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I used an IOR of -1 together with scattering media type 5 to create this fur
effect but I can't jugde if it is worth the rendering time compared to a fur
texture, so what do you think?
Post a reply to this message
Attachments:
Download 'fur.jpg' (81 KB)
Preview of image 'fur.jpg'
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Looks like a very soft, fine, red fur. I want to run my fingers over it =)
The shading is realistic. Then again, I'm not sure if I'd know it was fur if
I wasn't told so. I think it's pretty good though.
--
- Slime
[ http://www.slimeland.com/ ]
[ http://www.slimeland.com/images/ ]
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Looks like velvet to me. Did it take ages to render ?
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> I used an IOR of -1 together with scattering media type 5 to create this fur
> effect but I can't jugde if it is worth the rendering time compared to a fur
> texture, so what do you think?
Looks good!
What's the rendertime?
cu!
--
camera{location-z*3}#macro G(b,e)b+(e-b)*(C/50)#end#macro L(b,e,k,l)#local C=0
;#while(C<50)sphere{G(b,e),.1pigment{rgb G(k,l)}finish{ambient 1}}#local C=C+1
;#end#end L(y-x,y,x,x+y)L(y,-x-y,x+y,y)L(-x-y,-y,y,y+z)L(-y,y,y+z,x+y)L(0,x+y,
<.5,1,.5>,x)L(0,x-y,<.5,1,.5>,x) // ZK http://www.povplace.be.tf
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"oliWood" <O.E### [at] durham acuk> wrote in message
news:3C62A729.8AEE1321@durham.ac.uk...
> Looks like velvet to me. Did it take ages to render ?
Yeah gee, tell how long it took at least. Not just "not sure worth the
time" :-)
Looks fuzzy anyway, even if not exactly fur-like. Nice idea.
bob h
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> Looks like a very soft, fine, red fur. I want to run my fingers over it =)
>
> The shading is realistic. Then again, I'm not sure if I'd know it was fur
if
> I wasn't told so.
Then perhaps you like this one more:
>I think it's pretty good though.
>
Thanks.
Post a reply to this message
Attachments:
Download 'for slime.jpg' (11 KB)
Preview of image 'for slime.jpg'
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That would make a perfect jewelry box. Can't tell without a pic, but this
may look better in a close up than other fur textures.
-Shay
Simon Adameit <gom### [at] gmxde> wrote in message
news:3c62a06f@news.povray.org...
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oliWood <O.E### [at] durhamacuk> schrieb in im Newsbeitrag:
3C62A729.8AEE1321@durham.ac.uk...
> Looks like velvet to me. Did it take ages to render ?
No, it renders quite fast and gives acceptable results even with the default
media settings but there is still a difference between a few seconds and a
few minutes.
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> Looks good!
Thanks!
> What's the rendertime?
>
A few minutes.
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> That would make a perfect jewelry box.
Perhaps I'll make one :-)
>Can't tell without a pic, but this
> may look better in a close up than other fur textures.
>
Have to try it.
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Since the render time is only a few minutes, I believe that this method is
worth the time in some cases. Your fur has a distinct look from other fur
methods.
The only problem I can see is on the csg items. If you used union, then
merge would probably correct the problem. If you are using merge already,
then the method has a definite flaw.
-Shay
Simon Adameit <gom### [at] gmxde> wrote in message
news:3c62a06f@news.povray.org...
> I used an IOR of -1 together with scattering media type 5 to create this
fur
> effect but I can't jugde if it is worth the rendering time compared to a
fur
> texture, so what do you think?
>
>
>
>
>
>
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> Since the render time is only a few minutes, I believe that this method is
> worth the time in some cases. Your fur has a distinct look from other fur
> methods.
> The only problem I can see is on the csg items. If you used union, then
> merge would probably correct the problem. If you are using merge already,
> then the method has a definite flaw.
>
Sorry, but I can't see the problem. Could you please point me to it.
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Simon Adameit <gom### [at] gmxde> wrote in message
news:3c62ca51$1@news.povray.org...
> Sorry, but I can't see the problem. Could you please point me to it.
>
>
>
On your rounded box and rounded cyl I can see the outine of the individual
CSG objects. Might just be an illusion or compression. I'm not sure. I
wonder if a superellipsoid would show the same effect.
-Shay
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>
> On your rounded box and rounded cyl I can see the outine of the individual
> CSG objects. Might just be an illusion or compression. I'm not sure. I
> wonder if a superellipsoid would show the same effect.
>
I've used merge so I think a superellipsoid would give the same effect.
