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I have just finished adding the glowing lights patch from POV-AFX to
MegaPOVPlus, here is my test scene. 3 lights, 2 frame-level objects, no
media or texturing tricks, 5 seconds rendering time at 300*400 with no
anti-aliasing on a 266MHz PowerPC G3. I plan on adding more options,
like some sort of patterned or turbulated glow and more glow types.
I based the source on the Glowing_Lights() function of POV-AFX, but only
the basic calculations survived. I basically rewrote the function, and
the syntax is slightly different and may change further.
--
Christopher James Huff
Personal: chr### [at] mac com, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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Attachments:
Download 'glowing lights.jpg' (20 KB)
Preview of image 'glowing lights.jpg'
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From: Bob Hughes
Subject: Re: Glowing lights - glowing lights.jpg (1/1)
Date: 1 Sep 2000 16:38:20
Message: <39b013bc@news.povray.org>
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"Chris Huff" <chr### [at] maccom> wrote in message
news:chrishuff-02DA04.15295201092000@news.povray.org...
| I have just finished adding the glowing lights patch from POV-AFX to
| MegaPOVPlus
That ones been on the wishlist for many a person over the years.
Is that glow actually reflecting off the floor, or is it only large specular
highlights?
Just occurred to me, it's a real teaser because hasn't it been said the
POV-Ray 3.5 is set in cement already?
P.S. you're incredibly fast with the program compiling.
Bob
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In article <39b013bc@news.povray.org>, "Bob Hughes"
<per### [at] aolcom?subject=PoV-News:> wrote:
> That ones been on the wishlist for many a person over the years.
The patch itself has been around in POV-AFX for several years, but
nobody added it to a more recent version until now. The only other patch
in POV-AFX(as far as I can see) is a fog falloff feature, which is a
lower priority to me.
> Is that glow actually reflecting off the floor, or is it only large
> specular highlights?
Both, actually.
> Just occurred to me, it's a real teaser because hasn't it been said the
> POV-Ray 3.5 is set in cement already?
Yes, the feature list has been "frozen", "carved in stone", "set in
cement", etc. It is extremely unlikely that either #set or this patch
will make it into 3.5.
> P.S. you're incredibly fast with the program compiling.
Thanks. :-)
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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holy crap that's cool. now if you can do this with various shaped
lights, that would be cooler. or if you could do it with looks_like
objects... <homer simpson drool>
Chris Huff wrote:
>
> I have just finished adding the glowing lights patch from POV-AFX to
> MegaPOVPlus, here is my test scene. 3 lights, 2 frame-level objects, no
> media or texturing tricks, 5 seconds rendering time at 300*400 with no
> anti-aliasing on a 266MHz PowerPC G3. I plan on adding more options,
> like some sort of patterned or turbulated glow and more glow types.
> I based the source on the Glowing_Lights() function of POV-AFX, but only
> the basic calculations survived. I basically rewrote the function, and
> the syntax is slightly different and may change further.
>
> --
> Christopher James Huff
> Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
> TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
>
> <><
>
> [Image]
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From: Tony[B]
Subject: Re: Glowing lights - glowing lights.jpg (1/1)
Date: 1 Sep 2000 20:09:36
Message: <39b04540@news.povray.org>
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Sweeet! I don't like how the red on looks. Is it ugly because of JPEG's
fault, or does it actually look like that?
PS: Thank you, thank you, thank you, oh, you great programmer you... Hail
the Huff!
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In article <39B04190.4931AE25@yahoo.com>, ryan constantine
<rco### [at] yahoocom> wrote:
> holy crap that's cool. now if you can do this with various shaped
> lights, that would be cooler.
I might try to figure out how to add linear and spherical glows, or
maybe allow multiple "glows" to be specified for each light or as
separate objects, independant of lights.
> or if you could do it with looks_like objects... <homer simpson
> drool>
The calculations require calculating the angle between the ray and the
light source, as well as the distance to the light source. This is very
easy for points, but I don't think I want to figure out how to calculate
the minimum angle and distance to an arbitrary object...it would
probably be slower than the current proximity pattern or blurred
reflection. Some objects could be solved for directly and quickly,
though...spheres, boxes, possibly meshes, etc.
It would be possible as a post_process filter, but then it wouldn't
reflect/refract...
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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In article <39b04540@news.povray.org>, "Tony[B]"
<ben### [at] panamac-comnet> wrote:
> Sweeet! I don't like how the red on looks. Is it ugly because of JPEG's
> fault, or does it actually look like that?
I'm not quite sure what you mean...but it is partially in the range of
effect of the green one, so it is probably JPEG artifacts you are seeing.
> PS: Thank you, thank you, thank you, oh, you great programmer you... Hail
> the Huff!
Er, you're welcome...
(backs away warily...)
--
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: GrimDude
Subject: Re: Glowing lights - glowing lights.jpg (1/1)
Date: 2 Sep 2000 03:15:33
Message: <39b0a915@news.povray.org>
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That's why we have MegaPov development! :) Salute, Chris.
Grim
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From: Mick Hazelgrove
Subject: Re: Glowing lights - glowing lights.jpg (1/1)
Date: 2 Sep 2000 04:36:42
Message: <39b0bc1a@news.povray.org>
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Now that is really nice and should be really useful. Well done Chris, mind I
can't keep up with what you've done already! Is there a windows port of all
these goodies?
All the best
Mick
"Chris Huff" <chr### [at] maccom> wrote in message
news:chrishuff-02DA04.15295201092000@news.povray.org...
> I have just finished adding the glowing lights patch from POV-AFX to
> MegaPOVPlus, here is my test scene. 3 lights, 2 frame-level objects, no
> media or texturing tricks, 5 seconds rendering time at 300*400 with no
> anti-aliasing on a 266MHz PowerPC G3. I plan on adding more options,
> like some sort of patterned or turbulated glow and more glow types.
> I based the source on the Glowing_Lights() function of POV-AFX, but only
> the basic calculations survived. I basically rewrote the function, and
> the syntax is slightly different and may change further.
>
> --
> Christopher James Huff
> Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
> TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
>
> <><
>
>
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In article <39b0bc1a@news.povray.org>, "Mick Hazelgrove"
<mic### [at] mhazelgrovefsnetcouk> wrote:
> Now that is really nice and should be really useful. Well done Chris,
> mind I can't keep up with what you've done already! Is there a
> windows port of all these goodies?
There is a Windows version of the original patch, but it is based on POV
2.2:
http://www.geocities.com/TimesSquare/2143/povafx10.html
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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