POV-Ray : Newsgroups : povray.binaries.images : Worthy of a Portrait Server Time
2 Aug 2024 16:26:46 EDT (-0400)
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From: clipka
Subject: Re: Worthy of a Portrait
Date: 4 Aug 2013 14:57:08
Message: <51fea404@news.povray.org>
Am 04.08.2013 15:13, schrieb clipka:
> Am 04.08.2013 11:03, schrieb Stephen:
>
>>> But the moment I saw her lovely face framed by that gorgeous red hair I
>>> knew she'd have to wear green clothes from head to toe. She loves green,
>>> you know.
>>
>> It is a very Irish look, especially with the green livery.
>
> .... and the red hair of course.

Well, I thought /this/ one was an exceptionally beautiful image (if it 
wasn't for the artifacts in her face; don't blame it on POV-Ray, this 
one was rendered using DAZ Studio's built-in renderer) - but... ah well, 
just stay by for the render I'm currently running in POV-Ray; from what 
I'm seeing in the preview window I guess it /might/ be worth the wait...


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2013-08-02 2143 young half-elf woman 960x600.png


 

From: Jaime Vives Piqueres
Subject: Re: Worthy of a Portrait
Date: 5 Aug 2013 03:03:28
Message: <51ff4e40$1@news.povray.org>
Yeah, this one looks amazing, but is even better if I hide her eyes with
my finger... then, suddenly, the skin looks almost real, specially her
lips.

--
Jaime


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From: Paolo Gibellini
Subject: Re: Worthy of a Portrait
Date: 5 Aug 2013 04:04:08
Message: <51ff5c78@news.povray.org>
>clipka  on date 03/08/2013 11.04 wrote:
> Taking a walk through the woods yesterday evening, by chance I met this
> young lady, and instantly felt inspired to portray her.
Interesting people in your neighbourhood. And interesting image.
Paolo


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From: MichaelJF
Subject: Re: Worthy of a Portrait
Date: 5 Aug 2013 15:05:00
Message: <web.51fff67e733ff2194e47766f0@news.povray.org>
Paolo Gibellini <p.g### [at] gmailcom> wrote:
> >clipka  on date 03/08/2013 11.04 wrote:
> > Taking a walk through the woods yesterday evening, by chance I met this
> > young lady, and instantly felt inspired to portray her.
> Interesting people in your neighbourhood. And interesting image.
> Paolo

Indeed a very fine image. I know that there are very interesting women in the
woods (more or less) close to your town. I married one of them.

Best regards,
Michael


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From: clipka
Subject: Re: Worthy of a Portrait
Date: 5 Aug 2013 15:25:40
Message: <51fffc34@news.povray.org>
Am 05.08.2013 09:03, schrieb Jaime Vives Piqueres:
> Yeah, this one looks amazing, but is even better if I hide her eyes with
> my finger... then, suddenly, the skin looks almost real, specially her
> lips.

Speaking of eyes: While that render I mentioned before is still running, 
I've conjured up a procedural iris texture that will feature in a later 
render.


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eyes.png


 

From: Alain
Subject: Re: Worthy of a Portrait
Date: 5 Aug 2013 17:45:11
Message: <52001ce7$1@news.povray.org>

> Am 05.08.2013 09:03, schrieb Jaime Vives Piqueres:
>> Yeah, this one looks amazing, but is even better if I hide her eyes with
>> my finger... then, suddenly, the skin looks almost real, specially her
>> lips.
>
> Speaking of eyes: While that render I mentioned before is still running,
> I've conjured up a procedural iris texture that will feature in a later
> render.
>

It's probably one of the best iris I've ever seen, just next to some 
actual iris photos...

Care to share it?


Alain


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From: clipka
Subject: Re: Worthy of a Portrait
Date: 5 Aug 2013 22:25:45
Message: <52005ea9$1@news.povray.org>
Am 05.08.2013 23:45, schrieb Alain:
> It's probably one of the best iris I've ever seen, just next to some
> actual iris photos...

