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> > <sighs> Now you tell me. Ah well, it's done now
>
> Photon mapping simulates light refracting through transparent or
> reflecting off reflective objects onto other surfaces...if you don't
> have anything for them to show up on, you are just wasting time shooting
> photons. All of the surfaces in this image appear to be either
> transparent or reflective, with nothing for the caustics to have much of
> an effect on.
>
It does have some effect on more complex items, such as hollow objects with
glass objects inside, doesn't it?
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"Chris Huff" <chr### [at] mac com> wrote in message
news:chrishuff-280F5A.22122531122000@news.povray.org...
> In article <3a4fead2@news.povray.org>, "Lance Birch" <-> wrote:
>
> > Works here, but it uses DivX.
>
> Which explains why I couldn't see it...
>
Okay, gif at
http://www.data.homecreatures.com/pics/ring1.gif
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In article <3a4ffd23@news.povray.org>, "Data" <not@all> wrote:
> It does have some effect on more complex items, such as hollow
> objects with glass objects inside, doesn't it?
If there are no surfaces or media for the photons to show up on, they
will only slow things down. They behave like any other illumination.
Glass usually won't show them, and most metals will only have a slight
visible effect. If you entire scene is a complex object composed of
highly reflective metal and completely transparent glass, you will just
drive up your render time.
However, if you put that object in a box or on a plane with a mostly
non-reflective, opaque texture, or use media...
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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From: Lance Birch
Subject: Re: something I'm toying with [AVI, 268kbu]
Date: 31 Dec 2000 23:30:28
Message: <3a5007e4@news.povray.org>
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I have no probs with DivX :) But most people don't have the codec installed
:)
--
Lance.
http://come.to/the.zone
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> If there are no surfaces or media for the photons to show up on, they
> will only slow things down. They behave like any other illumination.
> Glass usually won't show them, and most metals will only have a slight
> visible effect. If you entire scene is a complex object composed of
> highly reflective metal and completely transparent glass, you will just
> drive up your render time.
> However, if you put that object in a box or on a plane with a mostly
> non-reflective, opaque texture, or use media...
>
> --
Ah, okay. Using it on timber, smoke, etc?
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In article <3a5007e4@news.povray.org>, "Lance Birch" <-> wrote:
> I have no probs with DivX :) But most people don't have the codec
> installed
As far as I can tell, there is no Mac codec for it, which means I can't
play any DivX-encoded movies. There *is* a player for it...but it
requires the Mac version of Microsoft Media Player...bleh.
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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"Lance Birch" <-> wrote in message news:3a5007e4@news.povray.org...
> I have no probs with DivX :) But most people don't have the codec
installed
> :)
>
Guess I'll have to post links in future. One to an AVI and one to a GIF
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> Ah, okay. Using it on timber, smoke, etc?
If the timber has any reflective qualities, the photons will reflect off it
on to other objects. Also, for example, if you have a shiny metal ring
sitting on a timber surface, you'll get photons shining off the metal on to
the timber surface.
--
Lance.
http://come.to/the.zone
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From: Lance Birch
Subject: Re: something I'm toying with [AVI, 268kbu]
Date: 1 Jan 2001 00:13:36
Message: <3a501200@news.povray.org>
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Data <not@all> wrote in message news:3a500d7a@news.povray.org...
> "Lance Birch" <-> wrote in message news:3a5007e4@news.povray.org...
> > I have no probs with DivX :) But most people don't have the codec
> installed
> > :)
> >
> Guess I'll have to post links in future. One to an AVI and one to a GIF
Try compressing it with MPEG, that way everyone will be able to view it as
there are lots of players for many different platforms.
You might consider using a utility like AVI2MPG if you want to keep an AVI
copy, without having to render to Targas.
--
Lance.
http://come.to/the.zone
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> > Guess I'll have to post links in future. One to an AVI and one to a GIF
>
> Try compressing it with MPEG, that way everyone will be able to view it as
> there are lots of players for many different platforms.
>
> You might consider using a utility like AVI2MPG if you want to keep an AVI
> copy, without having to render to Targas.
>
Or just do a batch conversion of the bmps
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