clipka <ano### [at] anonymousorg> wrote:
> Am 30.01.2014 20:24, schrieb Samuel Benge:
>
> > There's something odd going on between the two images you posted: the spheres in
> > the UberPOV version are noticeably darker, but the plane is not. Did you change
> > the spheres' material settings between renders?
>
> You mean the diffuse spheres, right?
>
> No, that's not odd at all:
>
> - The darkening of the spheres of course comes from the fact that even
> though the cut-off light sources don't contribute much brightness
> individually, they still do contribute a good deal in total.
>
> - The (apparent) non-darkening of the plane comes from the fact that
> here the contribution of the individual light sources isn't just
> affected by the inverse-square distance-based falloff, but also the
> falloff due to the angle of incidence.
>
> If you'd use a "brilliance 0" finish on the plane (causing diffuse
> brightness to be entirely independent of the angle of incidence), the
> darkening effect would be just as visible on the plane as it is on the
> spheres.

Ah, OK. Are there any visible artifacts when using this patch?

Have you conducted a neon sign test yet? :D

Sam

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