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From: Bob Hughes
Subject: some fun with old Star Trek episode Corbomite Maneuver
Date: 17 Mar 2006 08:01:38
Message: <441ab332@news.povray.org>
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Watched this ST episode again, recorded on a VHS tape several years ago. The
colors very faded. One of my favorites of Star Trek. I'm part trekkie
anyhow. Maybe you know which show this was, too. Always wanted to put that
enormous spaceship together in POV and so I finally did over the past couple
days. The Enterprise is just some spheres, cylinders, cones, boxes.
What took me the longest time to do was finding a way to put the spheres all
around into another spherical shape. I knew people had done plenty on that
subject, uniform or random distribution. I didn't want to copy someone else
so I tried looking for just a simple equation. When I did find one it was
chaotic, something didn't seem right anyway, so I changed it around until I
got what you see here. It still isn't like the ship, which had a hexagonal
pattern.
Attached is three of the frames (with added force field) . The animation
itself (no force field) can be found at my site via the Animations link.
Nothing perfected at all, just playing with POV once again.
Thanks for looking!
--
Bob H www.3digitaleyes.com
http://3digitaleyes.com/imagery/
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Preview of image 'corbomite-fesarius_3frames-small.jpg'
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Nifty. I raise a glass of green Tranya in your honor.
"Bob Hughes" <omniverse@charter%net> wrote:
> Watched this ST episode again, recorded on a VHS tape several years ago. The
> colors very faded. One of my favorites of Star Trek. I'm part trekkie
> anyhow. Maybe you know which show this was, too. Always wanted to put that
> enormous spaceship together in POV and so I finally did over the past couple
> days. The Enterprise is just some spheres, cylinders, cones, boxes.
>
> What took me the longest time to do was finding a way to put the spheres all
> around into another spherical shape. I knew people had done plenty on that
> subject, uniform or random distribution. I didn't want to copy someone else
> so I tried looking for just a simple equation. When I did find one it was
> chaotic, something didn't seem right anyway, so I changed it around until I
> got what you see here. It still isn't like the ship, which had a hexagonal
> pattern.
>
> Attached is three of the frames (with added force field) . The animation
> itself (no force field) can be found at my site via the Animations link.
> Nothing perfected at all, just playing with POV once again.
>
> Thanks for looking!
> --
> Bob H www.3digitaleyes.com
> http://3digitaleyes.com/imagery/
Post a reply to this message
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"Bob Hughes" <omniverse@charter%net> wrote:
> Watched this ST episode again, recorded on a VHS tape several years ago. The
> colors very faded. One of my favorites of Star Trek. I'm part trekkie
> anyhow. Maybe you know which show this was, too. Always wanted to put that
> enormous spaceship together in POV and so I finally did over the past couple
> days. The Enterprise is just some spheres, cylinders, cones, boxes.
>
Nicely done! (One of my favorite ST episodes as well.) Actually, your
multi-sphere placement DOES look hexagonal to me; good job.
I seem to recall (a fading memory...kind of like your video ;-) ) that the
small spheres may have been larger/closer together. Filling up more of the
intervening spaces. Just a guess.
How about posting a larger image of your Enterprise model? Looks good.
Ken W.
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From: Bob H
Subject: Re: some fun with old Star Trek episode Corbomite Maneuver
Date: 22 Mar 2006 09:55:41
Message: <4421656d@news.povray.org>
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"Kenneth" <kdw### [at] earthlink net> wrote in message
news:web.442101aa6340e35ca0aec440@news.povray.org...
>
> Nicely done! (One of my favorite ST episodes as well.) Actually, your
> multi-sphere placement DOES look hexagonal to me; good job.
Thank you, Ken. Maybe depends on how you look at it. It's actually spiraling
lines, with a twist. I've used more than one set of spheres for the
yellow-white group by changing the incremental value added in the other
loops and using a slightly different sphere size. It's terribly sloppy
because that put spheres within spheres but it helped get variances in the
pulses of light without trying to find other ways to pattern their
locations.
Here's one loop:
#local n=500;
#local i=1; // initial value. could begin at 2 or ?
#while (i<=n)
#local h = -1 + 2*(i-1)/(n-1);
#local theta=acos(h);
#if (i=1 | i=n) // need to match above initial value
#local phi = 0;
#else
#local phi = i; // was: (phi[k-1] + 3.6/sqrt(N*(1-h^2))) mod (2*pi)
#end
sphere {
<cos(phi)*sin(theta), sin(phi)*sin(theta), cos(theta)>, 0.06
hollow
}
#local i=i+3; // would otherwise be +1 or +2
#end
Converted from what I found in a search, which used arrays instead, I almost
got nowhere with it until I removed that modulus (did try correct syntax for
POV) from phi and just used the increment value (was k, changed to i). It
had been placing spheres pseudorandomly before that. Or I just didn't get
the conversion right.
> I seem to recall (a fading memory...kind of like your video ;-) ) that
> the
> small spheres may have been larger/closer together. Filling up more of the
> intervening spaces. Just a guess.
I was surprised to find out the smaller light spheres aren't two different
colors in two different places, even after such a recent watching of the TV
show being fresh in my mind. So, in one way it has more spacing and another
it doesn't. I searched for Fesarius and found this:
http://www.memory-alpha.org/en/wiki/Fesarius
> How about posting a larger image of your Enterprise model? Looks good.
Thanks again. You will see how crude it really is now! I think I've put the
nacelles on there wrong, too low, but I haven't even checked against another
model or picture until now. It was only put in there for the scale effect.
--
Bob H www.3digitaleyes.com
http://3digitaleyes.com/imagery/
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From: Alain
Subject: Re: some fun with old Star Trek episode Corbomite Maneuver
Date: 22 Mar 2006 20:33:40
Message: <4421faf4$1@news.povray.org>
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Bob H nous apporta ses lumieres en ce 22/03/2006 09:55:
>
> Thanks again. You will see how crude it really is now! I think I've put the
> nacelles on there wrong, too low, but I haven't even checked against another
> model or picture until now. It was only put in there for the scale effect.
>
>
The nacels are much to low. They should reach compeltely over the saucer section.
Also, the pods
holding the nacels are to thick, as is the section connecting the saucer to the
secondary hull.
--
Alain
-------------------------------------------------
Honk if you love peace and quiet.
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