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Simon Adameit wrote:
>
> I used an IOR of -1 together with scattering media type 5 to create this fur
> effect but I can't jugde if it is worth the rendering time compared to a fur
> texture, so what do you think?
It really is more velvet than fur; you can tell straightaway.
Incidentally, that edging effect on the rounded objects I think occurs
in real life too. Should check that...
Excellent stuff!
--
signature{
"Grey Knight" contact{ email "gre### [at] yahoocom" }
site_of_week{ url "http://digilander.iol.it/jrgpov" }
}
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>
> It really is more velvet than fur; you can tell straightaway.
Hey, I didn't even know what fur means. I just saw that all the others were
calling this fur and thought that it would be the right word but now where
I've looked it up I agree with you that it really looks more like velvet and
not fur.
> Incidentally, that edging effect on the rounded objects I think occurs
> in real life too. Should check that...
> Excellent stuff!
>
Thanks!
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Looks great either as short haired fur or velvet.
I would never have thought of using a negative IOR.
To quote Vroomfondel on this: 'I think our brains must be
to highly trained, Majikthise'
But if the POV developers allows fysically impossible
values, who am I to complain.
Andrel
Simon Adameit wrote:
> I used an IOR of -1 together with scattering media type 5 to create this fur
> effect but I can't jugde if it is worth the rendering time compared to a fur
> texture, so what do you think?
>
> [Image]
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If I were you, I'd market your texture as -the- definitive velvet of Povray.
This is really a great texture!
Simon Adameit wrote:
> I used an IOR of -1 together with scattering media type 5 to create this fur
> effect but I can't jugde if it is worth the rendering time compared to a fur
> texture, so what do you think?
>
> [Image]
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On Thu, 7 Feb 2002 16:42:16 +0100, Simon Adameit wrote:
> I used an IOR of -1 together with scattering media type 5 to create this fur
> effect but I can't jugde if it is worth the rendering time compared to a fur
> texture, so what do you think?
It doesn't look like fur as such, but it's still exelent. It's more like
velvet.
--
sphere{z*5,1pigment{rgb.5}finish{reflection.3specular.5}}box{<-50,-3,-50>
<50,-2,50>pigment{checker/*\__\\__/ * \_\\__*/scale 2}finish{ambient.7}}
light_source/*__\\__\\__\\__\\__\( ~ )\__\\__\\__\\__\\*/{<2,5,1>*4,1}
/*\\__\\__\\__\\__\\__\\__\\__\\__\~ -/__\\__\\__\\__\\__\\*//* Steve */
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> effect but I can't jugde if it is worth the rendering time compared to a
fur
> texture, so what do you think?
>
If the rendering time is not above 5 minutes, I'd accept it.. Looks good,
but media is said to be too slow.
Hugo
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"Hugo" <hua### [at] post3teledk> wrote in message news:3c638db2@news.povray.org...
>
<snip>
Hmm, very different method, but very similiar to Rune's "fur" texture. His looks
like velvet too...
http://rsj.mobilixnet.dk/3d/goodies/goodies.html
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"andrel linnenbank" <a.c### [at] amcuvanl> wrote in message
news:3C62FE97.F02251B2@amc.uva.nl...
> Looks great either as short haired fur or velvet.
> I would never have thought of using a negative IOR.
<snip>
> But if the POV developers allows fysically impossible
> values, who am I to complain.
I don't know a link to any info, but I remember reading about some highly
ionised gas, plasma, or similar, etc that had a negative index of
refraction. I'll look into it. As another interesting point, I read a few
weeks ago about a reasearch group who had found a material with such high
IOR properties that it actually stopped the light dead - ie reduced it
velocity to zero and suspended the photons in a gas - which makes it very
useful for optical computers.
Jim
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here are some links for negative IOR and 'slow' light
http://physicsweb.org/article/world/14/9/12 -IOR
http://physicsweb.org/article/world/14/9/8 - slow light
Jim
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Sponge like or soft rubber covered by the mouse pad covering material...??
Simon Adameit wrote:
> I used an IOR of -1 together with scattering media type 5 to create this fur
> effect but I can't jugde if it is worth the rendering time compared to a fur
> texture, so what do you think?
>
> [Image]
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"Simon Adameit" <gom### [at] gmxde> wrote:
> I used an IOR of -1 together with scattering media type 5 to create this fur
> effect but I can't jugde if it is worth the rendering time compared to a fur
> texture, so what do you think?
Very nice image, but could you please post the complete source for
this scene?
Thanks
Sven
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Yes, please!
I'll render it on a falling piece of fabric that i've got here. (It's
triangle mesh but it should be possible.)
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