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From: Greg M Johnson
Subject: High density center for isosurface 3dnoise
Date: 9 Oct 1999 20:46:29
Message: <37ffe1e5@news.povray.org>
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If anyone ever has a need for such a thing, here it is:
isosurface {
function
{(noise3d(x*f,y*f,z*f)+((sqrt(x^2+y^2+z^2)/R)^1))}
accuracy 0.01
threshold 1
sign 1
bounded_by {
sphere{0,500}
}
pigment{White}
}
Thanks for the advice. I was hoping to shoot my pathfinder algorithm at
it. The image below is a slice provided by
&(-z)&(z+.02).
Post a reply to this message
Attachments:
Download 'isodense.jpg' (13 KB)
Preview of image 'isodense.jpg'
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From: Bob Hughes
Subject: Re: High density center for isosurface 3dnoise
Date: 9 Oct 1999 21:33:43
Message: <37ffecf7@news.povray.org>
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Has the appearance of a low resolution photograph of a globular star
cluster.
Bob
Post a reply to this message
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Bob Hughes wrote:
>
> Has the appearance of a low resolution photograph of a globular star
> cluster.
>
> Bob
I was thinking more along the lines of green chewing gum stuck to the bottom
of my shoe but your observation is a little more flattering than mine is so
let's go with that instead.
--
Ken Tyler
1100+ Povray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html
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One thing's for sure: there are many ways to do the same thing when it comes
to isosurfaces. This has a nice gradual taper to it.
"Greg M. Johnson" wrote:
> If anyone ever has a need for such a thing, here it is:
>
> isosurface {
> function
> {(noise3d(x*f,y*f,z*f)+((sqrt(x^2+y^2+z^2)/R)^1))}
> accuracy 0.01
> threshold 1
> sign 1
> bounded_by {
> sphere{0,500}
> }
> pigment{White}
> }
>
> Thanks for the advice. I was hoping to shoot my pathfinder algorithm at
> it. The image below is a slice provided by
> &(-z)&(z+.02).
>
> ------------------------------------------------------------------------
> [Image]
--
Samuel Benge
E-Mail: STB### [at] aol com
Website: http://members.aol.com/stbenge
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