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"TheMightyZog" <Chr### [at] HotPOP com> wrote:
> Hi,
>
> I'm a bit stuck trying to create an outside security light, that is like a
> spot light but has a square/rectangle area of illumination and has a
> falloff (so that the edges are faded rather than sharp).
>
> I've succeeded using a light with the projected_through{aPlane} facility,
> but I get a hard edge and area_light doesnt help.
>
> I'd be greatful for any ideas how I would go about constructing it.
>
> Thanks
> Zog
An area light with projected_through should work. You just need to make
sure the area light is far enough away from the projected_through rectangle
to get the amount of softness you want.
An alternative would be to create a square array of spotlights, however this
loses some of the advantages that area_lights give you for interpolation and
smoothing.
-tgq
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