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From: Christoph Hormann
Subject: Re: isosurface & radiosity test (86k)
Date: 11 Jul 2001 05:57:30
Message: <3B4C238C.FBBDC4A0@gmx.de>
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Thomas Lake wrote:
>
> Aww come on, no fair, your not supposed to post photos in here!:-)
It's really fairly simple, lighting worked quite well, but the geometry is
far from being realistic.
Christoph
--
Christoph Hormann <chr### [at] gmx de>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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From: Christoph Hormann
Subject: Re: isosurface & radiosity test (86k)
Date: 11 Jul 2001 06:00:38
Message: <3B4C2447.60FCC2EB@gmx.de>
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Francois Labreque wrote:
>
> > Looks like some sort of mineral deposit from a hot spring.
>
> Except mineral deposits don't hover in mid-air!
>
:-)
That's a general problem with isosurfaces, you often can't prevent parts
to separate from the surface.
Christoph
--
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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From: Christoph Hormann
Subject: Re: isosurface & radiosity test (86k)
Date: 11 Jul 2001 06:02:10
Message: <3B4C24A3.AF33AFA1@gmx.de>
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Tom Melly wrote:
>
> Who threw that rock?
That was me (or Mr. noise generator if you want so)
>
> Excellent btw.
Thank you.
Christoph
--
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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From: Christoph Hormann
Subject: Re: isosurface & radiosity test (86k)
Date: 11 Jul 2001 06:04:39
Message: <3B4C2538.F63402AE@gmx.de>
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Sean Johnson wrote:
>
> Amazing results.. All 52 hours counted on this image!
Thanks, but 52 hours for a simple test scene are really quite a lot IMO.
Christoph
--
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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From: Christoph Hormann
Subject: Re: isosurface & radiosity test (86k)
Date: 11 Jul 2001 06:11:28
Message: <3B4C26D1.35D2537D@gmx.de>
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Tek wrote:
>
> Very very impressive. It's amazing how good a "simple" isosurface can look :)
>
Thanks!
It is really quite simple, the agate pattern often leads to interesting
results with isosurfaces, although it's of course quite slow.
> Can you post the source please? I'd love to have a look at the isosurface and
> radiosity settings.
Is in p.t.s-f.
Christoph
--
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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From: Christoph Hormann
Subject: Re: isosurface & radiosity test (86k)
Date: 11 Jul 2001 06:12:58
Message: <3B4C272B.1171C564@gmx.de>
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"Rick [Kitty5]" wrote:
>
> Yike!
Thank you.
>
> source now dammit !!
>
Don't tell me you want to start coding isosurfaces... ;-)
See in p.t.s-f. anyway.
Christoph
--
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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From: Christoph Hormann
Subject: Re: isosurface & radiosity test (86k)
Date: 11 Jul 2001 06:17:26
Message: <3B4C2836.C68B6286@gmx.de>
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"Bob H." wrote:
>
> No less than incredible. A *real* beautiful render.
>
Thanks Bob, glad you like it.
Christoph
--
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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In article <3B4B6914.A2A00614@gmx.de>, Christoph Hormann says...
>
> I again started making some experiments with isosurfaces and radiosity,
> now with a new faster computer that's much more fun than before, but still
> quite slow.
>
> The isosurface function is fairly simple, a 'blob' from a plane and a
> sphere with an agate pigment function added.
>
> The radiosity quality settings are quite high, probably could reduce count
> to some extend without visible artefacts. The scene took 52 hours to
> render at this size, statistics showed an incredible amount of 105 billion
> DNoise calls, again a sign that current isosurface code is far from being
> efficient with slow isosurface functions.
>
> Christoph
>
Return to Mars! Great!!
--
Regards, Sander
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From: Christoph Hormann
Subject: Re: isosurface & radiosity test (86k)
Date: 12 Jul 2001 16:29:27
Message: <3B4E0932.4F907893@gmx.de>
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Sander wrote:
>
> >
> Return to Mars! Great!!
Not really sure if mars would look like that, but thank anyway.
Christoph
--
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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Christoph Hormann wrote:
>
> That's a general problem with isosurfaces, you often can't prevent parts
> to separate from the surface.
Yeah. It's easy enough with just a plane, but with a blob i don't know
how you'd do it. POV needs surface displacement! :)
--
David Fontaine <dav### [at] faricynet> ICQ 55354965
My raytracing gallery: http://davidf.faricy.net/
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