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Just trying out some glows as lights. There are some obvious problems, but I
think the emergency lights pass.
--
The need for speed is great - Ken Tyler
Post a reply to this message
Attachments:
Download 'Test Glow 05.jpg' (29 KB)
Preview of image 'Test Glow 05.jpg'
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i haven't played much with glows yet. can the shape be manipulated? it
looks like your e-lights are oblong like they should be. your main
light looks like it has a bulge in the middle. is there a looks_like
for glows? or maybe a feature called shape_of would be cool. nice pic
by the way. is the moire pattern on the far wall jpeg's fault? do you
plan on developing the scene further? i think you should. i like it so
far and see a lot of potential.
Bill DeWitt wrote:
>
> Just trying out some glows as lights. There are some obvious problems, but I
> think the emergency lights pass.
>
> --
> The need for speed is great - Ken Tyler
>
> [Image]
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On Wed, 27 Sep 2000 15:02:37 -0400, Bill DeWitt wrote:
>Just trying out some glows as lights. There are some obvious problems, but I
>think the emergency lights pass.
>
Looks good, as Ryan says it could be developed, maybe metalic walls as it
already has a Sci-Fi feel to it.
--
Cheers
Steve email mailto:ste### [at] zeropps uklinuxnet
%HAV-A-NICEDAY Error not enough coffee 0 pps.
web http://www.zeropps.uklinux.net/
or http://start.at/zero-pps
10:19pm up 37 days, 2:33, 2 users, load average: 2.27, 2.41, 2.25
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Needs area lighting. Nice effect these have. Lack of a floor is
disconcerting.
Bob
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Steve wrote:
>Looks good, as Ryan says it could be developed, maybe metalic walls as it
>already has a Sci-Fi feel to it.
>
and then she sees the flashing emergency lights
and then she gets epileptic
and then they think she also has the virus
and then I forgot the name of the Sci-Fi movie
Ingo
--
Photography: http://members.home.nl/ingoogni/
Pov-Ray : http://members.home.nl/seed7/
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"ryan constantine" <rco### [at] yahoocom> wrote :
>
> is the moire pattern on the far wall jpeg's fault?
Sure... plus the fact that my bricks are too small.
> do you
> plan on developing the scene further? i think you should. i like it so
> far and see a lot of potential.
Well thanks, but no, I don't plan on doing anything with this particular
scene. I might use the emergency lights as constructed somewhere else, but
they were quick enough to make that I doubt that I will even put them into a
macro. This was really an experiment about using Glows as lights. The walls
are just planes with "pigment { Bricks}" on them...
The fact that Glows extend their glow beyond solid surfaces means that the
lights will have to be against a wall or ceiling, but you can see that even
that doesn't work too well if they are right up against it as the ceiling
light is. It is like the Glow is on a disc and you can't see the part in
the ceiling.
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The movie was "The Andromeda Strain" based on Michael Crichton's book, and
directed by him, I believe. I remember when that movie first came out, the
soundtrack LP was in a hexagonal sleeve to make it look like the virus.
Mike Wilson
ingo wrote:
> Steve wrote:
>
> >Looks good, as Ryan says it could be developed, maybe metalic walls as it
> >already has a Sci-Fi feel to it.
> >
> and then she sees the flashing emergency lights
> and then she gets epileptic
> and then they think she also has the virus
> and then I forgot the name of the Sci-Fi movie
>
> Ingo
>
> --
> Photography: http://members.home.nl/ingoogni/
> Pov-Ray : http://members.home.nl/seed7/
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Would it be possible to see the source for this?
Mainly I'm interested in the Emergency lights w/glow.
ian
Bill DeWitt wrote in message <39d2445d@news.povray.org>...
>Just trying out some glows as lights. There are some obvious problems, but
I
>think the emergency lights pass.
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Mike Wilson wrote:
>The movie was "The Andromeda Strain" based on Michael Crichton's book,
>and directed by him, I believe.
A quick look at IMDB confirmes, but it's directed by Robert Wise.
Ingo
--
Photography: http://members.home.nl/ingoogni/
Pov-Ray : http://members.home.nl/seed7/
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"ian" <ian### [at] aolcom> wrote :
>
> Would it be possible to see the source for this?
> Mainly I'm interested in the Emergency lights w/glow.
There is nothing to the light fixture, just some cylinders and torii. It
would take me longer to clean it up than for you to write it. The glow is :
glow {
location < -8.0, 0.0, ZEE >
size 2.5
color < 1.0, 0.0, 0.0 >
fade_power 2
type 0
}
with a light source :
light_source { < -8.0, 0.0, ZEE >
color rgb < 2.0, 0.6, 0.6 >
fade_distance 50
fade_power 2 }
}
... again, nothing special.
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I appreciate it. :)
I've not used Plus before, so this example will help very much.
ian
Bill DeWitt wrote in message <39d37905$1@news.povray.org>...
> There is nothing to the light fixture, just some cylinders and torii.
