POV-Ray : Newsgroups : povray.programming : Is this a bug? : Re: Is this a bug? Server Time
2 May 2024 06:17:07 EDT (-0400)
  Re: Is this a bug?  
From: Anthony D  Baye
Date: 8 May 2007 17:05:02
Message: <web.4640e5bbc0eb7a166de1e3230@news.povray.org>
Warp <war### [at] tagpovrayorg> wrote:
>   Actually the documentation only mentions PNG and PPM as supporting bit
> depths other than 24 bpp:
>
> "Most of these formats output 24 bits per pixel with 8 bits for each
> of red, green and blue data. PNG and PPM allow you to optionally
> specify the output bit depth from 5 to 16 bits for each of the red,
> green, and blue colors, giving from 15 to 48 bits of color information
> per pixel. The default output depth for all formats is 8 bits/color
> (16 million possible colors), but this may be changed for PNG and PPM
> format files by setting Bits_Per_Color=n or by specifying +FNn or
> +FPn, where n is the desired bit depth."
>
> --
>                                                           - Warp

Alright.  I was wondering because one of the renders I brought over from my
Mac is  32-bit, but it's also type 10, rather than type 2, which means that
it's also Run-length encoded (I suspect the difference has to do with an
alpha-channel)

Regards,

ADB


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