POV-Ray : Newsgroups : povray.binaries.images : Re: Subsurface Scattering: macro now available (21kb jpeg) : Re: Subsurface Scattering: macro now available (21kb jpeg) Server Time
12 Aug 2024 01:24:53 EDT (-0400)
  Re: Subsurface Scattering: macro now available (21kb jpeg)  
From: Mack Tuesday
Date: 30 Nov 2003 18:20:01
Message: <web.3fca7b1a54d5518c543aa38d0@news.povray.org>
This is really looking good so far.  I hope you keep posting your
improvements to the model, because I'm looking forward to seeing how it
turns out.

Mike Williams wrote:
>I've found out what I was doing wrong previously with the colours of the sss
>objects. What was happening was that I hadn't noticed that the macro
>requires the target object to be centred at the origin. In the previous
>version of the image over 100% of the trace() operations were missing the
>eyeballs and lips objects. I now translate the objects to the origin,
>perform the sss, then translated them back. Due to the irregular shape of
>the objects about 97% of the trace() operations performed by the macro still
>miss the object, so I added a tweak to my copy of the macro to omit the tens
>of thousands of blob components that are centred at the origin.
>


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