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27 Jun 2024 16:45:46 EDT (-0400)
  Looking for help putting together a realistic faded marble texture (Message 1 to 5 of 5)  
From: Uthred
Subject: Looking for help putting together a realistic faded marble texture
Date: 13 Oct 2011 07:55:00
Message: <web.4e96d0f1420114fffc1bc4ef0@news.povray.org>
I was hoping someone could give me some pointers for putting together realistic
looking faded stone textures, particularly something akin to the marble used
here
http://www.sacred-destinations.com/germany/aachen-cathedral-photos/slides/IMG_0371
I'm relatively new to Povray and so far my efforts at putting together a texture
that doesnt look wildy fake have been less than successful. Any pointers would
be gratefully appreciated.


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From: Thomas de Groot
Subject: Re: Looking for help putting together a realistic faded marble texture
Date: 13 Oct 2011 10:12:49
Message: <4e96f1e1$1@news.povray.org>
On 13-10-2011 13:52, Uthred wrote:
> I was hoping someone could give me some pointers for putting together realistic
> looking faded stone textures, particularly something akin to the marble used
> here
> http://www.sacred-destinations.com/germany/aachen-cathedral-photos/slides/IMG_0371
> I'm relatively new to Povray and so far my efforts at putting together a texture
> that doesnt look wildy fake have been less than successful. Any pointers would
> be gratefully appreciated.
>
>
I have put in p.b.scene-files a collection of stone textures that I have 
since I started with POV-Ray somewhen in 1996/97. I don't remember where 
I got them, nor who was the original author (and obviously forgot to not 
it down back then). In time, I have adapted them slightly to successive 
versions of POV-Ray. They are a good basis for further development or to 
use just like that.

Enjoy.

Thomas


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From: Thomas de Groot
Subject: Re: Looking for help putting together a realistic faded marble texture
Date: 13 Oct 2011 10:26:30
Message: <4e96f516$1@news.povray.org>
On 13-10-2011 13:52, Uthred wrote:
> http://www.sacred-destinations.com/germany/aachen-cathedral-photos/slides/IMG_0371

To approach this, I suggest to use a layered texture: one of the stone 
textures as basic layer, then a semi-transparant one over it to suggest 
the wear fade. The wear at the angles is more difficult but can be 
approached with the use of a proximity pattern. Over the years, several 
have been developed by - especially - Sam Benge and Edouard Poor, in 
2009. You should be able to find the threads in p.b.i. in particular.

Thomas


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From: Uthred
Subject: Re: Looking for help putting together a realistic faded marble texture
Date: 13 Oct 2011 18:15:01
Message: <web.4e9762afe44f926fc1bc4ef0@news.povray.org>
Thomas de Groot <tenDOTlnDOTretniATtoorgedDOTt> wrote:
> On 13-10-2011 13:52, Uthred wrote:
> > http://www.sacred-destinations.com/germany/aachen-cathedral-photos/slides/IMG_0371
>
> To approach this, I suggest to use a layered texture: one of the stone
> textures as basic layer, then a semi-transparant one over it to suggest
> the wear fade. The wear at the angles is more difficult but can be
> approached with the use of a proximity pattern. Over the years, several
> have been developed by - especially - Sam Benge and Edouard Poor, in
> 2009. You should be able to find the threads in p.b.i. in particular.
>
> Thomas

Thanks so much for the quick response and the excellent suggestions.


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From: Thomas de Groot
Subject: Re: Looking for help putting together a realistic faded marble texture
Date: 14 Oct 2011 03:03:37
Message: <4e97dec9$1@news.povray.org>
On 14-10-2011 0:14, Uthred wrote:
> Thanks so much for the quick response and the excellent suggestions.
>
>
I am using a newsreader, so I do not have the exact addresses, but in 
p.b.scene-files search for the thread: DF3 Proximity Macro 0.95 - Source 
and Example  by Edouard Poor (september 10th, 2009).

In p.t.scene-files you can find the thread: fast_prox02.inc  by stbenge 
(august 24th, 2009).

Play with those and see which corresponds best to your personality ;-)

Thomas


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