It
>would take me longer to clean it up than for you to write it.
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On Wed, 27 Sep 2000 13:56:20 -0700, ryan constantine wrote...
> i haven't played much with glows yet. can the shape be manipulated?
Unfortunately not, individual glows can only be spherical at the moment.
But if you string enough small, dim glows together, you can get
approximations of other shapes.
> it
> looks like your e-lights are oblong like they should be. your main
> light looks like it has a bulge in the middle. is there a looks_like
> for glows?
Nope, not as far as I know.
> or maybe a feature called shape_of would be cool. nice pic
> by the way. is the moire pattern on the far wall jpeg's fault? do you
> plan on developing the scene further? i think you should. i like it so
> far and see a lot of potential.
As far as I understand it (I.e. not really that well) the glow is a
rendering shortcut which calculates the brightness of a hypothetical glow
point based on how close to the light source the ray passes.
I suspect that someone else (I.e. Chris Huff) could explain this far
better than I can or have.
Bye for now,
Jamie.
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"ryan constantine" <rco### [at] yahoocom> wrote :
> do you
> plan on developing the scene further? i think you should. i like it so
> far and see a lot of potential.
OK, so I did change things a little and I might end up making a scene
from it. The fluorescents need some work and a few more basic parts, but I
think it is possible to make some good ones with glows.
Post a reply to this message
Attachments:
Download 'Test Glow 08.jpg' (48 KB)
Preview of image 'Test Glow 08.jpg'
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On Sat, 30 Sep 2000 17:01:10 -0400, Bill DeWitt wrote:
>"ryan constantine" <rco### [at] yahoocom> wrote :
>> do you
>> plan on developing the scene further? i think you should. i like it so
>> far and see a lot of potential.
>
> OK, so I did change things a little and I might end up making a scene
>from it. The fluorescents need some work and a few more basic parts, but I
>think it is possible to make some good ones with glows.
Like you say the flourescents seem to fuse in the middle. And maybe a good
idea to use a wall mactro, those lumps overlap mortar/block. I seem to
remember Bob (or was it Grim), who did some real good concreet block quite
a while ago that would look great in here.
Those emergency lights do look good.
--
Cheers
Steve email mailto:ste### [at] zeroppsuklinuxnet
%HAV-A-NICEDAY Error not enough coffee 0 pps.
web http://www.zeropps.uklinux.net/
or http://start.at/zero-pps
2:26am up 2 days, 4:46, 3 users, load average: 2.15, 2.23, 2.13
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On Sat, 30 Sep 2000 17:01:10 -0400, "Bill DeWitt"
<the### [at] earthlinknet> wrote:
> OK, so I did change things a little and I might end up making a scene
>from it. The fluorescents need some work and a few more basic parts, but I
>think it is possible to make some good ones with glows.
May I recommend using radiosity only to light your scene? Those
shadows are way off with such a blurred glow, methinks.
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] usanet
TAG e-mail : pet### [at] tagpovrayorg
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"Peter Popov" <pet### [at] usanet> wrote :
>
> May I recommend using radiosity only to light your scene? Those
> shadows are way off with such a blurred glow, methinks.
I have done a couple of tests of that, but until I really get somewhere
with the scene, I don't think I will be rendering many radiosity tests...
Maybe there are some adjustments I could do, but 20 min without and 7.5 hrs
with....?
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On Sun, 1 Oct 2000 08:59:07 -0400, "Bill DeWitt"
<the### [at] earthlinknet> wrote:
>> May I recommend using radiosity only to light your scene? Those
>> shadows are way off with such a blurred glow, methinks.
>
> I have done a couple of tests of that, but until I really get somewhere
>with the scene, I don't think I will be rendering many radiosity tests...
>Maybe there are some adjustments I could do, but 20 min without and 7.5 hrs
>with....?
Holy pieces o' cow!!!
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] usanet
TAG e-mail : pet### [at] tagpovrayorg
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"Peter Popov" <pet### [at] usanet> wrote :
>
> Holy pieces o' cow!!!
After removing the other lights, bounding (radius) the glows and
reducing the number of them plus a few adjustments to radiosity, it sped up
significantly. But it looks like pieces of cow waste now... what am I doing
wrong?
Post a reply to this message
Attachments:
Download 'Test Glow r 12.jpg' (20 KB)
Preview of image 'Test Glow r 12.jpg'
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"Bill DeWitt" <the### [at] earthlinknet> wrote in message
news:39d7bcbd@news.povray.org...
|
| After removing the other lights, bounding (radius) the glows and
| reducing the number of them plus a few adjustments to radiosity, it sped
up
| significantly. But it looks like pieces of cow waste now... what am I
doing
| wrong?
This loses a lot without the lighting.
A low error_bound is probably needed, say about 0.2 or so.
Did you see what Xplo Eristotle had tried for radiosity settings? Posted
here recently; seemed to do well both for time and quality from what I saw
of it.
Your fluorescent lights show a great example of the use of glows.
Bob
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