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More than one year ago I attempted to create a nice camp fire using my
particle system. The result was not too bad, but not very good either I
think.
Now I've tried again to make that camp fire, and the result is better
this time I think. The animation is attached here. As I see it, it has
more of that fire-like quality, which made me come up with the subject
line.
But as always, working on a project for a while makes you somewhat
blind, and thus, other people are best at spotting the possible flaws
and errors there are. So please comment. :)
By the way, I haven't been working on the particle system for some
months, but now I'm on it again, and I think it can be released within a
few months.
Rune
--
3D images and anims, include files, tutorials and more:
rune|vision: http://runevision.com (updated July 12)
POV-Ray Ring: http://webring.povray.co.uk
Post a reply to this message
Attachments:
Download 'fire.mpg' (129 KB)
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Rune wrote:
> More than one year ago I attempted to create
> a nice camp fire using my particle system.
> The result was not too bad, but not very good
> either I think.
By the way, that animation which I made more than a year ago can be
found here:
http://news.povray.org/3ace1277@news.povray.org
Compare with the new one if you like...
Rune
--
3D images and anims, include files, tutorials and more:
rune|vision: http://runevision.com (updated July 12)
POV-Ray Ring: http://webring.povray.co.uk
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Rune wrote:
> But as always, working on a project for a while makes you somewhat
> blind, and thus, other people are best at spotting the possible flaws
> and errors there are. So please comment. :)
The fie itself looks awesome(ROLEX). The only thing unrealistic I see
is the incandecent looking white light on the stones around the fire.
A little tweak there and I think you will have it nailed.
--
Ken Tyler
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in news:3d7a641d@news.povray.org Rune wrote:
> So please comment.
The fire is Excellent!!
Ingo
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Absolutely stunning Rune. You've achieved the best CG fire I've ever seen, I think.
What did you do differently to the previous version?
Seriously looking forward to the particle system being released.
All the best,
Andy Cocker
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Ken wrote:
> The fie itself looks awesome(ROLEX). The only thing
> unrealistic I see is the incandecent looking white
> light on the stones around the fire. A little tweak
> there and I think you will have it nailed.
Thanks Ken! :)
Silly me completely forgot that the light from the fire should be
yellowish and not plain white...
Rune
--
3D images and anims, include files, tutorials and more:
rune|vision: http://runevision.com (updated July 12)
POV-Ray Ring: http://webring.povray.co.uk
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I've seen better...
... in RL. ;-)
Stunning.
--
Jonathan.
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JRG wrote:
> I've seen better...
Could you point me to those posts so I can study them?
> ... in RL. ;-)
> Stunning.
Haha, you fooled me there! Didn't notice it until I hit reply. :D
Thanks. :)
Rune
--
3D images and anims, include files, tutorials and more:
rune|vision: http://runevision.com (updated July 12)
POV-Ray Ring: http://webring.povray.co.uk
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ingo wrote:
> The fire is Excellent!!
Thanks Ingo! :)
Rune
--
3D images and anims, include files, tutorials and more:
rune|vision: http://runevision.com (updated July 12)
POV-Ray Ring: http://webring.povray.co.uk
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Andrew Cocker wrote:
> Absolutely stunning Rune. You've achieved the
> best CG fire I've ever seen, I think.
Whoa, thanks. :D
> What did you do differently to the previous version?
I don't really know. Many tweakings really, since the basic method is
the same. Suddenly I just found a lucky combination of settings.
> Seriously looking forward to the particle
> system being released.
Just let me wrap it up nicely and polish the last details. Unfortunately
that part takes longer than one might think, but ultimately it's for the
better. I've seen too many resources that are just too difficult to get
started with due to lack of documentation and demo scenes. I've also
seen good examples though, and I'd like my include files to belong to
that category.
Rune
--
3D images and anims, include files, tutorials and more:
rune|vision: http://runevision.com (updated July 12)
POV-Ray Ring: http://webring.povray.co.uk
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"Rune" <run### [at] mobilixnet dk> wrote in message news:3d7a7b61@news.povray.org...
> Just let me wrap it up nicely and polish the last details. Unfortunately
> that part takes longer than one might think, but ultimately it's for the
> better. I've seen too many resources that are just too difficult to get
> started with due to lack of documentation and demo scenes. I've also
> seen good examples though, and I'd like my include files to belong to
> that category.
I'm sure it will.
Congrats again.
Andy
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Thats some of the best pov fire I have seen, nice work
--
Rick
Kitty5 NewMedia http://Kitty5.co.uk
POV-Ray News & Resources http://Povray.co.uk
TEL : +44 (01270) 501101 - FAX : +44 (01270) 251105 - ICQ : 15776037
PGP Public Key
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---
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.385 / Virus Database: 217 - Release Date: 04/09/2002
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From: Christoph Hormann
Subject: Re: Dancing Flames of Fire (128 kb mpg)
Date: 8 Sep 2002 09:37:23
Message: <3D7B5293.4F488211@gmx.de>
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Rune wrote:
>
> [...]
>
> But as always, working on a project for a while makes you somewhat
> blind, and thus, other people are best at spotting the possible flaws
> and errors there are. So please comment. :)
I think it looks very good. Interaction with the environment (like a fire
burning in an oven etc.) would be an interesting extension.
> By the way, I haven't been working on the particle system for some
> months, but now I'm on it again, and I think it can be released within a
> few months.
Have you already written documentation? In my experience this is the most
time consuming step about developing such things.
Christoph
--
POV-Ray tutorials, IsoWood include,
TransSkin and more: http://www.tu-bs.de/~y0013390/
Last updated 13 Aug. 2002 _____./\/^>_*_<^\/\.______
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Christoph Hormann wrote:
> I think it looks very good. Interaction with the
> environment (like a fire burning in an oven etc.)
