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Every time I've paid attention to how explosions look on pictures and on TV
I've noticed that they do indeed look solid. But every time someone post a
POV-Ray image or animation with a solid looking explosion he/she is always
told that it shouldn't look so solid.
Let's try to find out how explosions *really* look. So please post lots of
links to images and/or animations of real explosions! :)
Rune
--
\ Include files, tutorials, 3D images, raytracing jokes,
/ The POV Desktop Theme, and The POV-Ray Logo Contest can
\ all be found at http://rsj.mobilixnet.dk (updated January 28)
/ Also visit http://www.povrayusers.org
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Rune wrote:
> Let's try to find out how explosions *really* look. So please post lots of
> links to images and/or animations of real explosions! :)
http://www.vce.com/pyro.html
G.
--
**********************
http://www.oyonale.com
**********************
Graphic experiments
Pov-ray gallery
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"Gilles Tran" <tra### [at] inapg inrafr> wrote in message
news:3A7EA281.5A25FB74@inapg.inra.fr...
> Rune wrote:
>
> > Let's try to find out how explosions *really* look. So please post lots
of
> > links to images and/or animations of real explosions! :)
>
> http://www.vce.com/pyro.html
>
> G.
Bit hard to tell from the stuff available on the above link, as it shows
either explosions taking place against black or solid colour backgrounds.
Couldn't someone on this ng volunteer to blow up a large object, having
arranged a b+w checkerboard the size of the titanic behind it?
I strongly suspect that explosions are "solid" in appearence, but since
AFAIK my experience of such explosions is entirely based on movies, I may
just be perpetuating a fiction.
However, it would seem likely that an explosion both absorbs other light via
particles, etc. as well as emitting.
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Tom Melly wrote:
> However, it would seem likely that an explosion both absorbs other light via
> particles, etc. as well as emitting.
Yes, if it contains both dust/ash and fire, saith this
grad-school-dropout-in-materials-science.
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Some good stuff at:
http://www.exponent.com/multimedia/thermal.html
(mov format)
http://www.exponent.com/multimedia/cases/hend.html
is particularily good and would seem to confirm that hollywood got it right.
One thing to note is the very high quantities of smoke.
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Maybe this will help?
http://visualmagic.awn.com/nov98/explom.html
--
C.J. POV User
PRSG (POV Ray Study Gallery)
www.crosswinds.net/~povstudy
mai### [at] yaoocom
Rune <run### [at] inamecom> wrote in message
news:3a7e9e44$1@news.povray.org...
> Every time I've paid attention to how explosions look on pictures and on
TV
> I've noticed that they do indeed look solid. But every time someone post a
> POV-Ray image or animation with a solid looking explosion he/she is always
> told that it shouldn't look so solid.
>
> Let's try to find out how explosions *really* look. So please post lots of
> links to images and/or animations of real explosions! :)
>
> Rune
> --
> \ Include files, tutorials, 3D images, raytracing jokes,
> / The POV Desktop Theme, and The POV-Ray Logo Contest can
> \ all be found at http://rsj.mobilixnet.dk (updated January 28)
> / Also visit http://www.povrayusers.org
>
>
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In the first place, are you talking about real explosions of real
*Hollywood* explosions. If you've ever seen a high explosive blowing up
(like dynamite or C4) it is pretty much all blast, little fire, and a
bunch of smoke left over. Compare the typical building demolition to
what you see when Hollywood blows up a building.
Sometimes you just gotta ask : Where did all that flame come from?
Ben
<><
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Ben Birdsey <cla### [at] mailcom> wrote:
> Sometimes you just gotta ask : Where did all that flame come from?
Doesn't everyone know that all space ships are filled with gasolene, even
the crew compartments? And all control panels are rigged to explode with
showers of sparks too.
Geoff
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Rune <run### [at] inamecom> wrote in message
news:3a7e9e44$1@news.povray.org...
> Let's try to find out how explosions *really* look.
Here's a gallery of nuclear weapon test explosions. Most look pretty solid.
http://www.enviroweb.org/issues/nuketesting/testpix/index.html
The two 'stand-out' POV scenes featuring explosions that I know - Peter
Houston's Tripods image and N.B. and Glenn McCarter's First Strike - both
have solid explosions. But maybe that's not too surprising as they both use
roughly the same code for their explosions...
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Geoff Wedig wrote:
>
> Ben Birdsey <cla### [at] mailcom> wrote:
>
> Sometimes you just gotta ask : Where did all that flame come from?
>
> Doesn't everyone know that all space ships are filled with gasoline,
> even the crew compartments? And all control panels are rigged to
> explode with showers of sparks too.
Which you can read about on the Grand List of Overused Science Fiction
Cliches, which I maintain at:
http://users4.50megs.com/enphilistor/cliche.htm
Both of these are listed in section four of the document.
Regards,
John
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