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The Swedish tv-channel "TV4" has announced a competition: "Fake UFO sighting
videos or photos" as some kind of "new episodes of X-Files"-jippo-thing. The
rules are simple: There are no rules. :-) You can do it the "old" way, throw
junk through the air, film it and blur the picture, or you can use
bluescreen... ..or why not use raytracing?
A friend of mine made a cool picture. He went out with a digital camera, took
a picture over the city where he lives, then cooked together a UFO sighting
picture using Maya and that photo.
Anyone here done any of those kind of pictures (placing traced objects in
real world photos) with Pov-Ray?
/j
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"Jan Danielsson" <Jan### [at] falun mailteliacom> wrote in message
news:wnaqnavryffbasnyhaznvygryvnpbz.g0t4g40.pminews@news.povray.org...
| The Swedish tv-channel "TV4" has announced a competition: "Fake UFO
sighting
| videos or photos" as some kind of "new episodes of X-Files"-jippo-thing.|
| A friend of mine made a cool picture. He went out with a digital camera,
took
| a picture over the city where he lives, then cooked together a UFO
sighting
| picture using Maya and that photo.
|
| Anyone here done any of those kind of pictures (placing traced objects in
| real world photos) with Pov-Ray?
Yep, not very good though. Mainly because of pixel flickering of the
point-like light at the start of the animation. That and the fact it didn't
look like much in real life either. Yes, you heard me right, I did a
recreation of something I saw once. I made a photograph with the same
direction and time a while after this happened so I would have at least
something to go by and not leave it to memory alone.
That was years before I came across POV-Ray so one day I finally located the
photo and used it for a background and went about making the UFO scene using
a spline path for it's supposed flight. It's as similar as I could make it
at the time and because there's not much to it doesn't actually look like
much. Every once in a while I'd tell people about the flying glowing bar of
butter with it's ends trimmed at an angle, you can guess the reactions I
always get for saying that :-)
So anyway, I have the animation on-line at:
http://hometown.aol.com/persistenceofv/ufo_a0.mpg
I've found that I need to right-click on the URL and Save Target As... to
put it on disk and play from there (Windows Media Player anyhow) or it clips
the end where the UFO drops below the tree line.
And as I said, the pixelation really messes the recreation up, in actuality
the UFO didn't fluctuate or change color or anything, only it's apparent
size changed. I at first thought it was a cars headlights beaming toward me
from the hilltop a couple miles distant.
To further the story, since I have a captive audience, I went inside my home
and got a 9X rifle scope to look through to see where it landed and there
was at first one person it looked like. Except this person was enshrouded
in a light bluish glow walking toward my right at the same distance of the
UFO and then a second "person" looking likewise following after the first.
Yes, it was strange. Whether I believe it to have been a flying saucer and
such not easy to dismiss. I never could explain the whole thing away as
being a helicopter or plane even though the field across the road (and
across the field between me and that road) was often used to fly small
private planes in and out of. Was a Med-flight helicopter there one night
too after a bad traffic accident. The thing I saw looked nothing like any
of that. Also, it appeared to land where a large church lawn is along some
power lines across the highway from the towns power substation, not at the
large field because of it going behind trees.
Bob
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Wow, Bob, that's quite an experience! One thing that I've done over the
years is ask my friends and people that I've worked with (all have been
people that I trust) if they've ever had any type of supernatural
experience, and a surprisingly high percentage have told me that they have.
Most of the stories that people have told me are more like "ghost stories"
rather than UFO or alien related, though. I myself have had an unexplainable
experience.
And speaking of adding raytraced stuff to a filmed animation, I was thinking
that it would be easier to do if you could specify a background image
without first making it into an image map and scaling it (similar to the
"background {BkgColor}" statement, only like this: "background
{BkgImage###.tga}". The "###" part could be automatically incremented for
each frame, kind of like the clock variable. That way you could convert all
the frames of your filmed animation to sequentially numbered .tga files,
then add the raytraced stuff.
Regards,
Dave
"Bob Hughes" <per### [at] aolcom?subject=PoV-News:> wrote in message
news:39bed579@news.povray.org...
> Yep, not very good though. Mainly because of pixel flickering of the
> point-like light at the start of the animation. That and the fact it
didn't
> look like much in real life either. Yes, you heard me right, I did a
> recreation of something I saw once. I made a photograph with the same
> direction and time a while after this happened so I would have at least
> something to go by and not leave it to memory alone.
