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"Ron Parker" <ron### [at] povrayorg> wrote...
> On Wed, 07 Nov 2001 23:23:35 +0200, Peter Popov wrote:
> > How so? Lens flares usually originate from light sources.
>
> True, but since the path is ES*L, it is sufficient to give the light
source a
> looks_like that has sufficient brightness to survive multiple reflections.
> Photons are only useful when the path is ES*DS*L.
>
> To get some of the more interesting flares requires blurred reflection
and/or
> refraction, and perhaps a touch of dispersion. Slow, slow, slow.
Or you can use a bit of phong (and/or specular) highlighting to get the
reflection of the light_source to show up. Over a year ago tried this with
a bit of dispersion and it worked great, though the renders were SO SLOW!
-Nathan
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