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the third image looks the most realistic to me, but the others are good as
well.
"Tek" <tek### [at] evilsuperbrain com> wrote in message
news:3ec2d3a3@news.povray.org...
> For anyone who hasn't been following the other thread: I can't illuminate
my
> metallic paint using only radiosity, as it relies on specular highlights,
which
> meant I couldn't light it using HDR...
>
> ...but now I've found a way round it: Here the object is lit by a set of
light
> sources distributed round a sphere, with their colours sampled from the
HDR
> image. It's very effective and it means I can just change the HDR and it
looks
> right. I've not used radiosity, but I guess to combine this with radiosity
you'd
> need to turn off the HDR sky sphere and save the radiosity, then turn it
back on
> for the final render, otherwise the light sources will combine with
radiosity
> from the sky sphere and cause twice the illumination in the scene.
>
> Anyway, the pictures show the paint in a variety of HDR environments, and
the
> beach and campus pictures are using a much more metallic type of paint
(90%
> metallic, compared to 60% in the other pictures).
>
> The metallic paint is the same code used for the other picture, which is
on
> p.b.s-f. I can provide the source code for the light dome trick if anyone
wants
> it, but it's pretty straighforwards and my version is a little messy.
>
> You like? :)
>
> --
> Tek
> http://www.evilsuperbrain.com
>
>
>
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