POV-Ray : Newsgroups : povray.binaries.images : Tracing an object through a soft-edged mask; or objects as airbrush 'spray' : Re: Tracing an object through a soft-edged mask; or objects as airbrush 'sp= Server Time
18 May 2024 13:25:03 EDT (-0400)
  Re: Tracing an object through a soft-edged mask; or objects as airbrush 'sp=  
From: "Jérôme M. Berger"
Date: 14 May 2008 13:47:48
Message: <482b25c4$1@news.povray.org>
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Kenneth wrote:
> "Thomas de Groot" <t.d### [at] internlDOTnet> wrote:
> 
>> In Zeger's example, I would replace .gray by .red (or .green or .blue).
>> Parsing will be much faster, for the same result.
>>
> 
> 
> That's interesting.  Due, no doubt, to the extra calculations POV has to perform
> in turning a full RGB pigment into .gray.
> 
> A  more accurate way of getting the pigment pattern's colors into grayscale
> would be to substitute a PATTERN for the PIGMENT; it's already in grayscale.
> I.e., pattern{bozo...} And--as far as I can tell from section 3.5.11.16 of the
> docs--such patterns have 16-bit resolution.
> 
	No, they actually have full 64 bits float resolution. But so do the
pigments.

		Jerome
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+------------------------- Jerome M. BERGER ---------------------+
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