 0.75
}
hollow
scale 1.5
}
We have to remember:
The container sits at the origin, preferably, it's unit size, it has to
be transparent.
If we use turbulence, we have to make sure that the container is large
enough to contain the halo. The halo and the container are two different
entities.
If we adequatly choose the mapping type it is less difficult to obtain
what we want.
> Hi,
> How can I make a sphere glow in Povray like the warp engines in
> Startrek?
>
> Neil
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