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I didn't know that about POV-ray. The only things I've rendered in it have
been floating in space, so I've never tried something hovering over a
reflective surface.
Is the POV file available for download somewhere? I need a 1024x768 version
for my Windows wallpaper :-)
Now, where can I get lotsa pink bricks...
James
In lugnet.space, Bram Lambrecht writes:
> In lugnet.space, James Wilson writes:
> > Very cool!
>
> Thanks.
>
> > Did you do anything special to the bottom of the car in the ray-trace? In
> > the reflection, it looks almost like you have placed tiles there upside down,
> > but the MPD has plates for the bottom. Or is it an optical illusion?
>
> It's an optical illusion--well, actually, it's probably just a limitation of
> POV-Ray. AFAIK, reflective surfaces in POV don't actually reflect the light
> rays that bounce off of them, so no light reaches the bottom of the car, so no
> shadows are created which would make the tubes show up. Instead, the bottom
> sort of "glows" because of the "ambient" values of the brick textures.
> Transparent surfaces are also difficult to deal with in POV. At first, the
> canopy's texture was set to let 100% of light through, so only the highlight
> showed up :) I changed the filter value to .9, and then the coloring of the
> dome showed up.
> --Bram
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Message is in Reply To:
 | | Re: '59 Caddy Hovercar Raytraces
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| (...) Thanks. (...) It's an optical illusion--well, actually, it's probably just a limitation of POV-Ray. AFAIK, reflective surfaces in POV don't actually reflect the light rays that bounce off of them, so no light reaches the bottom of the car, so (...) (24 years ago, 7-Apr-00, to lugnet.space, lugnet.build, lugnet.town, lugnet.cad.ray)
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