"Rafal 'Raf256' Maj" <spa### [at] raf256com> wrote in message
news:Xns### [at] 204213191226...
> It would be a good idea IMHO to add
>
> light_source {
>   ...
>   cut_off [distance n.n | lightness n.n]
> }

Prior to version 3.5 a light's color value had to be above a certain amount
before it could appear, otherwise it didn't emit any light rays IIRC.

Considering how light_source has so much impact on the rendering times this
idea of constraining its realm might be a great thing. Especially, as
Chistopher pointed out, if shadow creation were limited to a certain
distance; as measured from camera or the light, or both.

-- 
Bob H.
http://www.3digitaleyes.com

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