POV-Ray : Newsgroups : povray.advanced-users : Function request Server Time
1 Nov 2024 15:24:47 EDT (-0400)
  Function request (Message 1 to 2 of 2)  
From: Josh
Subject: Function request
Date: 31 May 2005 12:02:34
Message: <429c8a9a@news.povray.org>
I been thinking about a Media density function, but I'm not clever enough to 
know how to do it but I think it should be possible.

Similar to cylindrical function but travelling down the zero axis in all 
three (or is it 6) directions passing through <0,0,0> Density 1 on the axis 
and fading to 0 up to one unit from any of the axis.

Can anyone do that? ( I'm not clever enough )


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From: Daniel Hulme
Subject: Re: Function request
Date: 31 May 2005 12:16:55
Message: <20050531171655.0929fd91@dh286.pem.cam.ac.uk>
> Similar to cylindrical function but travelling down the zero axis in
> all  three (or is it 6) directions passing through <0,0,0> Density 1
> on the axis  and fading to 0 up to one unit from any of the axis.
> 
> Can anyone do that? ( I'm not clever enough ) 
Depending on what you want the fall-off to look like near the origin,
add together a cylindrical for each axis and subtract a sphere with
density 2 in the origin fading to 0 with radius 1.

Daniel

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