> would be an interesting extension.
Ah, yes. I'll try to see how that works out, though probably not with an
oven.
> Have you already written documentation?
> In my experience this is the most time consuming
> step about developing such things.
I've written by far the most of the documentation, and I agree that it's
very time consuming...
Rune
--
3D images and anims, include files, tutorials and more:
rune|vision: http://runevision.com (updated July 12)
POV-Ray Ring: http://webring.povray.co.uk
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Rick [Kitty5] wrote:
> Thats some of the best pov fire I have seen, nice work
Thank you Rick! :)
Rune
--
3D images and anims, include files, tutorials and more:
rune|vision: http://runevision.com (updated July 12)
POV-Ray Ring: http://webring.povray.co.uk
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What?! No smoke? No burnt hair? ;-)
My campfires usually turn out to be small bonfires. It's very good anyway.
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This is very impressive! Much better than the one from a year-ago, and it wasn't
bad. :)
How well will this scale in size? Larger fires tend to have more swirling
turbulence at their periphery from all of the micro convection currents. I see
some of this in your animation (briefly on the upper right side) and was
wondering how controllable is this parameter?
--
light_source{0,1}#macro c(J,a)sphere{0,1pigment{rgb z}scale a translate J+O}
#end#macro B(R,V,O)c(0,4)intersection{c(V,R)difference{c(-z*4x+10)c(-z*4.1x+
10)c(0<7.5,45,5>)}}#end B(12,0z*25)B(8y*4<0,12,50>) // Batronyx ^"^
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> <lots of text deleted>
> So please comment. :)
I once tried doing fire using particle systems in OpenGL and I
must admit that your version looks a lot better than mine.
<pov-praise-mood> Maybe partly it is due to the fact that yours
is done in POV. POV simply ROCKS!</pov-praise-mood> But good
work on your part too.
> I think it can be released within a few months.
Polish the code and release it ASAP. I am getting impatient
to try it :)
-Kedar
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hughes, b. wrote:
> What?! No smoke? No burnt hair? ;-)
> My campfires usually turn out to be small bonfires.
> It's very good anyway.
Thank you. :)
I may try something bigger to see if I can make it look ok...
Rune
--
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rune|vision: http://runevision.com (updated Sep 8)
POV-Ray Ring: http://webring.povray.co.uk
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Batronyx wrote:
> This is very impressive!
Thank you! :)
> How well will this scale in size? Larger fires tend
> to have more swirling turbulence at their periphery
> from all of the micro convection currents. I see some
> of this in your animation (briefly on the upper right
> side) and was wondering how controllable is this
> parameter?
Not very controllable I think, but some air turbulence might help.
I'll try to see if I can make a bigger fire and make it look ok.
Rune
--
3D images and anims, include files, tutorials and more:
rune|vision: http://runevision.com (updated Sep 8)
POV-Ray Ring: http://webring.povray.co.uk
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Kedar Patil wrote:
> I once tried doing fire using particle systems in
> OpenGL and I must admit that your version looks a
> lot better than mine.
I don't think OpenGL and POV-Ray can be compared very well when it comes
to rendering quality. Can OpenGL even simulate volumetric effects
similar to media? Or how did you render the fire? Textured polygons
facing the camera?
> Polish the code and release it ASAP. I am getting
> impatient to try it :)
I'll do my best. :)
Rune
--
3D images and anims, include files, tutorials and more:
rune|vision: http://runevision.com (updated Sep 8)
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I've uploaded a new version of the fire to my web site. There are no
significant improvements, the light source is just not quite as white. I
also had to change the way that the media for the fire works, and I hope
it doesn't degrade the look of the fire.
http://runevision.com/3d/anims/
The reason I had to change it is that I discovered that the nice-looking
fire was caused by a too low amount of media samples. With increased
samples, the fire began to look very bland and boring. So I had to come
up with a different method that would look good both when few and many
samples are used.
Rune
--
3D images and anims, include files, tutorials and more:
rune|vision: http://runevision.com (updated Sep 8)
POV-Ray Ring: http://webring.povray.co.uk
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in article 3d7a641d@news.povray.org, Run### [at] runejohansen@mobilixnet.dk
wrote on 7/9/02 9:37 pm:
> More than one year ago I attempted to create a nice camp fire using my
> particle system. The result was not too bad, but not very good either I
> think.
>
> Now I've tried again to make that camp fire, and the result is better
> this time I think. The animation is attached here. As I see it, it has
> more of that fire-like quality, which made me come up with the subject
> line.
I have seen you previous one and I think this one is a good improvement.
> But as always, working on a project for a while makes you somewhat
> blind, and thus, other people are best at spotting the possible flaws
> and errors there are. So please comment. :)
>
> By the way, I haven't been working on the particle system for some
> months, but now I'm on it again, and I think it can be released within a
> few months.
That should be cool.
Fidel.
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> "Rune" wrote:
> I don't think OpenGL and POV-Ray can be compared very well when
> it comes to rendering quality. Can OpenGL even simulate
> volumetric effects similar to media?
I agree with you. OpenGL has a polygons-and-textures type of
rendering engine.
I think I should have expressed myself more clearly. I
wasn't comparing the rendering quality, but the behaviour of the
fire as a particle system. What I had done was a kind of quick
hack to learn OpenGL and C++. Your system seems to be more
"real" -- most probably it is based on more accurate physics
than what I used.
> Or how did you render the fire? Textured polygons facing the
> camera?
Yes, that's what I used :) The rendering quality was not that
bad. But, as you said, OpenGL is not to be compared with
POV-Ray.
-Kedar
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