POV-Ray : Newsgroups : moray.win : A light bulb : Re: A light bulb Server Time
17 Aug 2022 09:10:24 EDT (-0400)
  Re: A light bulb  
From: alanr
Date: 21 Feb 2011 08:30:01
Message: <web.4d62685394c155b61d72ddf90@news.povray.org>
"Robert McGregor" <rob### [at] mcgregorfineartcom> wrote:
> "alanr" <nomail@nomail> wrote:
> > Apologies if this has been understood by others but an explanation I just read
> > seemed so simple I'm baffled it does not quite work as expected.
> >
> > In Moray I created a csg union of a point light with a sphere and created a
> > whiteish material with a finish ambient set to 1, and sphere set no shadow.  But
> > it renders black, albeit light appears to emit from this object.
> >
> > Have to turn the scene ambient up full in order to make the sphere look like its
> > lit, but this of course a produces general glow to all objects from an unseen
> > source which I dont really want.
> >
> > Is setting the scene ambient to 1 the only way to get the sphere to "glow" or
> > have I missed something?
>
> If you're using radiosity then try emissive instead of ambient.
>
> -------------------------------------------------
> www.McGregorFineArt.com

Hi Robert - thanks for your speedy reply - I must be having a senior moment as I
could not figure out how to get what I was after by trying that.  I assume it
was a good suggestion, but my understanding of radiosity matters is very
limited, but your feedback was appreciated.


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