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The flame is a bezier patch with scattering media. In flame1 the only light
is a blue spotlight at its base, and it's almost acceptable. As soon as I
add a point light to the scene (flame2), it's totally unacceptable. I've
tried tweeking everything I can think of, and can't keep the outside of the
bezier patch from showing. Is there a way to fix this, or am I going about
it all wrong?
Steve Shelby
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Attachments:
Download 'flame2.jpg' (6 KB)
Download 'flame1.jpg' (3 KB)
Preview of image 'flame2.jpg'
Preview of image 'flame1.jpg'
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don't forget to make the point light not interact with media
--
Tim Cook
http://home.bellsouth.net/p/PWP-empyrean
-----BEGIN GEEK CODE BLOCK-----
Version: 3.12
GFA dpu- s: a?-- C++(++++) U P? L E--- W++(+++)>$
N++ o? K- w(+) O? M-(--) V? PS+(+++) PE(--) Y(--)
PGP-(--) t* 5++>+++++ X+ R* tv+ b++(+++) DI
D++(---) G(++) e*>++ h+ !r--- !y--
------END GEEK CODE BLOCK------
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I thought of that, but my eventual goal is to have a tea kettle sitting on a
gas burner with steam coming out of the tea kettle. I don't know how to do
steam yet, but I thought it might also involve media. Am I wrong about that?
Steve Shelby
"Timothy Cook" <z99### [at] bellsouth net> wrote in message
news:405da57f$1@news.povray.org...
> don't forget to make the point light not interact with media
------
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What do you think of this one?
--
******************************
* Jerome M. Berger *
* mailto:jbe### [at] ifrancecom *
* http://jeberger.free.fr/ *
******************************
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Attachments:
Download 'gasflame.jpg' (21 KB)
Preview of image 'gasflame.jpg'
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I like! How did you do it?
Steve Shelby
news:405db0bd@news.povray.org...
> What do you think of this one?
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For a flame, I'd use emitting media and for steam i'd use scattering
Marc
405dcfdc$1@news.povray.org...
> I like! How did you do it?
> Steve Shelby
>
> news:405db0bd@news.povray.org...
> > What do you think of this one?
>
>
>
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Basically, it's just an emitting media with a proper density function.
I'll post the source to p.t.s-f, but I must warn you that it probably
will only work with MegaPov 0.7 since it uses emission method 2 media.
However, it should be portable to 3.5 by using standard emitting media
(it just won't look as good on a bright background).
Jerome
Steve Shelby wrote:
| I like! How did you do it?
| Steve Shelby
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| news:405db0bd@news.povray.org...
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|>What do you think of this one?
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- --
******************************
* Jerome M. Berger *
* mailto:jbe### [at] ifrancecom *
* http://jeberger.free.fr/ *
******************************
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kRpDWz6AVc13u6woBp6Mb2Q=
=dcFB
-----END PGP SIGNATURE-----
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Thanks a lot. :^}> I'll see what I can do with it.
Steve Shelby
news:405dd5be$1@news.povray.org...
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Basically, it's just an emitting media with a proper density function.
> I'll post the source to p.t.s-f, but I must warn you that it probably
> will only work with MegaPov 0.7 since it uses emission method 2 media.
> However, it should be portable to 3.5 by using standard emitting media
> (it just won't look as good on a bright background).
>
> Jerome
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news:405dd5be$1@news.povray.org...
> I'll post the source to p.t.s-f, but I must warn you that it probably
> will only work with MegaPov 0.7 since it uses emission method 2 media.
FYI, POV-Ray 3.5 has the 'method 2' as well as 1 and 3 (default). I'd expect
that MegaPOV 1.0 also has all three, since based on the official 3.5 code.
--
Bob H.
http://www.3digitaleyes.com
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-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
I'm not talking of the sampling methods (1, 2 and 3) which work with
any kind of media, but of the emission method, of which there are two
and which I know didn't make it into 3.5 (didn't check 3.6 beta, nor
MegaPov 1.0 but I know it's based on 3.5 and that some of what was in
mp0.7 didn't make it through).
The relevant line in the source I posted is:
emission { 2, <0, 0, 8> extinction 4 }
Jerome
Hughes, B. wrote:
| FYI, POV-Ray 3.5 has the 'method 2' as well as 1 and 3 (default). I'd
expect
| that MegaPOV 1.0 also has all three, since based on the official 3.5 code.
|
- --
******************************
* Jerome M. Berger *
* mailto:jbe### [at] ifrancecom *
* http://jeberger.free.fr/ *
******************************
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=g4s6
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