POV-Ray : Newsgroups : povray.binaries.images : Another glass of water (7+21 Kb) Server Time
15 Aug 2024 22:18:08 EDT (-0400)
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From: Bill DeWitt
Subject: Re: Another glass of water (7+21 Kb)
Date: 11 May 2002 08:59:38
Message: <3cdd15ba$1@news.povray.org>
"Rick [Kitty5]" <ric### [at] kitty5com> wrote in message
news:3cdcfb22@news.povray.org...
> Jaime Vives Piqueres <jai### [at] ignoranciaorg> wrote:
> >   IMHO, these two images do not benefit from any autocontrast,
> > normalizing, color enhacing, unsharp mask, etc...
>
> See attached image with side by side (one on the right has had a slight
> contrast tweak) and IMO looks much better.

    IMO, it ruins the blur on the tile wall and causes the glass to look
cut/pasted in.

    I think the image might have benefited by having some of the yellow
reduced (easily accomplished in POV), but there are other, more on-topic
places to discuss and demonstrate second party methods of doing that.


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From:
Subject: Re: Another glass of water (7+21 Kb)
Date: 11 May 2002 10:07:43
Message: <3cdd25af@news.povray.org>
"Jaime Vives Piqueres" <jai### [at] ignoranciaorg> wrote in message
news:3cdcde29@news.povray.org...
>

> this test. I was trying to see if my lighting macro worked fine with glass
> and photons, and casually I also intended to obtain well balanced images,
> without the need of external postprocessing. Not for "purism", but rather
> to have it achieved on one pass: I'm lazy, do you remember? :)

I really haven't followed this newsgroup for long so I have to ask what
exactly is this lighting macro of yours?


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From: Jide
Subject: Re: Another glass of water (7+21 Kb)
Date: 11 May 2002 14:49:00
Message: <3cdd679c@news.povray.org>
Jaime Vives Piqueres wrote:
>

> this test. I was trying to see if my lighting macro worked fine with glass
> and photons, and casually I also intended to obtain well balanced images,
> without the need of external postprocessing. Not for "purism", but rather
> to have it achieved on one pass: I'm lazy, do you remember? :)
>
>   IMHO, these two images do not benefit from any autocontrast,
normalizing,
> color enhacing, unsharp mask, etc... I'm still not satisfied with photons,
> but I supose it's only matter of decreasing photon spacing. I also tried
an
> area_light version, but my patience is very limited...

Simple but yet it makes envious of your skills. You are the master of
photorealism. I really don't see the minor 'flaws' the others have
mentioned.

--
-Jide


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From: Peter Hertel
Subject: Re: Another glass of water (7+21 Kb)
Date: 11 May 2002 19:29:22
Message: <3cdda952@news.povray.org>
Awesome! I especially like the photons in the first image.

>   IMHO, these two images do not benefit from any autocontrast,
normalizing,
> color enhacing, unsharp mask, etc... I'm still not satisfied with photons,
> but I supose it's only matter of decreasing photon spacing. I also tried
an
> area_light version, but my patience is very limited...

What's the render time?

-Peter


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From: Skip Talbot
Subject: Re: Another glass of water (7+21 Kb)
Date: 12 May 2002 01:14:59
Message: <3cddfa53$1@news.povray.org>
No one else said it, but.... WOW!

I'm going to make one of these my desktop just so people inquiry as to why I
have a *photograph* of a glass of water as my background.


Skip


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From: Slime
Subject: Re: Another glass of water (7+21 Kb)
Date: 12 May 2002 01:44:39
Message: <3cde0147@news.povray.org>
Woah... wait a second...

you posted two images. Originally, when I first looked at them, I was
comparing the first to the second, believing the second was a photo that you
had based the first one off of.

Now I realize the second was also a POV-Ray render.

Good job =)

 - Slime
[ http://www.slimeland.com/ ]


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From: Hugo
Subject: Re: Another glass of water (7+21 Kb)
Date: 12 May 2002 10:26:05
Message: <3cde7b7d@news.povray.org>
> I really haven't followed this newsgroup for long so I have to ask what
> exactly is this lighting macro of yours?

Jaime's light macros can be found here:
http://www.ignorancia.org/lightsys/

It helps you set up lights in POV that interacts realistically.


Hugo


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From: Jaime Vives Piqueres
Subject: Re: Another glass of water (7+21 Kb)
Date: 12 May 2002 17:31:42
Message: <3cdedf3d@news.povray.org>
Bill DeWitt wrote:
>     IMO, it ruins the blur on the tile wall and causes the glass to look
> cut/pasted in.

  Yes, I agree on this. And, indeed, it can be achieved with POV to some 
extent, playing with assumed_gamma and light intensities. Anyhow, it's a 
matter of taste, and I'm starting to like the slighty dull contrast 
obtained when using assumed_gamma 1.0.


-- 
Jaime Vives Piqueres

La Persistencia de la Ignorancia
http://www.ignorancia.org


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From: Jaime Vives Piqueres
Subject: Re: Another glass of water (7+21 Kb)
Date: 12 May 2002 17:35:21
Message: <3cdee019@news.povray.org>
Peter Hertel wrote:
> What's the render time?

  I think aprox. 20 min for the first and 38 for the second, on a 1.2Ghz 
AMD, using spacing .02 for photons.


-- 
Jaime Vives Piqueres

La Persistencia de la Ignorancia
http://www.ignorancia.org


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From: Jaime Vives Piqueres
Subject: Re: Another glass of water (7+21 Kb)
Date: 12 May 2002 17:35:38
Message: <3cdee02a@news.povray.org>
Slime wrote:

> you posted two images. Originally, when I first looked at them, I was
> comparing the first to the second, believing the second was a photo that
> you had based the first one off of.

  :) It hapenned to me some times...

-- 
Jaime Vives Piqueres

La Persistencia de la Ignorancia
http://www.ignorancia.org


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