POV-Ray : Newsgroups : povray.general : Bits_Per_Color of rendered image-- wrong bit-depth reported : Re: Bits_Per_Color of rendered image-- wrong bit-depth reported Server Time
18 Oct 2021 15:16:52 EDT (-0400)
  Re: Bits_Per_Color of rendered image-- wrong bit-depth reported  
From: Bald Eagle
Date: 27 Sep 2021 06:50:00
Message: <web.6151a1761680b35a1f9dae3025979125@news.povray.org>
"Kenneth" <kdw### [at] gmailcom> wrote:

> I'm still testing the various .png bit-depths (by generating test images for
> height_fields). The different visual results between, say, 8-bit and 10-bit is
> difficult to see so far...and right now I'm not *sure* that 10-bit is really
> 10-bit, or some other value. With the screwy bit-depth-reporting that I
> mentioned, I haven't been absolutely sure of my own visual judgement!

If I were to do it, I'd make a staircase from one side of the source image to
the other and look at the resulting heightfield from the side.  Then it would be
a "graph" of the numerical data.  Contrasting gridlines would eliminate any
ambiguity int the visual judgement part.


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