POV-Ray : Newsgroups : povray.binaries.scene-files : Radiosity pretrace : Re: Radiosity pretrace Server Time
25 Apr 2024 15:20:45 EDT (-0400)
  Re: Radiosity pretrace  
From: Cousin Ricky
Date: 17 Jan 2014 18:05:00
Message: <web.52d9b62fead9079f306548240@news.povray.org>
"Cousin Ricky" <rickysttATyahooDOTcom> wrote:
> CLipka's Radiosity Voodoo recommends that pretrace_start be a power of 2
> multiple of pretrace_end, and that pretrace_end translate to one pixel.
> Calculating the pixel size is easy enough, but deriving a good pretrace_start
> from that over various image sizes requires real math, so I incorporated a
> formula into one of my include files so I wouldn't have to figure it out each
> time.
>
> Last night, I decided to extract this into a stand-alone macro.  Breathe easy;
> it allows you to ease up on the pretrace_end recommendation.  I hope you find it
> useful.

There are errors in the documentation.  I pulled an _Of Pandas and People_[1]
and missed some sentences in my global search and replace.  (Funny thing is I
/remember/ proofreading it.  That's why writers never proofread their own work.)
 The corrected files are attached.

________________________
[1] See Kitzmiller v. Dover.


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Attachments:
Download 'radiosity-pretrace.zip' (4 KB)

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