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From: Tor Olav Kristensen
Subject: Iso Columns (90KB)
Date: 25 Oct 2000 07:59:26
Message: <39F692D0.CD4CD557@online.no>
After some more experimenting with iso-surfacess and
patterns in MegaPOV, I got this image.

There are 3 different built-in patterns at work here.

Can anyone tell which?


Tor Olav
--
mailto:tor### [at] hotmailcom
http://www.crosswinds.net/~tok/tokrays.html


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Download 'patterncylinder.jpg' (90 KB)

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patterncylinder.jpg


 

From: Gail Shaw
Subject: Re: Iso Columns (90KB)
Date: 25 Oct 2000 08:11:01
Message: <39f69595@news.povray.org>
Tor Olav Kristensen <tto### [at] onlineno> wrote in message
news:39F692D0.CD4CD557@online.no...
>
> After some more experimenting with iso-surfacess and
> patterns in MegaPOV, I got this image.
>
> There are 3 different built-in patterns at work here.
>
> Can anyone tell which?
>

Hmmm, Gradient y for the colour, wrinkles for the 'normal', maybe
bozo for the shape?

Gail
--
********************************************************************
* gsh### [at] monotixcoza              * System.dat not found.         *
* http://www.rucus.ru.ac.za/~gail/ * Reformat hard drive Y)es O)k  *
********************************************************************
* If at first you don't succeed, call it version 1.0               *
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From: Psychomek
Subject: Re: Iso Columns (90KB)
Date: 25 Oct 2000 08:34:48
Message: <39F6C657.DF79CDCD@home.com>
Stalagmites!

Tor Olav Kristensen wrote:

> After some more experimenting with iso-surfacess and
> patterns in MegaPOV, I got this image.
>
> There are 3 different built-in patterns at work here.
>
> Can anyone tell which?
>
> Tor Olav
> --
> mailto:tor### [at] hotmailcom
> http://www.crosswinds.net/~tok/tokrays.html
>
>   ------------------------------------------------------------------------
>  [Image]


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From: Tony[B]
Subject: Re: Iso Columns (90KB)
Date: 25 Oct 2000 09:07:25
Message: <39f6a2cd@news.povray.org>
Bellisimo!


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From: Mr  Art
Subject: Re: Iso Columns (90KB)
Date: 25 Oct 2000 11:18:27
Message: <39F6F99B.1716561E@chesapeake.net>
Looks like something that Gillis Tran would come up with for his Book
of Beginnings


Tor Olav Kristensen wrote:
> 
> After some more experimenting with iso-surfacess and
> patterns in MegaPOV, I got this image.
> 
> There are 3 different built-in patterns at work here.
> 
> Can anyone tell which?
> 
> Tor Olav
> --
> mailto:tor### [at] hotmailcom
> http://www.crosswinds.net/~tok/tokrays.html
> 
>   ------------------------------------------------------------------------
>  [Image]


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From: Ross Litscher
Subject: Re: Iso Columns (90KB)
Date: 25 Oct 2000 21:22:31
Message: <39f74f17@news.povray.org>
Could I please see some source? email or otherwise...

:)

Thanks,
ross


Tor Olav Kristensen <tto### [at] onlineno> wrote in message
news:39F692D0.CD4CD557@online.no...
>
> After some more experimenting with iso-surfacess and
> patterns in MegaPOV, I got this image.
>
> There are 3 different built-in patterns at work here.
>
> Can anyone tell which?
>
>
> Tor Olav
>


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From: Margus Ramst
Subject: Re: Iso Columns (90KB)
Date: 26 Oct 2000 01:46:29
Message: <39F77EE5.C7D75C96@peak.edu.ee>
Tor Olav Kristensen wrote:
> 
> After some more experimenting with iso-surfacess and
> patterns in MegaPOV, I got this image.
> 

Pretty atmospheric...

> There are 3 different built-in patterns at work here.
> 
> Can anyone tell which?
> 

Granite, gradient, maybe leopard for the pillars (very large scale along Y)?

-- 
Margus Ramst

Personal e-mail: mar### [at] peakeduee
TAG (Team Assistance Group) e-mail: mar### [at] tagpovrayorg


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From: John VanSickle
Subject: Re: Iso Columns (90KB)
Date: 26 Oct 2000 02:19:02
Message: <39F795DF.1BA07A7C@erols.com>
Tor Olav Kristensen wrote:
> 
> After some more experimenting with iso-surfacess and
> patterns in MegaPOV, I got this image.
> 
> There are 3 different built-in patterns at work here.
> 
> Can anyone tell which?

I am going to venture on a limb and say that the basic
shape is the leopard, the striation is done by squished
bozo (or bumps), and the roughness is by granite.

There seems to be a pinch of turbulence here, too.

Regards,
John
-- 
ICQ: 46085459


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From: David Fontaine
Subject: Re: Iso Columns (90KB)
Date: 26 Oct 2000 04:10:42
Message: <39F7AC0D.C1706908@faricy.net>
Wrinkles, gradient and either crackle or one of the bozo-type patterns...

--
David Fontaine  <dav### [at] faricynet>  ICQ 55354965
My raytracing gallery:  http://davidf.faricy.net/


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From: Tor Olav Kristensen
Subject: Re: Iso Columns (90KB)
Date: 26 Oct 2000 18:35:31
Message: <39F87919.58F94DAD@online.no>
Hello everyone !

Thank you for replying to my post and thank you for 
your compliments.

The patterns that are involved in the rendering are:

bozo (i.e. noise3d)
granite
agate (modified by noise3d)


The agate pattern modifies the radius of the columns.
(There is a function that fetches the "field strength"
of the agate pattern at the centerline of the cylinders 
and uses this value to modify their radius.)

The bozo pattern "turbulates" the cylinders.

And a small amount of the granite pattern adds a stony 
look to the surface of the cylinders.


I have posted the source code to povray.text.scene-files:

http://news.povray.org/39F87459.FEA073F8%40online.no


Regards,

Tor Olav
-- 
mailto:tor### [at] hotmailcom
http://www.crosswinds.net/~tok/tokrays.html


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