"Paragon" <use### [at] hostcom> wrote in message news:3d28a6a1@news.povray.org...
> I came across a Lightwave 7 review and it featured a picture to show
> Lightwave's caustic capabilities.  The picture is fairly simple so I
decided
> to try and duplicate it in POV-Ray 3.5 rc6.  The first picture is from
> Lightwave (in case it posts in reverse order, the one with the brighter
> glass spheres) and the second picture is what I rendered.  The most
notable
> differences are caustics that appear on the blue wall (I don't know how
they
> achieved the caustics to appear white) and the subtle highlights and
shadows
> on the red wall in Lightwave's render (I'm not sure how to get that effect
> either).  Oh yeah, and the light on the ceiling in my render does not
appear
> to be "in the ceiling" (although it is...it shows if I don't render with
> radiosity) and the shadows aren't as soft.

Don't know about Lightwave, but it could be that the light has a
"brightness" value over the "maximum". That way it makes the spot on the
wall white. Just a thought.

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