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From: Simon de Vet
Subject: Solar Sail Flyby (~280k)
Date: 2 Sep 2000 23:15:40
Message: <39B1C242.DA3F51E4@istar.ca>
A little something I've been playing around with the last few nights...

A solar sail ship flys past the camera. I'm basing the ship loosely on
the tropical lionfish.When I get a bit more done, I'll post some WIP
images in p.b.i.


I really had to kill the AVI settings to get this to a reasonable size.
Can anyone offer some tips?


Simon


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Attachments:
Download 'fishshiptiny.avi.dat' (278 KB)

From: Christoph Hormann
Subject: Re: Solar Sail Flyby (~280k)
Date: 3 Sep 2000 03:31:27
Message: <39B1FE82.3B444535@schunter.etc.tu-bs.de>
Simon de Vet wrote:
> 
> A little something I've been playing around with the last few nights...
> 
> A solar sail ship flys past the camera. I'm basing the ship loosely on
> the tropical lionfish.When I get a bit more done, I'll post some WIP
> images in p.b.i.
> 
> I really had to kill the AVI settings to get this to a reasonable size.
> Can anyone offer some tips?
> 
> Simon
> 

Looks good, although way too small :-) Maybe make the background less intensive,
so the ship is coming out better.  

Christoph

--
Christoph Hormann <chr### [at] gmxde>
Homepage: http://www.schunter.etc.tu-bs.de/~chris/


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From: Jamie Davison
Subject: Re: Solar Sail Flyby (~280k)
Date: 3 Sep 2000 06:58:05
Message: <MPG.141c3f49f61134339897b0@news.povray.org>
On Sun, 03 Sep 2000 00:15:14 -0300, Simon de Vet wrote...
> A little something I've been playing around with the last few nights...
> 
> A solar sail ship flys past the camera. I'm basing the ship loosely on
> the tropical lionfish.When I get a bit more done, I'll post some WIP
> images in p.b.i.
> 
> 
> I really had to kill the AVI settings to get this to a reasonable size.
> Can anyone offer some tips?

Errr... Try using mpeg?

Using a less busy background might help.

But I like it nonetheless.

Bye for now,
     Jamie.


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From: Rick [Kitty5]
Subject: Re: Solar Sail Flyby (~280k)
Date: 3 Sep 2000 13:24:32
Message: <39b28950@news.povray.org>
> A solar sail ship flys past the camera. I'm basing the ship loosely on
> the tropical lionfish.When I get a bit more done, I'll post some WIP
> images in p.b.i.

shouldn't iy have like a laser beam pushing it along? - there was a cartoon
i saw years ago with this..


> I really had to kill the AVI settings to get this to a reasonable size.
> Can anyone offer some tips?

can you say DivX;-) - i didnt do my recent anims in it for nothing you
know!!

Rick


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From: Chris Huff
Subject: Re: Solar Sail Flyby (~280k)
Date: 3 Sep 2000 14:59:34
Message: <chrishuff-DBDDFD.14011403092000@news.povray.org>
In article <39b28950@news.povray.org>, "Rick [Kitty5]" 
<ric### [at] kitty5com> wrote:

> shouldn't iy have like a laser beam pushing it along? - there was a 
> cartoon i saw years ago with this..

Solar sails are supposed to operate by using the solar wind, no laser is 
needed, and you would need an extremely powerful laser to have any 
effect anyway. I have read about another laser propulsion technology 
being developed, it uses a very powerful ground laser and a disk-shaped 
projectile. However, it relies on an atmosphere, and would be pretty 
much useless in space.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

<><


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From: Bob Hughes
Subject: Re: Solar Sail Flyby (~280k)
Date: 3 Sep 2000 15:49:29
Message: <39b2ab49@news.povray.org>
| I really had to kill the AVI settings to get this to a reasonable size.
| Can anyone offer some tips?

Only one that I know with certainty and that is to use frame to frame
consistency, that is to say, very little change between each.  Not exactly
going to help you there because of the panning camera but if you were to
move along with the sail at a slower speed and just let it pass without
turning around that should improve file size somewhat.