Thanks. I was actually quite surprised how easy it was to achieve.

> Care to share it?

Here it is; note that it is a UV-mapped texture designed to fit the DAZ 
Genesis eyes; for other models, the main material (M_Iris) may need some 
tweaking. Also note that the DAZ Genesis model has separate geometry for 
the iris and the cornea; if this is not the case for your model, you 
will also need to tweak the finish.

(Ah, and last not least, the slight "cat's pupil" effect in the image I 
posted is in the geometry, not the material.)

--------------------------------------------------------------------
#declare P_Iris_Shadowed = pigment { color rgb 0 }

#declare P_Iris_Base = pigment {
   granite
   color_map {
     [ 0.0 color srgb <0.4,0.5,0.3> ] // <-- primary color
     [ 1.0 color srgb <0,0,0> ]
   }
   translate z
   scale 0.5
}

#declare P_Iris_A = pigment {
   P_Iris_Base
   scale 0.7
   warp { black_hole <0,0,0>, 1 strength 1 falloff 2 }
}

#declare P_Iris_B = pigment {
   granite
   pigment_map {
     [ 0.0 color srgb <0.7,0.7,0.3> ] // <-- secondary color
     [ 0.3 P_Iris_Base ]
   }
   scale 0.7
   warp { black_hole <0,0,0>, 1 strength 1 falloff 2 }
}

#declare M_Iris = material {
   texture {
     pigment {
       uv_mapping
       spherical
       pigment_map {
         [0.2  P_Iris_Shadowed]
         [0.3  P_Iris_A ]
         [0.4  P_Iris_A ]
         [0.5  P_Iris_B ]
         [0.6  P_Iris_B ]
         [0.65 P_Iris_Shadowed]
       }
       translate <1,1,0>
       warp { repeat 2*x }
       scale 0.25
     }
     finish { ambient 0 diffuse albedo 0.6 specular albedo 0 emission 0 }
   }
}
--------------------------------------------------------------------


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From: Thomas de Groot
Subject: Re: Worthy of a Portrait
Date: 6 Aug 2013 02:44:59
Message: <52009b6b$1@news.povray.org>
On 6-8-2013 4:25, clipka wrote:
> Am 05.08.2013 23:45, schrieb Alain:
>> It's probably one of the best iris I've ever seen, just next to some
>> actual iris photos...
>
> Thanks. I was actually quite surprised how easy it was to achieve.
>
>> Care to share it?
>
> Here it is; note that it is a UV-mapped texture designed to fit the DAZ
> Genesis eyes; for other models, the main material (M_Iris) may need some
> tweaking. Also note that the DAZ Genesis model has separate geometry for
> the iris and the cornea; if this is not the case for your model, you
> will also need to tweak the finish.

That's great, thanks a lot!

I shall try that with the Poser models. They have separate irises too.

Thomas


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From: Thomas de Groot
Subject: Re: Worthy of a Portrait
Date: 6 Aug 2013 03:54:42
Message: <5200abc2@news.povray.org>
Not as easy as I thought (naively) ;-)

This is the best I can do presently using Poser's Simon, by commenting out:

[0.2  P_Iris_Shadowed]

in the material, otherwise the iris becomes totally black. Also, the 
texture is not right even then.

This probably has to do with /how/ the iris is uv_mapped in the first 
place. I shall have to go back to the figure and work upwards to see 
where I need to tweak things.

Thomas


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poserfiguretest.png


 

From: Thomas de Groot
Subject: Re: Worthy of a Portrait
Date: 6 Aug 2013 04:29:08
Message: <5200b3d4@news.povray.org>
For testing purposes, I used a fill-in light to lessen the shadows 
around the eyes in the preceding image.

To do justice to the model /and/ to Ive's excellent skin texture macro, 
this is the image /without/ the fill-in.

Thomas


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poserfiguretest.png


 

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