> That was years before I came across POV-Ray so one day I finally located
the
> photo and used it for a background and went about making the UFO scene
using
> a spline path for it's supposed flight. It's as similar as I could make
it
> at the time and because there's not much to it doesn't actually look like
> much. Every once in a while I'd tell people about the flying glowing bar
of
> butter with it's ends trimmed at an angle, you can guess the reactions I
> always get for saying that :-)
> So anyway, I have the animation on-line at:
> http://hometown.aol.com/persistenceofv/ufo_a0.mpg
> I've found that I need to right-click on the URL and Save Target As... to
> put it on disk and play from there (Windows Media Player anyhow) or it
clips
> the end where the UFO drops below the tree line.
> And as I said, the pixelation really messes the recreation up, in
actuality
> the UFO didn't fluctuate or change color or anything, only it's apparent
> size changed. I at first thought it was a cars headlights beaming toward
me
> from the hilltop a couple miles distant.
> To further the story, since I have a captive audience, I went inside my
home
> and got a 9X rifle scope to look through to see where it landed and there
> was at first one person it looked like. Except this person was enshrouded
> in a light bluish glow walking toward my right at the same distance of the
> UFO and then a second "person" looking likewise following after the first.
> Yes, it was strange. Whether I believe it to have been a flying saucer
and
> such not easy to dismiss. I never could explain the whole thing away as
> being a helicopter or plane even though the field across the road (and
> across the field between me and that road) was often used to fly small
> private planes in and out of. Was a Med-flight helicopter there one night
> too after a bad traffic accident. The thing I saw looked nothing like any
> of that. Also, it appeared to land where a large church lawn is along
some
> power lines across the highway from the towns power substation, not at the
> large field because of it going behind trees.
>
> Bob
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"Dave Blandston" <gra### [at] earthlinknet> wrote in message
news:39befdea@news.povray.org...
| Wow, Bob, that's quite an experience! One thing that I've done over the
| years is ask my friends and people that I've worked with (all have been
| people that I trust) if they've ever had any type of supernatural
| experience, and a surprisingly high percentage have told me that they
have.
| Most of the stories that people have told me are more like "ghost stories"
| rather than UFO or alien related, though. I myself have had an
unexplainable
| experience.
Should I ask wht it was then? :-) If I told you my personal ghost story
you wouldn't believe anything I ever said again. Ha ha.
| And speaking of adding raytraced stuff to a filmed animation, I was
thinking
| that it would be easier to do if you could specify a background image
| without first making it into an image map and scaling it (similar to the
| "background {BkgColor}" statement, only like this: "background
| {BkgImage###.tga}". The "###" part could be automatically incremented for
| each frame, kind of like the clock variable. That way you could convert
all
| the frames of your filmed animation to sequentially numbered .tga files,
| then add the raytraced stuff.
I've made a include file to do that in a way. It's not well done I admit.
Would be great to have an automatic way of putting background images in
though. You can check out what I tried, with the help of others for advice
etc., at: http://members.aol.com/xyzunknown/linker.htm
The AGIF at top of page is a link and example (tiny one) of what is
possible, but it takes the person using it to figure it out. Many things do
of course. It' mainly a matter of getting the start set up right, but
because I tried to throw in the kitchen sink it got messy.
Bob
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Jan Danielsson wrote:
>
> The Swedish tv-channel "TV4" has announced a competition: "Fake UFO sighting
> videos or photos" as some kind of "new episodes of X-Files"-jippo-thing. The
> rules are simple: There are no rules. :-) You can do it the "old" way, throw
> junk through the air, film it and blur the picture, or you can use
> bluescreen... ..or why not use raytracing?
>
> A friend of mine made a cool picture. He went out with a digital camera, took
> a picture over the city where he lives, then cooked together a UFO sighting
> picture using Maya and that photo.
>
> Anyone here done any of those kind of pictures (placing traced objects in
> real world photos) with Pov-Ray?
An actual contest. Worth playing with it.
I'd say POV for animation so that detail increases as it comes closer.
But for a still I'd stick with Photoshop. I did some joke images
putting colored diatoms over San Diego with properly messed up
reflections of them in the water. Didn't turn out half bad.
--
Matt Giwer, EE, courtesy of the US Civil Service
Commission.
-- The Iron Webmaster, 76
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Jan Danielsson <Jan### [at] falunmailteliacom> wrote in message
news:wnaqnavryffbasnyhaznvygryvnpbz.g0t4g40.pminews@news.povray.org...
>[snip]
> Anyone here done any of those kind of pictures (placing traced
objects in
> real world photos) with Pov-Ray?
>
Yes, a large clockwork winding key (pov) into the side of the local
electric tram (foto) :) The main problem was matching perspectives.
Nothing UFO-wise though.
--
Alf
http://www.peake42.freeserve.co.uk/
http://ourworld.compuserve.com/homepages/Alf_Peake/
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