William F Pokorny <ano### [at] anonymousorg> wrote:
>
> Ah, I see now too Gilles did have it there. Thanks.
>
> I got a couple small renders done yesterday - with and without the
> emission - and compared them. At a high level adding in emission the
> color of the background sky makes the clouds look as if they are sitting
> in a hazy atmosphere without having modeled the hazy atmosphere. See the
> attached image.
>
> The difference image on the right shows an aspect or pitfall of the
> method - depending on one's goal I suppose. Once one or more color
> channels for the media 'interval' being sampled is maxed out (Red here),
> you get a 'disjoint' color-hue change in the media due the emission
> adder.
>
> >
> > I remember your image - very impressive.
>
> Thanks - though I certainly don't play in your artistic league. :-)
>
> Bill P.

Interesting. I wouldn't have thought the effect of small emission value is that
strong. I've to do more tests...

Norbert

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