"cbpypov" <nomail@nomail> wrote:

> Although it looks quite nice to me, there is the problem that the emitting
> spheres do not "overlap" properly (I'd expect that the intensity of the emission
> would add up!?). Moreover, I would want a smooth fade-out of the aura, but yet
> it is dependent on the intensity: with Intensity=1 it looks fine, while
> Intensity=0.4 rather looks like an additional sphere. Please see the attachment.


First, you radius is defined as a function of your intensity, so of course they
are linked.

Second, define your density as a function
density { function{Func(x,y,z)}
rather than as spherical - that might help your fading

The following is all speculation:
I have some ambiguity about about the additivity of the emissivity.
[say that 5 times fast]
I think it might be your color map.
You might have to use transmit as part of your rgb[t] designations to get a pure
emission, use no light source, and turn on radiosity.
might need to add a statement about absorption, but I don't know what the
default behaviour is.

Experts are online, waiting to answer your questions in the order you post...

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