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19 Jul 2024 09:30:15 EDT (-0400)
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From: Rune
Subject: Re: Underground Tunnel ( mpg 520 kbu )
Date: 14 Aug 2003 03:38:31
Message: <3f3b3c77@news.povray.org>
ABX wrote:
> "Rune" <run### [at] runevisioncom> wrote:
>> No suggestions requiring detailed modelling, please... ;)
>
> What else can I do if faces near camera destroy impression :-)

Well, the tunnel is not modelled, it's generated. Making more faces is a
matter of changing a parameter. I could do that...

Rune
--
3D images and anims, include files, tutorials and more:
rune|vision:  http://runevision.com **updated Jul 25**
POV-Ray Ring: http://webring.povray.co.uk


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From: Rune
Subject: Re: Underground Tunnel ( mpg 520 kbu )
Date: 14 Aug 2003 03:38:31
Message: <3f3b3c77$2@news.povray.org>
Andrew Wilcox wrote:
> I'd like to see a tunnel that was not undergound.

Well, that would be a completely different animation...

But out of curiosity, what are you thinking of specifically?

> You could improve the smoothness of the camera tracking.

I'll try.

Rune
--
3D images and anims, include files, tutorials and more:
rune|vision:  http://runevision.com **updated Jul 25**
POV-Ray Ring: http://webring.povray.co.uk


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From: Rune
Subject: Re: Underground Tunnel ( mpg 520 kbu )
Date: 14 Aug 2003 03:38:32
Message: <3f3b3c78$1@news.povray.org>
Sir Charles W. Shults III wrote:
>     It's Ronald Reagan's colon!

Heh...

Rune
--
3D images and anims, include files, tutorials and more:
rune|vision:  http://runevision.com **updated Jul 25**
POV-Ray Ring: http://webring.povray.co.uk


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From: Hugo Asm
Subject: Re: Underground Tunnel ( mpg 520 kbu )
Date: 14 Aug 2003 04:45:20
Message: <3f3b4c20@news.povray.org>
Triangles, I see! Btw, how did you make the tunnel loop perfectly? A granite
pattern never repeats.

> > let some coloured glows fly around...?
> I actually tried that exact idea at first,
> but it just didn't have any wow-effect.

Oh, well... What about attaching the glows to the rocks? That might look
less confusing.. I don't know about the wow's though.

Regards,
Hugo


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From: Rune
Subject: Re: Underground Tunnel ( mpg 520 kbu )
Date: 14 Aug 2003 06:01:19
Message: <3f3b5def@news.povray.org>
Hugo Asm wrote:
> Triangles, I see! Btw, how did you make the tunnel
> loop perfectly? A granite pattern never repeats.

Hehe, I hoped you'd ask that question!

If the tunnel was a torus, it'd make perfect sense, right? But the
tunnel is not a torus. However, the mapping is taken from a torus.

The displacement of the tunnel is UV-mapped (and so are the textures).
But instead of taking the mapping from a square in the xy-plane, I took
it from a torus. Well, technically, I made a function which mapped the
pattern on the surface of a torus onto a square in the xy-plane, and
like all uv-mapping, this square was then mapped onto the tunnel. I then
just placed two copies of the tunnel in the scene, one in extension of
the other.

A side effect is that the granite pattern in the tunnel is slightly more
squeezed together in the left side than in the right, but it's so little
that it's not noticeable.

> Oh, well... What about attaching the glows to the
> rocks? That might look less confusing.. I don't
> know about the wow's though.

It's an interesting idea.

Rune
--
3D images and anims, include files, tutorials and more:
rune|vision:  http://runevision.com **updated Jul 25**
POV-Ray Ring: http://webring.povray.co.uk


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From: Steven Pigeon
Subject: Re: Underground Tunnel ( mpg 520 kbu )
Date: 14 Aug 2003 23:12:39
Message: <3f3c4fa7$1@news.povray.org>
"Sir Charles W. Shults III" <aic### [at] cflrrcom> wrote in message
news:3f3a48a3$1@news.povray.org...
>     It's Ronald Reagan's colon!
>
> Cheers!
>
> Chip Shults
> My robotics, space and CGI web page - http://home.cfl.rr.com/aichip
>
>

That's weird... that's exactly what I thought... Not
necessarily Ronald Reagan's, but anyway...

Scary indeed...

Best,

    S.

--
Steven Pigeon, Ph. D.
pig### [at] iroumontrealca


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From: Andrew Wilcox
Subject: Re: Underground Tunnel ( mpg 520 kbu )
Date: 15 Aug 2003 03:34:30
Message: <3f3c8d06@news.povray.org>
> > I'd like to see a tunnel that was not undergound.
>
> Well, that would be a completely different animation...
>
> But out of curiosity, what are you thinking of specifically?

I was just kidding.  It's hard to picture a tunnel that's not underground.
:-)


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From: Arthur Flint
Subject: Re: Underground Tunnel ( mpg 520 kbu )
Date: 15 Aug 2003 07:24:13
Message: <3f3cc2dd$1@news.povray.org>
Andrew Wilcox wrote:
>>>I'd like to see a tunnel that was not undergound.
>>
>>Well, that would be a completely different animation...
>>
>>But out of curiosity, what are you thinking of specifically?
> 
> 
> I was just kidding.  It's hard to picture a tunnel that's not underground.
> :-)

How about a tunnel through a swirly mist, a tunnel through space-time (a 
worm hole), or a tornado?


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From: Greg M  Johnson
Subject: Re: Underground Tunnel ( mpg 520 kbu )
Date: 23 Aug 2003 21:52:52
Message: <3f481a74@news.povray.org>
Is the movement a spline or is it artificial intelligence navigating the
interior?

Why don't you put up some more images at zazzle if you're bored?


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From: Rune
Subject: Re: Underground Tunnel ( mpg 520 kbu )
Date: 24 Aug 2003 05:40:28
Message: <3f48880c@news.povray.org>
Greg M. Johnson wrote:
> Is the movement a spline or is it artificial
> intelligence navigating the interior?

It's a spline.

> Why don't you put up some more images at
> zazzle if you're bored?

My existing images are not good enough in my opinion, except one, which
will require quite some reworking before it will look good at a higher
resolution. And creating new images requires inspiration...

Rune
--
3D images and anims, include files, tutorials and more:
rune|vision:  http://runevision.com **updated Jul 25**
POV-Ray Ring: http://webring.povray.co.uk


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