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From: Christoph Hormann
Subject: Tree Stump [190k]
Date: 6 Jun 2003 08:17:32
Message: <3EE08680.A4B89F6E@gmx.de>
This image shows some of my latest experiments with creating wood objects
with isosurfaces.

The grass is made with makegrass, the flowers with a custom macro.  Focal
blur is post processed.

I am still struggling with the bark finish - it does not appear very
realistic but i am not sure if it's mainly the finish or the surface
structure.  

Christoph

-- 
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 28 Feb. 2003 _____./\/^>_*_<^\/\.______


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Attachments:
Download 'tree_test.jpg' (190 KB)

Preview of image 'tree_test.jpg'
tree_test.jpg


 

From: ABX
Subject: Re: Tree Stump [190k]
Date: 6 Jun 2003 08:20:53
Message: <2m11ev4irc5cjvmp5olu5g77u1g1egav3o@4ax.com>
On Fri, 06 Jun 2003 14:18:08 +0200, Christoph Hormann <chr### [at] gmxde>
wrote:
> I am still struggling with the bark finish - it does not appear very
> realistic but i am not sure if it's mainly the finish or the surface
> structure.  

wow, next isowood ?

ABX


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From: Slashdolt
Subject: Re: Tree Stump [190k]
Date: 6 Jun 2003 09:17:06
Message: <3ee09452$1@news.povray.org>
That's just simply amazing!

The grass is perfect, and the stump looks incredible, though I'll agree that
I think the finish on the bark seems just a little bit off.  But the bark
itself is amazing!  I hope you'll give us the code...

Render time?

-- 
Slash


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From: Slime
Subject: Re: Tree Stump [190k]
Date: 6 Jun 2003 10:54:29
Message: <3ee0ab25@news.povray.org>
Very realistic.

> I am still struggling with the bark finish - it does not appear very
> realistic but i am not sure if it's mainly the finish or the surface
> structure.

I think it's the color. Try something closer to grey, rather than brown.
Look at a real tree to copy.

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


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From: Christoph Hormann
Subject: Re: Tree Stump [190k]
Date: 6 Jun 2003 10:57:37
Message: <3EE0AC09.376CEA57@gmx.de>
ABX wrote:
> 
> [...]
> 
> wow, 

Thanks.

> next isowood ?

Possibly.  

Christoph

-- 
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 28 Feb. 2003 _____./\/^>_*_<^\/\.______


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From: Christoph Hormann
Subject: Re: Tree Stump [190k]
Date: 6 Jun 2003 11:00:06
Message: <3EE0AC9D.636B776B@gmx.de>
Slashdolt wrote:
> 
> That's just simply amazing!

Thank you.

> [...]
> I hope you'll give us the code...

There will probably be something in this direction in next isowood but i
don't know when.

> Render time?

6 hours.

Christoph

-- 
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 28 Feb. 2003 _____./\/^>_*_<^\/\.______


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From: Christoph Hormann
Subject: Re: Tree Stump [190k]
Date: 6 Jun 2003 11:06:56
Message: <3EE0AE37.2D5006B2@gmx.de>
Slime wrote:
> 
> Very realistic.
> 

Thanks.

> 
> I think it's the color. Try something closer to grey, rather than brown.
> Look at a real tree to copy.

The colors are from real trees - i don't think it's too saturated
(although a lot of trees are more grayish of course) but bark has some
pretty complicated reflectivity properties and the geometry mostly is
quite tricky as well (often there is a layered structure leading to pretty
flat and shiny 'plateaus' between rougher parts).

Christoph

-- 
POV-Ray tutorials, include files, Sim-POV,
HCR-Edit and more: http://www.tu-bs.de/~y0013390/
Last updated 28 Feb. 2003 _____./\/^>_*_<^\/\.______


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From: Mark Hanson
Subject: Re: Tree Stump [190k]
Date: 6 Jun 2003 11:16:56
Message: <3ee0b068$1@news.povray.org>
Wow -- depth of field! I love it. Excellent render.


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From:  Light Beam 
Subject: Re: Tree Stump [190k]
Date: 6 Jun 2003 11:51:32
Message: <3ee0b884$1@news.povray.org>
Incredible anyway... very impressive work


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From: Jim Charter
Subject: Re: Tree Stump [190k]
Date: 6 Jun 2003 20:03:54
Message: <3ee12bea@news.povray.org>
Christoph Hormann wrote:
> 
> Slime wrote:
> 
>>Very realistic.
>>
> 
> 
> Thanks.
> 
> 
>>I think it's the color. Try something closer to grey, rather than brown.
>>Look at a real tree to copy.
> 
> 
> The colors are from real trees - i don't think it's too saturated
> (although a lot of trees are more grayish of course) but bark has some
> pretty complicated reflectivity properties and the geometry mostly is
> quite tricky as well (often there is a layered structure leading to pretty
> flat and shiny 'plateaus' between rougher parts).
> 
> Christoph
> 
Beautiful job.  The saturation of the color is what jumped out for me 
too.  It's not impossible, but it stretches believability.


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