POV-Ray : Newsgroups : povray.general : Light Diffusion : Re: Light Diffusion Server Time
30 Jul 2024 12:27:59 EDT (-0400)
  Re: Light Diffusion  
From: Trevor G Quayle
Date: 21 Feb 2009 09:05:00
Message: <web.49a0096f231b2f5fc67b294d0@news.povray.org>
Warp <war### [at] tagpovrayorg> wrote:
> Trevor G Quayle <Tin### [at] hotmailcom> 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.
>
>   Out of curiosity: Didn't you even think of trying to define a light_source
> as being a spotlight and an area light *at the same time*?
>
>   Because, as others noted, povray perfectly supports that.
>
> --
>                                                           - Warp

No I didn't.  I guess I must've assumed that the user had maybe tried and it
didn't work.

This trick does work for recatngular spotlights though...

-tgq


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