POV-Ray : Newsgroups : povray.text.tutorials : Fog! havent got the foggiest !! Server Time
21 Nov 2024 12:33:30 EST (-0500)
  Fog! havent got the foggiest !! (Message 1 to 3 of 3)  
From: killervirus1
Subject: Fog! havent got the foggiest !!
Date: 29 Mar 2000 17:38:59
Message: <38e28603@news.povray.org>
My fog simply wont move in the y axis  !!

I simply want to create fog y*12  and with an alt of 2 but when i render
my scene the fog remains below the water level (10) and the picture is as
clear
as a bell!!not  good

heres the fog code ive used, unless im very short sighted i cant see
anything
wrong!!
fog{
    color rgbt <.5,.5,.5,.5>
    fog_type 2
    fog_offset 12
    fog_alt 2
   turbulence <2.5, .15, 2.5>
   omega 0.35
   lambda 1.25
   octaves 6
}


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From: Andre
Subject: Re: Fog! havent got the foggiest !!
Date: 29 Mar 2000 18:55:31
Message: <38e297f3@news.povray.org>
try an altitide of 12 or 14...

the y*12 is just saying which way is up (i think)

Good Luck
Andre


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From: ryan constantine
Subject: Re: Fog! havent got the foggiest !!
Date: 29 Mar 2000 21:18:27
Message: <38E2B9FF.D7CF58F7@yahoo.com>
i think the official docs tell us to use fog type two, specify the
height, below which (usually) the fog is constant and to set an altitude
where the fog fades to zero.  to get the effect you want, you have to
also use the up vector in fog and set it to -1*y.  then set fog_offset
to 12, and fog_alt to 0.  that should create a fog that is constant
above 12, and fades to zero at 0. or, you can make a really big hollow
box and fill it with media.

Andre wrote:
> 
> try an altitide of 12 or 14...
> 
> the y*12 is just saying which way is up (i think)
> 
> Good Luck
> Andre


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