POV-Ray : Newsgroups : povray.newusers : visible light rays ?? : Re: visible light rays ?? Server Time
5 Sep 2024 04:19:54 EDT (-0400)
  Re: visible light rays ??  
From: Warp
Date: 26 Oct 2001 05:30:07
Message: <3bd92d1e@news.povray.org>
Tom Melly <tom### [at] tomandlucouk> wrote:
: Be afraid, be very afraid - scattering media in 3.1 is 'orrible and very slow,
: or, with higher quality settings, ok and very very slow. It's one of the best
: reasons for trading up to megapov.

: I know others have said this in this thread, but scattering media in 3.1 really
: needs a big skull and crossbones on it.

  Oh, then these type of images would not be possible:

http://oz.irtc.org/ftp/pub/stills/1998-12-31/strike.jpg

  That image takes *advantage* of the graininess of media method 1 (although
it wasn't known as "method 1" back then). Doing the same with the current
method 3 would be, if not completely impossible, at least very difficult and
probably slower (perhaps a lot slower).

-- 
#macro N(D,I)#if(I<6)cylinder{M()#local D[I]=div(D[I],104);M().5,2pigment{
rgb M()}}N(D,(D[I]>99?I:I+1))#end#end#macro M()<mod(D[I],13)-6,mod(div(D[I
],13),8)-3,10>#end blob{N(array[6]{11117333955,
7382340,3358,3900569407,970,4254934330},0)}//                     - Warp -


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