POV-Ray : Newsgroups : povray.binaries.images : A more successful render (~120KB) : Re: A more successful render (~120KB) Server Time
7 Aug 2024 01:21:03 EDT (-0400)
  Re: A more successful render (~120KB)  
From: Orchid XP v3
Date: 12 Oct 2006 13:38:44
Message: <452e7da4$1@news.povray.org>
>> The color of water is determined by what's underneath it because water by
>> itself is colorless. Have a look at a swimmingpool :)
> 
> Swimming pools are tricky to judge.  Every one i've ever seen is *painted*
> baby boy blue.
> 
> Water is colorless at the shallow depth that Orchid is rendering.  However,
> water absorbs light differentially by wavelength.  Red is the first to go,
> and green fades as you go deeper.  If your body of water is deep enough, it
> will show blue all by itself.  (Otherwise, the oceans would be the color of
> basalt and diatomaceous earth.)

I've heard this one before... Does water actually absorb light, or is 
this due to scattering like with the sky?


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.