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Just playing around with isosurface whirlpools...another thing that can
easily be done with isosurfaces but not CSG: multiple vortices.
--
Christopher James Huff
Personal: chr### [at] mac com, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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Attachments:
Download 'bathtub.jpeg.jpg' (5 KB)
Preview of image 'bathtub.jpeg.jpg'
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From: Lance Birch
Subject: Re: Who pulled the plug? - bathtub.jpeg (1/1)
Date: 15 Dec 2000 07:27:15
Message: <3a3a0e23@news.povray.org>
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Ooo... very nice :) I'd like to see that made in to a stereogram :))
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From: Jérôme M Berger
Subject: Re: Who pulled the plug? - bathtub.jpeg (1/1)
Date: 15 Dec 2000 07:55:10
Message: <3A3A14AE.DD71C514@enst.fr>
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Chris Huff wrote:
>
> Just playing around with isosurface whirlpools...another thing that can
> easily be done with isosurfaces but not CSG: multiple vortices.
>
What's the equation for that? Something with a spiral pigment?
--
* Abandon the search for truth, * mailto:ber### [at] inamecom
* Settle for a good fantasy. * http://www.enst.fr/~jberger
*********************************
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<jbe### [at] enstfr> wrote:
> What's the equation for that? Something with a spiral pigment?
No special pigment, just flat blue...or were you talking about a pigment
function? Nope, not one of those...
#declare Vortex =
function {
1/(sqr(x)+sqr(z)+0.3) + sin(atan2(x,z)*7 + y*10)*0.025
}
isosurface {
function {y
+Vortex(x+2,y,z)
+Vortex(x-2,y,z)
+Vortex(x*3+1,y*3, z*3+3)*0.1
+Vortex(x*3-1,y*3, z*3-3)*0.1
}
threshold 0
...
}
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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This looks really great. I saw the source and hope that one day I'll be able to
do/use these isothingies.
Remco
Chris Huff wrote:
>
> Just playing around with isosurface whirlpools...another thing that can
> easily be done with isosurfaces but not CSG: multiple vortices.
>
> --
> Christopher James Huff
> Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
> TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
>
> <><
>
> [Image]
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From: Jérôme M Berger
Subject: Re: Who pulled the plug? - bathtub.jpeg (1/1)
Date: 15 Dec 2000 09:20:13
Message: <3A3A289D.31BEA37E@enst.fr>
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Chris Huff wrote:
>
> No special pigment, just flat blue...or were you talking about a pigmen
t
> function? Nope, not one of those...
>
Yes, I meant a pigmnet function. Thanks for sharing the code.
--
* Abandon the search for truth, * mailto:ber### [at] inamecom
* Settle for a good fantasy. * http://www.enst.fr/~jberger
*********************************
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On Fri, 15 Dec 2000 15:14:27 +0100, Remco de Korte wrote...
> This looks really great. I saw the source and hope that one day I'll be able to
> do/use these isothingies.
I looked at the source, and whimpered...
Too much mathematics <shudder>
:)
Bye for now,
Jamie.
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Chris Huff wrote:
> 1/(sqr(x)+sqr(z)+0.3) + sin(atan2(x,z)*7 + y*10)*0.025
So simple! Genius
--
David Fontaine <dav### [at] faricynet> ICQ 55354965
My raytracing gallery: http://davidf.faricy.net/
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From: sacrofts
Subject: Re: Who pulled the plug? - bathtub.jpeg (1/1)
Date: 15 Dec 2000 17:36:27
Message: <3a3a9ceb@news.povray.org>
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Yes, I wish we could have an archive of all these wonderful functions
people are coming across
I for one, just cannot come up with this sort of thing
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From: Rick [Kitty5]
Subject: Re: Who pulled the plug? - bathtub.jpeg (1/1)
Date: 15 Dec 2000 21:15:29
Message: <3a3ad041@news.povray.org>
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Yes, I wish we could have an archive of all these wonderful functions people
are coming across
I for one, just cannot come up with this sort of thing
thats the idea behind povray.co.uk - a functions section is now in the list
of things to do
--
Rick
POVray News & Resources - http://www.povray.co.uk
Kitty5 WebDesign - http://www.kitty5.com
Hi-Impact web site design & database driven e-commerce
TEL : +44 (01625) 266358 - FAX : +44 (01625) 611913 - ICQ : 15776037
PGP Public Key
http://pgpkeys.mit.edu:11371/pks/lookup?op=get&search=0x231E1CEA
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