Dear Mike, Bob, and Nathan

Thank you all so much for your kind replies to my newbie question.

Jong
jjk### [at] mmewhaackr


"Nathan Kopp" <nat### [at] koppcom> wrote in message
news:3bc66275$1@news.povray.org...
>
> "Jong" <jjk### [at] mmewhaackr> wrote...
> > First, I'd like to know whether the photon-map is reusable, even when I
> > changed the size of the rendered image, or the viewing conditions such
as
> > camera (with fixed lighting and models).
>
> You can most things.  Avoid changing these:
> 1) size/location of objects that interact with photons in any way (either
> collect them or reflect/refract them)
> 2) size/brightness of lights that shoot photons
> 3) textures of objects that reflect or refract photons
>
> Actually, you can change those, but the results will then be unrealistic.
>
> -Nathan
>
>
>

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