The backgrounds are HDR (high dynamic range) photos from Paul Debevec's site:
http://www.debevec.org/Probes/

They're rendered using MLpov, a modified version of POV3.5 which has support for
HDR: http://pov.monde.free.fr/mael/mlpov081eng.html

I started using HDR just the other day, but it's taken me only a couple of
evenings to get these kinds of results.

--
Tek
http://www.evilsuperbrain.com


"Lenx" <len### [at] pandorabe> wrote in message news:3ec54f01$1@news.povray.org...
> very great work tek! i'm blown away!
> maybe this is a little off topic, but how did you make the environment? they
> look realy nice and add a pic part to the paint.
> sorry if this is mentioned somewhere else, but i have not enough time to
> read everything closely.
> regards
> lenx
>
>
> "Tek" <tek### [at] evilsuperbraincom> schreef in bericht
> 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
> >
> >
> >
>
>

Post a reply to this message