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One more image rendered with a light dome auto-generated from an HDR lightprobe.
This scene has 200 area lights; each just 3x3 with jitter and orient.
The central sphere's dull reflection is simply phong highlights to the 200 light
sources (and microfacets to give it a slightly rougher appearance).
The floor is just a plane with an image, a bump map, and a specular map setting
the variable reflection.
Finally I photoshopped it to give it a slightly more "photographic" appearance
(a glow
effect, a lens distortion, and adding slight noise into the darker areas of the
scene). The impact was minor, but I think helps. People have code to
do those things inside POV, but I just prefer using Photoshop.
Cheers,
Edouard.
Post a reply to this message
Attachments:
Download 'phong-200-lights.jpg' (230 KB)
Preview of image 'phong-200-lights.jpg'
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Edouard Poor napsal(a):
> One more image rendered with a light dome auto-generated from an HDR lightprobe.
> This scene has 200 area lights; each just 3x3 with jitter and orient.
>
> The central sphere's dull reflection is simply phong highlights to the 200 light
> sources (and microfacets to give it a slightly rougher appearance).
>
> The floor is just a plane with an image, a bump map, and a specular map setting
> the variable reflection.
>
> Finally I photoshopped it to give it a slightly more "photographic" appearance
> (a glow
> effect, a lens distortion, and adding slight noise into the darker areas of the
> scene). The impact was minor, but I think helps. People have code to
> do those things inside POV, but I just prefer using Photoshop.
>
> Cheers,
> Edouard.
>
>
>
> ------------------------------------------------------------------------
>
I like the chromatic abberation
Post a reply to this message
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Jan Dvorak <jan### [at] centrum cz> wrote:
> > Finally I photoshopped it to give it a slightly more "photographic" appearance
> > (a glow
> > effect, a lens distortion, and adding slight noise into the darker areas of the
> > scene). The impact was minor, but I think helps. People have code to
> > do those things inside POV, but I just prefer using Photoshop.
>
> I like the chromatic abberation
The chromatic aberration is part of the lens distortion in Photoshop. Actually
there is a filter called "Lens Correction", but you can take a clean image
(i.e. ray traced) and apply barrel distortion, chromatic aberration and
vignetting instead of the more usual case of removing them from a photographic
image. The only (slight) limitation with the filter is that it can't work on
32bit (HDR) images, only 16bit ones. In practice it's pretty good.
I got the idea from Tek's amazing RSOCP image:
http://teknof.deviantart.com/art/YARSOCP-53555325 but used Photoshop rather
than doing the effect "in camera".
The other two effects added in Photoshop were done by hand: the glow and adding
noise to darker areas.
Cheers,
Edouard.
Post a reply to this message
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