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"Tom Melly" <tom### [at] tomandlu force9couk> wrote in message
news:38d8be70$1@news.povray.org...
| > that there probably shouldn't be such glowing lights in the vacuum of
| space.
|
| The gaseous debris of a recently destroyed foe?
Which would be only between those two lights and the viewer? Okay.... :-)
Bob
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On Wed, 22 Mar 2000 11:01:30 -0600, "Bob Hughes"
<omn### [at] hotmailcom?subject=PoV-News:> wrote:
>Except those
>fairly bright green jets and other bright glare places probably need some extra
>glow too. But then maybe those two sources of light are extremely bright by
>comparison.
Exactly. The exhaust glow is much fainter in comparison to some of
those lights. The halation wouldn't be noticeable around those
objects. One more clue that those "headlights" are really so much
brighter is the relatively large white area in their centers. The
light here was so bright, it has lost its color due to overloading the
film/sensor/retina of the viewer. The green exhaust on the other hand,
retains a pale green color even in the brighter areas. This means it
isn't bright enough to cause such desaturation.
Later,
Glen Berry
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On Wed, 22 Mar 2000 07:01:46 -0500, Chris Huff
<chr### [at] yahoocom> wrote:
>Anyway, as mentioned by Glen Berry, this sort of thing is usually caused
>by the lens, not the atmosphere.
Actually, this sort of effect can also be easily caused by an
atmosphere as well as a lens, a window pane, scuffed or dirty
sunglasses, camera film, a CCD sensor, or the human retina, to name a
few possibilities. It's just that in a space scene, we tend to assume
there is no "atmosphere" present.
If I understand it correctly, there are indeed pockets of gas and/or
dust in some areas of space. Perhaps these might be dense enough to
add an atmospheric effect to a ship's lights, but I'm really not sure.
Later,
Glen Berry
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In article <cAnZOMmqWb4Wng=Gvj6fTwQ+GoUo@4ax.com>, Glen Berry
<7no### [at] ezwvcom> wrote:
> On Wed, 22 Mar 2000 07:01:46 -0500, Chris Huff
> <chr### [at] yahoocom> wrote:
>
> >Anyway, as mentioned by Glen Berry, this sort of thing is usually caused
> >by the lens, not the atmosphere.
>
> Actually, this sort of effect can also be easily caused by an
> atmosphere as well as a lens, a window pane, scuffed or dirty
> sunglasses, camera film, a CCD sensor, or the human retina, to name a
> few possibilities. It's just that in a space scene, we tend to assume
> there is no "atmosphere" present.
The only thing I can think of that you missed is window screen. :-)
Basically, any object or substance between the camera and light source,
as well as components of the camera itself. However, I wouldn't expect a
dust cloud to make a lens flare-like shape, it would probably just make
a glow around the light source(unless it was something like magnetized
iron dust in a planetary or solar magnetic field, in which case the
particles might have a similar shape and orientation).
--
Christopher James Huff - Personal e-mail: chr### [at] yahoocom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Web page: http://chrishuff.dhs.org/
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<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
<html>
Very nice!
<p>try getting it at a different angle, or make a movie!
<p>Awesome!
<p>ZEGER KNAEPEN wrote:
<blockquote TYPE=CITE>I consider it finished. What do you think?
I had to fake media using
<br>discs.
<p>ZK
<p> ------------------------------------------------------------------------
<br> [Image]</blockquote>
</html>
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Bob Hughes wrote:
>
> Yes, I did happen to think of being in a space suit with the helmet creating the
> effect. Glad you pointed that out. The overall post-process 'soft_glow' makes
> that seem plausible (it is still using post-process isn't it?).
Sure!
Except those
> fairly bright green jets and other bright glare places probably need some extra
> glow too. But then maybe those two sources of light are extremely bright by
> comparison.
To add a glow to the green jets, I had to use media, and media doesn't
work well with blobs.
>
> Bob
ZK
http://www.crosswinds.net/~povplace
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Lewis wrote:
>
> Very nice!
>
> try getting it at a different angle, or make a movie!
Frame 45/100: computercrash... (W98SE :-)
Anyway, it didn't look cool.
I'll make another one tomorrow or so.
> Awesome!
Thanks!
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Well, well. I am definitely impressed. I especially like the irid {} you
used on the surface. Makes it look like a wet, reptilian skin. Which of
course it is. The guns are nicely detailed, and don't seem out of place.
I've still got a bit of a beef with the cockpit, as it doesn't look....scratch
that. I just went back and it looks fine. Excellent work!!
Perhaps a few more views? And loose or make shorter the green trails , they
look too much like green pencils sticking out the back. (at least to me :)
--
H.E. Day
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"H.E. Day" wrote:
>
> Well, well. I am definitely impressed. I especially like the irid {} you
> used on the surface. Makes it look like a wet, reptilian skin. Which of
> course it is.
It is? I don't know. I didn't meet the alien who designed it... :-)
> The guns are nicely detailed, and don't seem out of place.
> I've still got a bit of a beef with the cockpit, as it doesn't look....scratch
:-)
> that. I just went back and it looks fine. Excellent work!!
Thanks!
> Perhaps a few more views? And loose or make shorter the green trails , they
> look too much like green pencils sticking out the back. (at least to me :)
>
OK, I'll do that. I think the problem is that they don't seem to
glow. That's becaus I didn't use media for them. Media and blobs,
they hate each other...
> --
> H.E. Day
ZK
http://www.crosswinds.net/~povplace
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Zeger Knaepen wrote:
>
> > Perhaps a few more views? And loose or make shorter the green trails , they
> > look too much like green pencils sticking out the back. (at least to me :)
> >
> OK, I'll do that. I think the problem is that they don't seem to
> glow. That's becaus I didn't use media for them. Media and blobs,
> they hate each other...
>
Well, I don't know... I used media for the exhaust of my
blob ship and I didn't have any problem...
Jerome
--
* Doctor Jekyll had something * mailto:ber### [at] inamecom
* to Hyde... * http://www.enst.fr/~jberger
*******************************
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