The sail is neat but it's illuminated on both sides nearly the same, no
great contrasting difference anyway.  Since that's how it works that might
be something to consider.
I saw Tron again not very long ago and this reminded me of the thing that
traveled on a beam of energy, no idea what it's called.

Bob


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From: Kevin Jackson-Mead
Subject: Re: Solar Sail Flyby (~280k)
Date: 3 Sep 2000 17:55:57
Message: <39B2C86F.FFD6ECDA@mindspring.com>
I read about quite a few different propulsion methods a while back in Robert
L. Forward's book "Indistinguishable From Magic".  In it, he talks about
some different areas of possible future technology which, if viewed by us
today, would be inidistinguishable from magic.  Then he gives short stories
which use some of these technologies.  I found it pretty interesting.

Kevin Jackson-Mead
http://www.mindspring.com/~jacksonmead

Chris Huff wrote:

> In article <39b28950@news.povray.org>, "Rick [Kitty5]"
> <ric### [at] kitty5com> wrote:
>
> > shouldn't iy have like a laser beam pushing it along? - there was a
> > cartoon i saw years ago with this..
>
> Solar sails are supposed to operate by using the solar wind, no laser is
> needed, and you would need an extremely powerful laser to have any
> effect anyway. I have read about another laser propulsion technology
> being developed, it uses a very powerful ground laser and a disk-shaped
> projectile. However, it relies on an atmosphere, and would be pretty
> much useless in space.
>
> --
> Christopher James Huff
> Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
> TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
>
> <><


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From: Rick [Kitty5]
Subject: Re: Solar Sail Flyby (~280k)
Date: 4 Sep 2000 06:45:22
Message: <39b37d42@news.povray.org>
> > shouldn't iy have like a laser beam pushing it along? - there was a
> > cartoon i saw years ago with this..
>
> Solar sails are supposed to operate by using the solar wind, no laser is
> needed, and you would need an extremely powerful laser to have any
> effect anyway. I have read about another laser propulsion technology
> being developed, it uses a very powerful ground laser and a disk-shaped
> projectile. However, it relies on an atmosphere, and would be pretty
> much useless in space.

of course!, but dont forget, this was a cartoon a saw when i was very small,
and it looked really cool, and thats what were after here most of the time -
if i remember rightly the laser hit the back of the hull, and then lit the
sails up, with a few other beams here and there for effect..- as i say
looked cool :)

i have seen (on disc chan) that laser propulsion thing you mention, its a
left over starwars laser blasting (short pulses) the underside of what looks
like an over expensive spinning top.

Rick


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From: Chris Huff
Subject: Re: Solar Sail Flyby (~280k)
Date: 4 Sep 2000 09:57:29
Message: <chrishuff-DA4461.08591404092000@news.povray.org>
In article <39b37d42@news.povray.org>, "Rick [Kitty5]" 
<ric### [at] kitty5com> wrote:

> i have seen (on disc chan) that laser propulsion thing you mention, 
> its a left over starwars laser blasting (short pulses) the underside 
> of what looks like an over expensive spinning top.

Actually, the description I saw was that it looked like an aluminum 
pie-pan.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

<><


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From: Ken
Subject: Re: Solar Sail Flyby (~280k)
Date: 4 Sep 2000 10:32:37
Message: <39B1FF75.63ABB60A@pacbell.net>
Chris Huff wrote:
> 
> In article <39b37d42@news.povray.org>, "Rick [Kitty5]"
> <ric### [at] kitty5com> wrote:
> 
> > i have seen (on disc chan) that laser propulsion thing you mention,
> > its a left over starwars laser blasting (short pulses) the underside
> > of what looks like an over expensive spinning top.
> 
> Actually, the description I saw was that it looked like an aluminum
> pie-pan.

The one I say a TV demonstration of looked like an expensive spinning
top. Two against one, you lose. :)

-- 
Ken Tyler - 1400+ POV-Ray, Graphics, 3D Rendering, and Raytracing Links:
http://home.pacbell.net/tylereng/index.html http://www.povray.org/links/


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