Dan Johnson wrote:
> 
> Looked in documentation don't see it.  Unless you mean the spotlight source, but
> that has an umbra, and penumbra.  I don't know how to make that light source act
> like a perfect cone light.
> 

The penumbra can be eliminated by setting the "falloff" and "radius" parameters
to an equal value. This should give what I'd call a "perfect cone light".
I'm not sure what you mean by it having an umbra. Obviously it will cast
shadows.

-- 
Margus Ramst

Personal e-mail: mar### [at] peakeduee
TAG (Team Assistance Group) e-mail: mar### [at] tagpovrayorg
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