Ben nous apporta ses lumieres en ce 2005-03-18 04:08:
> So I was very impressed by Tor's "Villarceau Circles" in the hall of fame
> section, and since the source was kindly made available I decided to render
> a large version for my desktop (1280x960). It took a while (~18h) to render
> but I was delighted with the result...
> 
> ..... until I noticed the weird grey artifacts, that is. I've highlighted a
> few of the more obvious ones in the detail images below. Does anyone have
> any ideas why they appeared and how I can prevent them? I can repair some
> of them by retouching the image in Paint, but that seems a rather cludgy
> solution (and obviously doesn't work for some areas of the image) - I'd
> rather re-run the render with a fixed setting.
> 
> Render settings 1280x960, radiosity and photon settings unchanged from Tor's
> source file, +A0.3, POV-ray 3.6 for Windows.
> 
> Cheers!
> 
> --
> Ben
> 
> 
> ------------------------------------------------------------------------
> 
Those don't look like artefacts to me. It looks more like filtered lighting on the
edges of the 
silver bands.

Alain

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