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From: Andrew C on Mozilla
Subject: Hypercube wireframe (~140KB)
Date: 6 May 2004 15:41:33
Message: <409a94ed@news.povray.org>
Well, POV-Ray run for 2 days and 2 nights, to produce a 1,000 frame 
animation of a perspective projection of a wireframe hypercube, slowly 
rotating in two perpendicular planes (but at different speeds).

Sadly, the resulting animation is very beautiful, but 27MB. All attempts 
to reduce it in side look rubbish. So I'm just going to post a still here.

(Yes, that floor texture is WRONG. If I work out how, I'll fix it.)

Andrew @ home.


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Attachments:
Download 'hypercube3.jpg' (140 KB)

Preview of image 'hypercube3.jpg'
hypercube3.jpg


 

From: Darren New
Subject: Re: Hypercube wireframe (~140KB)
Date: 6 May 2004 15:57:27
Message: <409a98a7$1@news.povray.org>
Most excellent!


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From: Roberto Amorim
Subject: Re: Hypercube wireframe (~140KB)
Date: 6 May 2004 17:12:32
Message: <409aaa40@news.povray.org>
Truly impressive. Excellent work.


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From: Mark Weyer
Subject: Re: Hypercube wireframe (~140KB)
Date: 7 May 2004 04:13:12
Message: <409B4565.6050108@informatik.uni-freiburg.de>
Wow! Sixteen reflective spheres above a plane!

Seriously: I am not so sure anymore that povray is a good choice for 4D
visualization. The problem is that all these reflections make your object
look like it really belongs in 3D space. In the old days when wireframes
were "just lines" it was easier to acknowledge that what you see is only
a representation of something else. Maybe it would help to make the edges
thinner and the vertices smaller. Maybe I'm just missing the animation.

Anyway: Beautiful image. And don't remove the red spots from the floor.
The image would look rather pale without them.


-- 
merge{#local i=-11;#while(i<11)#local
i=i+.1;sphere{<i*(i*i*(.05-i*i*(4e-7*i*i+3e-4))-3)10*sin(i)30>.5}#end
pigment{rgbt 1}interior{media{emission x}}hollow}//  Mark Weyer


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From: Felbrigg
Subject: Re: Hypercube wireframe (~140KB)
Date: 7 May 2004 04:37:47
Message: <409b4adb$1@news.povray.org>
I like the still!


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From: Noe Falzon
Subject: Re: Hypercube wireframe (~140KB)
Date: 7 May 2004 11:26:42
Message: <noe.falzonPASDEPUB-ECE1A0.17251207052004@news.povray.org>
In article <409a94ed@news.povray.org>,
 Andrew C on Mozilla <voi### [at] devnull> wrote:

> Well, POV-Ray run for 2 days and 2 nights, to produce a 1,000 frame 
> animation of a perspective projection of a wireframe hypercube, slowly 
> rotating in two perpendicular planes (but at different speeds).
> 
> Sadly, the resulting animation is very beautiful, but 27MB. All attempts 
> to reduce it in side look rubbish. So I'm just going to post a still here.
> 
> (Yes, that floor texture is WRONG. If I work out how, I'll fix it.)
> 
> Andrew @ home.
> 
> ---------------------------------------------------------------------
> [Image]


Very nice textures !

Are you going to upload the amnimation somewhere on the web ?
The fourth dimension is always soooo fascinating ;)


Noe
-- 
"Je ne deteste que les bourreaux" -- Albert Camus

Pour m'ecrire un mail, veuillez retirer PASDEPUB de mon adresse ;)


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From: Andrew C on Mozilla
Subject: Re: Hypercube wireframe (~140KB)
Date: 7 May 2004 13:35:54
Message: <409bc8fa$1@news.povray.org>
> Very nice textures !
> 
> Are you going to upload the amnimation somewhere on the web ?
> The fourth dimension is always soooo fascinating ;)

I don't know - are *you* going to download 27MB? ;-)

Andrew @ home.


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From: Jamie Davison
Subject: Re: Hypercube wireframe (~140KB)
Date: 7 May 2004 14:13:24
Message: <MPG.1b05e23e3862e64b989da4@news.povray.org>
> > Are you going to upload the amnimation somewhere on the web ?
> > The fourth dimension is always soooo fascinating ;)
> 
> I don't know - are *you* going to download 27MB? ;-)

I've downloaded far bigger .avi's from the Planetside forums...

I think the biggest was about 160Mb...

So yes, there are idiots out there who would download it and kill your 
bandwidth if you were hosting from home :D

Jamie.


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From: Andrew C on Mozilla
Subject: Re: Hypercube wireframe (~140KB)
Date: 7 May 2004 14:25:16
Message: <409bd48c@news.povray.org>
Jamie Davison wrote:

>>>Are you going to upload the amnimation somewhere on the web ?
>>>The fourth dimension is always soooo fascinating ;)
>>
>>I don't know - are *you* going to download 27MB? ;-)
> 
> 
> I've downloaded far bigger .avi's from the Planetside forums...
> 
> I think the biggest was about 160Mb...
> 
> So yes, there are idiots out there who would download it and kill your 
> bandwidth if you were hosting from home :D

Oh, wait... my webspace is only 10MB! Well, that's that I guess...

Well, maybe not - I could *fit* it into (say) 9MB without too much loss 
of quality...

Alternatively, maybe I should just post to povray.binaries.scenefiles 
(Although it did take 3 days and 3 nights to render! LOL)

Andrew @ home.


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From: Andrew C on Mozilla
Subject: Re: Hypercube wireframe (~140KB)
Date: 7 May 2004 14:51:39
Message: <409bdabb@news.povray.org>
> Wow! Sixteen reflective spheres above a plane!

No checkers tho. ;-)

> Seriously: I am not so sure anymore that povray is a good choice for 4D
> visualization. The problem is that all these reflections make your object
> look like it really belongs in 3D space. In the old days when wireframes
> were "just lines" it was easier to acknowledge that what you see is only
> a representation of something else. Maybe it would help to make the edges
> thinner and the vertices smaller. Maybe I'm just missing the animation.

Well... the trouble with a true wireframe is that it can be just a mass 
of lines, and it's hard to figure out (no pun!) what you're actually 
supposed to be seeing.

A full render like this makes it easier to see the 3D form. Attempting 
to see a 4D form is probably impossible. Strictly you probably don't 
*need* the reflections, but I feel it helps you place things in 3D.

> Anyway: Beautiful image.

Well, I'm glad you like it. :-) I do too!

> And don't remove the red spots from the floor.
> The image would look rather pale without them.

Yeah... haven't got them to look quite right yet... I only recently got 
into texture layering in POV-Ray - fun, isn't it? ;-)

Andrew @ home.


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