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Hello
I am trying to make a surreal organic texture for some biowin
models/animations I am trying to create.
Mainly stuff like hr giger textures.
I have seen a bryce way of doing this using a volumetric texture (see
http://www.petersharpe.com/Tutorial31.htm), and am not sure how to do this
in povray.
Also thinking of bio luminescence, and am not sure how to go about doing
this.
I have seen some of the AOI textures and this looks very cool, but as my
organic object is very complex, and I am trying to animate, it could take a
very long time (which i do not have).
Does anyone have any code/incs that can create wierd organic textures/hr
giger textures?
I have thought about image maps with bozo texture on top, I might try this.
Thanks
darrenf
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On Mon, 14 Jul 2003 05:31:49 EDT, "darrenf" <dar### [at] ukonline net> wrote:
> I have seen some of the AOI textures and this looks very cool, but as my
> organic object is very complex, and I am trying to animate, it could take a
> very long time (which i do not have).
Why do you think AOI texture is slow? AOI realised as patch does not need many
calculations. It is basically just angle between two vectors.
ABX
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In article <web.3f12788565af23e552c52af60@news.povray.org>,
"darrenf" <dar### [at] ukonline net> wrote:
> I have seen a bryce way of doing this using a volumetric texture (see
> http://www.petersharpe.com/Tutorial31.htm), and am not sure how to do this
> in povray.
If you are trying for a glowing appearance, look at emitting media.
--
Christopher James Huff <cja### [at] earthlink net>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tag povray org
http://tag.povray.org/
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From: David Wallace
Subject: Re: surreal organic textures - need some help
Date: 2 Aug 2003 09:25:04
Message: <3f2bbbb0@news.povray.org>
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Try this:
#declare texDark = texture {
pigment { rgb 0.1 }
normal { ripples 0.2 }
finish { diffuse 1 ambient 0 }
}
#declare texMid = texture {
pigment { granite
color_map {
[ 0 rgb <0.0, 0.7, 0.7> ]
[ 1 rgb <0.0, 1.0, 0.0> ]
}
}
normal { graite 0.3 }
finish {
reflection { 0.0, 0.3 metallic }
ambient 0.3 diffuse 0.7
phong 0.30 phong_size 100 metallic
}
}
#declare texLight = texture {
pigment {
crackle
turbulence 0.8
omega 0.75
color_map {
[ 0 rgb <1.00, 1.00, 0.95> ]
[ 1 rgb <1.00, 0.85, 0.70> ]
}
}
normal {
crackle 0.23
turbulence 0.8
omega 0.75
}
finish {
reflection { 0.2, 0.7 }
ambient 0.8 diffuse 0.2
specular 0.7 roughness 0.001 metallic 0.4
}
}
#declare texSkin = texture {
gradient x
turbulence 0.2
octaves 8
omega 0.7
texture_map {
[ 0.100 texDark ]
[ 0.150 texMid ]
[ 0.200 texLight ]
[ 0.300 texLight ]
[ 0.350 texMid ]
[ 0.400 texDark ]
[ 0.675 texDark ]
[ 0.725 texMid ]
[ 0.775 texMid ]
[ 0.825 texDark ]
}
}
The trick to "glowing" textures is the ambient part of the finish,
especially with radiosity. If you load the sample scene "radiosity2.pov"
that came with POV-Ray and replace one of the object textures with texLight
or texSkin you will see what I mean.
"Christopher James Huff" <cja### [at] earthlink net> wrote in message
news:cja### [at] netplex aussie org...
> In article <web.3f12788565af23e552c52af60@news.povray.org>,
> "darrenf" <dar### [at] ukonline net> wrote:
>
> > I have seen a bryce way of doing this using a volumetric texture (see
> > http://www.petersharpe.com/Tutorial31.htm), and am not sure how to do
this
> > in povray.
>
> If you are trying for a glowing appearance, look at emitting media.
>
> --
> Christopher James Huff <cja### [at] earthlink net>
> http://home.earthlink.net/~cjameshuff/
> POV-Ray TAG: chr### [at] tag povray org
> http://tag.povray.org/
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In article <3f2bbbb0@news.povray.org>,
"David Wallace" <dar### [at] earthlink net> wrote:
> The trick to "glowing" textures is the ambient part of the finish,
> especially with radiosity. If you load the sample scene "radiosity2.pov"
> that came with POV-Ray and replace one of the object textures with texLight
> or texSkin you will see what I mean.
He mentioned volumetric textures. Ambient is only a surface effect, if
actual volumetric effects are desired, media is (almost) necessary.
--
Christopher James Huff <cja### [at] earthlink net>
http://home.earthlink.net/~cjameshuff/
POV-Ray TAG: chr### [at] tag povray org
http://tag.povray.org/
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