POV-Ray : Newsgroups : povray.bugreports : Grayscale_Output=yes doesn't work : Re: Grayscale_Output=yes doesn't work Server Time
25 Sep 2023 02:03:19 EDT (-0400)
  Re: Grayscale_Output=yes doesn't work  
From: Leroy
Date: 16 Mar 2015 13:02:05
Message: <55070c8d$1@news.povray.org>
clipka wrote:
> Am 14.03.2015 um 18:34 schrieb Leroy:
>> So is this a document thing or a bug?
>> My bet is a bug.
> Nope; it is the documentation that is in error.

I lost my bet! Never been good at gambling anyway.

> Making the preview exactly reflect the output image in every respect 
> would be excessively difficult. (As an extreme example, reproducing jpeg 
> artifacts according to the quality settings chosen would require to 
> actually generate the jpeg image and then convert it back. Obviously 
> that can only happen once the image is completely rendered. The same 
> goes for some dithering options at low bit depths.) 

For consistency, it
> is therefore the current policy to always preview the render at maximum 
> quality regardless of the output file format and quality parameters.
So does that means the display option +Dxy have deprecated functions too?

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