POV-Ray : Newsgroups : povray.general : Radiosity test 2 Server Time
11 Aug 2024 19:30:32 EDT (-0400)
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From: Ken
Subject: Re: Radiosity test 2
Date: 4 Jul 1999 14:42:57
Message: <377FAAE8.E15156EF@pacbell.net>
Nieminen Mika wrote:

>   To everyone: I will probably write a text about how those images were
> done and my experience about radiosity (which is not very extensive, though).

  You are being modest and your input on this subject would be greatly
appreciated.

-- 
Ken Tyler

mailto://tylereng@pacbell.net


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From: Nieminen Mika
Subject: Re: Radiosity test 2
Date: 5 Jul 1999 02:21:53
Message: <37804f01@news.povray.org>
Ok, I added a link in the test page to a comments page.

-- 
main(i,_){for(_?--i,main(i+2,"FhhQHFIJD|FQTITFN]zRFHhhTBFHhhTBFysdB"[i]
):5;i&&_>1;printf("%s",_-70?_&1?"[]":" ":(_=0,"\n")),_/=2);} /*- Warp -*/


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From: Bob Hughes
Subject: Re: Radiosity test 2
Date: 6 Jul 1999 20:33:25
Message: <3782A042.2077FA91@aol.com>
I'll ditto that.


Ken wrote:
> 
>   You are being modest and your input on this subject would be greatly
> appreciated.
>


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From: ingo
Subject: Re: Radiosity test 2
Date: 8 Jul 1999 16:30:10
Message: <37850a52@news.povray.org>
Margus Ramst heeft geschreven in bericht <377CDC3E.3DF532DC@peak.edu.ee>...
>This is an excellent demonstration. .......
>Two suggestions:
>1) Your comments in test 1 give the impression that one can go beyond recursion
>level 2. As you probably know, this is not possible.
>2) .......
>
>Margus

Just did a test with recursion level above 2. It works. I went up to 50 with the
scene by Nieminen. I used the standard POV radiosity settings and only raised
the recursion level. In this scene there is no difference anymore with levels
above 5.


ingo

--
Met dank aan de muze met het glazen oog.


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From: Jay Raney
Subject: Re: Radiosity test 2 (Overexposed Radiosity)
Date: 17 Jul 1999 23:16:34
Message: <378FB031.57E2@usit.net>
Your images look great warp!
You have great command of the radiosity feature?

Your comments mention the use of radiosity in outdoor settings causing
an overexposed looking scene. I have had the same trouble with similar
scenes. In my experiments, a scene viewed at a certain distance appeared
overexposed. But, with no other changes to the scene than moving the
camera, the radiosity effects become less overexposed as the camera
moves closer. The effects continue to diminish as the camera gets closer
almost disappearing altogether at some point.
Do any of the radiosity settings control the scale of this phenomena?
Does anyone understand why this happens?

Thanks
Jay Raney


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From: Lance Birch
Subject: Re: Radiosity test 2 (Overexposed Radiosity)
Date: 17 Jul 1999 23:27:32
Message: <379149a4@news.povray.org>
>Does anyone understand why this happens?

Well, isn't it something to do with Radiosity not being scale independant?

I think Gilles mentioned this in one of his images that he had to scale the
whole scene down to fit it...

--
Lance.


---
For the latest 3D Studio MAX plug-ins, images and much more, go to:
The Zone - http://come.to/the.zone
For a totally different experience, visit my Chroma Key Website:
Colorblind - http://listen.to/colorblind
Jay Raney wrote in message <378### [at] usitnet>...
>Your images look great warp!
>You have great command of the radiosity feature?
>
>Your comments mention the use of radiosity in outdoor settings causing
>an overexposed looking scene. I have had the same trouble with similar
>scenes. In my experiments, a scene viewed at a certain distance appeared
>overexposed. But, with no other changes to the scene than moving the
>camera, the radiosity effects become less overexposed as the camera
>moves closer. The effects continue to diminish as the camera gets closer
>almost disappearing altogether at some point.
>Do any of the radiosity settings control the scale of this phenomena?
>Does anyone understand why this happens?
>
>Thanks
>Jay Raney


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From: Bob Hughes
Subject: Re: Radiosity test 2 (Overexposed Radiosity)
Date: 18 Jul 1999 07:44:12
Message: <3791BDE2.9B4A828E@aol.com>
Mostly the 'minimum_reuse' is scale related or rather scene
render-resolution dependant anyway. The documentation says this. Other
than that I would think only the 'distance_maximum' would be doing
anything with the scene scales, perhaps?


Lance Birch wrote:
> 
> >Does anyone understand why this happens?
> 
> Well, isn't it something to do with Radiosity not being scale independant?
> 
> I think Gilles mentioned this in one of his images that he had to scale the
> whole scene down to fit it...
> 
> --
> Lance.
> 
> ---
> For the latest 3D Studio MAX plug-ins, images and much more, go to:
> The Zone - http://come.to/the.zone
> For a totally different experience, visit my Chroma Key Website:
> Colorblind - http://listen.to/colorblind
> Jay Raney wrote in message <378### [at] usitnet>...
> >Your images look great warp!
> >You have great command of the radiosity feature?
> >
> >Your comments mention the use of radiosity in outdoor settings causing
> >an overexposed looking scene. I have had the same trouble with similar
> >scenes. In my experiments, a scene viewed at a certain distance appeared
> >overexposed. But, with no other changes to the scene than moving the
> >camera, the radiosity effects become less overexposed as the camera
> >moves closer. The effects continue to diminish as the camera gets closer
> >almost disappearing altogether at some point.
> >Do any of the radiosity settings control the scale of this phenomena?
> >Does anyone understand why this happens?
> >
> >Thanks
> >Jay Raney

-- 
 omniVERSE: beyond the universe
  http://members.aol.com/inversez/homepage.htm
 mailto://inversez@aol.com?Subject=PoV-News


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