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Hello, all.
Here's an image of a bitmap where the individual pixels have been
represented by glows. It didn't turn out exactly as I wanted (the
individual glows don't look defined enough to me) but, as it took 10 and a
half hours to render, I don't think this one falls into the 'easy tweak'
dept.
A zip with the scene and associated files is in povray.binaries.scene-files
if anyone wants a look. Improvements on my bad coding welcomed!
Bye,
Alan.
Post a reply to this message
Attachments:
Download 'glo-go.jpg' (41 KB)
Preview of image 'glo-go.jpg'
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On Sat, 9 Sep 2000 15:47:24 +0100, Alan Holding wrote:
>Hello, all.
>
>Here's an image of a bitmap where the individual pixels have been
>represented by glows. It didn't turn out exactly as I wanted (the
>individual glows don't look defined enough to me) but, as it took 10 and a
>half hours to render, I don't think this one falls into the 'easy tweak'
>dept.
>
>A zip with the scene and associated files is in povray.binaries.scene-files
>if anyone wants a look. Improvements on my bad coding welcomed!
Wow, time to change those web graphics/page titles I suppose.
--
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
4:40pm up 18 days, 20:53, 2 users, load average: 1.26, 1.12, 1.04
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That is a very nice image! When I look really close I can see that the
letters are made of lots and lots of tiny dots. Are those the glows?
Oh, and just to get this straight - is this meant to be a possible candidate
in the POV-Ray Logo Contest, or is it just a nice image and nothing more? I
would presume the latter, but you never know...
Greetings,
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 July 23)
/ Also visit http://www.povrayusers.org
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In article <39ba4f72@news.povray.org>, "Alan Holding"
<man### [at] freeukcom> wrote:
> Here's an image of a bitmap where the individual pixels have been
> represented by glows. It didn't turn out exactly as I wanted (the
> individual glows don't look defined enough to me) but, as it took 10
> and a half hours to render, I don't think this one falls into the
> 'easy tweak' dept.
10.5 hours!?!
What processor do you have? And how many glows are in this image? I am
currently rendering another version of my tree, with 1652 glows, and
while it is slower than my other images, it is doing several lines a
second at 480*360 on my 266 MHz G3(which isn't exactly the best
processor at running POV).
Well, my next version of the patch will be able to bypass some of the
calculations if the ray is too far from the glow for it to make much
difference. This should speed this one up by quite a bit. And I have
added a couple new glow types which should be useful.
--
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/
<><
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was AA on? if so, maybe it would look more like you want without it?
Alan Holding wrote:
>
> Hello, all.
>
> Here's an image of a bitmap where the individual pixels have been
> represented by glows. It didn't turn out exactly as I wanted (the
> individual glows don't look defined enough to me) but, as it took 10 and a
> half hours to render, I don't think this one falls into the 'easy tweak'
> dept.
>
> A zip with the scene and associated files is in povray.binaries.scene-files
> if anyone wants a look. Improvements on my bad coding welcomed!
>
> Bye,
> Alan.
>
> [Image]
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Chris Huff <chr### [at] maccom> wrote in message
news:chrishuff-D5B2FD.14222409092000@news.povray.org...
>
> 10.5 hours!?!
Yup. :O(
> What processor do you have? And how many glows are in this image?
Intel Celery 333Mhz overclocked to 375Mhz, and there's 7400 glows in this
image. The original bitmap was 128x77 (which makes 9856, multiplication
fans), but I skipped any black pixels. No point in producing a black
glow...
> Well, my next version of the patch will be able to bypass some of the
> calculations if the ray is too far from the glow for it to make much
> difference. This should speed this one up by quite a bit. And I have
> added a couple new glow types which should be useful.
>
I DO think that the long render time is somehow down to my coding (as
mentioned the source is in p.b.s-f). Either that or my computer is a bucket
of junk. Probably the latter...
Bye,
Alan.
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ryan constantine <rco### [at] yahoocom> wrote in message
news:39BA9D60.DFF49968@yahoo.com...
> was AA on? if so, maybe it would look more like you want without it?
>
Plain old AA 0.3. I'll render it again overnight without AA and see what
happens.
Bye,
Alan.
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Rune <run### [at] inamecom> wrote in message
news:39ba66e8@news.povray.org...
> Oh, and just to get this straight - is this meant to be a possible
candidate
> in the POV-Ray Logo Contest, or is it just a nice image and nothing more?
I
> would presume the latter, but you never know...
Sorry, should have make this clear. It's not an entry into the contest,
just a nice image.
Bye,
Alan.
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I'm getting this 70's feeling... Groovy... Night Fever... Man !!!
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On Sun, 10 Sep 2000 17:52:14 +0100, Alan Holding wrote...
> > What processor do you have? And how many glows are in this image?
>
> Intel Celery 333Mhz overclocked to 375Mhz, and there's 7400 glows in this
> image. The original bitmap was 128x77 (which makes 9856, multiplication
> fans), but I skipped any black pixels. No point in producing a black
> glow...
I've been thinking about this skipping of black pixels, and after having
done a little playing with glows, I was wondering what would happen if
instead of skipping black pixels, you used a glow with <-1,-1,-1> as its
strength...
Maybe it would diminish the ambient fog that the glows have generated.
Bye for now,
Jamie.
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