POV-Ray : Newsgroups : povray.general : Light Diffusion : Re: Light Diffusion Server Time
30 Jul 2024 12:22:45 EDT (-0400)
  Re: Light Diffusion  
From: "Jérôme M. Berger"
Date: 21 Feb 2009 02:24:24
Message: <499fac28$1@news.povray.org>
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Trevor G Quayle wrote:
> Try using an area light but with an open cylinder around it to limit the light
> to a spot.  You can effect the amount of soft shadowing by the size of the
> light/cylinder, etc.  A while back I posted a method for making a square
> spotlight using area lights.  It would probably provide a good starting point.
> I'll dig around and see if I can find it.
> 
	The area_light keyword can be used inside a spotlight. There's no
need to go to all this trouble with the cylinder to guide the light.

		Jerome
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