POV-Ray : Newsgroups : povray.bugreports : Grayscale_Output=yes doesn't work : Re: Grayscale_Output=yes doesn't work Server Time
3 Oct 2023 05:30:56 EDT (-0400)
  Re: Grayscale_Output=yes doesn't work  
From: Le Forgeron
Date: 17 Mar 2015 13:03:37
Message: <55085e69$1@news.povray.org>
Le 17/03/2015 12:02, James Holsenback a écrit :
> On 03/16/2015 03:43 PM, clipka wrote:
>> Am 16.03.2015 um 19:01 schrieb Leroy:
>>>> 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?
>> Um... actually, no: In the Windows version they don't have any functions
>> at all :P (Don't know about Unix off the top of my hat, but there it
>> either does something non-deprecated, or nothing at all either.)
>> Those options certainly date back to the DOS versions (or even earlier).
> as far as i can tell the video_mode and palette options have no effect
> and produce no warning etc, so they've been removed:
Correct. They were options for the old X11 API/toolkit, something that
is taken care of by the SDL API (Not that Scene Description Language)
itself now.

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