POV-Ray: Newsgroups: povray.beta-test: Can POV make use of 48 bpp color images as detailed height fields?: Re: Can POV make use of 48 bpp color images as detailed height fields?

POV-Ray : Newsgroups : povray.beta-test : Can POV make use of 48 bpp color images as detailed height fields? : Re: Can POV make use of 48 bpp color images as detailed height fields?		Server Time 31 Jul 2024 00:24:31 EDT (-0400)

From: Adrien Beau
Date: 13 Oct 2001 09:11:03
Message: <3BC83D92.EE811D94@free.fr>

Warp wrote:
> 
>   Using red+green as a 16-bit value for the height is a good idea, but not
> very practical. No image editing programs support that, so you just can't
> create them. AFAIK there are only two widespread programs which support
> this: POV-Ray and fracting. This isn't enough because neither is an image
> editing program.

IIRC, hf-lab and the like can do that. Not that I'm a
supporter of 16-bit coded as red+green. We all agree
that PNG is now a better choice.

>   There's a big difference between converting an image first to b/w and
> then feeding the result to POV-Ray and feeding the original color image
> and letting POV-Ray do the b/w conversion.

I thank you for the explanation.

-- 
Adrien Beau   adr### [at] freefr   http://adrien.beau.free.fr/

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