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From: Christoph Hormann
Subject: Re: particles flow (very first try...)
Date: 1 Oct 2001 06:19:21
Message: <3BB843E2.F72FFA0B@gmx.de>
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JRG wrote:
>
> This is my very firts try in reproducing something similar to a *waterfall*
> (please be mercyfull). It took me 30 minutes to code and 30 minutes to
> render.
> Didn't have the time to play with the parameters and to add a more
> interesting environment (like a heightfield).
> Comments and suggestions are welcome.
>
Very nice for 30 minutes...
Is there interaction between the particles?
Christoph
--
Christoph Hormann <chr### [at] gmx de>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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Nope. But it shouldn't be impossible, as long as you know the real radius of
the blob components.
"Christoph Hormann" <chr### [at] gmxde> ha scritto nel messaggio
news:3BB843E2.F72FFA0B@gmx.de...
>
>
> JRG wrote:
> >
> > This is my very firts try in reproducing something similar to a
*waterfall*
> > (please be mercyfull). It took me 30 minutes to code and 30 minutes to
> > render.
> > Didn't have the time to play with the parameters and to add a more
> > interesting environment (like a heightfield).
> > Comments and suggestions are welcome.
> >
>
> Very nice for 30 minutes...
>
> Is there interaction between the particles?
>
> Christoph
>
> --
> Christoph Hormann <chr### [at] gmxde>
> IsoWood include, radiosity tutorial, TransSkin and other
> things on: http://www.schunter.etc.tu-bs.de/~chris/
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"Rick" wrote:
> very nice - might look better if you used more smaller blobs
Note to JRG: They'll keep telling you this no matter how many and how small
you make them... ;)
Rune
--
3D images and anims, include files, tutorials and more:
Rune's World: http://rsj.mobilixnet.dk (updated June 26)
POV-Ray Users: http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Webring: http://webring.povray.co.uk
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"JRG" wrote:
> This is my very firts try in reproducing something similar
> to a *waterfall* (please be mercyfull).
Very nice for a first try! :)
I always like a little competition! ;)
Is the particle system I/O based? I.e., do you use the #write command in
POV-Ray to save the data to a file which you then read in the next frame of
the animation?
It seems like you colored the particles dependent on velocity so they're
lighter when they move fast?
Anyway, besides the everlasting suggestion of using smaller and more blobs,
I also suggest you add some randomness to the simulation, as it currently
look very synthetic.
Looking forward to see next version!
Rune
--
3D images and anims, include files, tutorials and more:
Rune's World: http://rsj.mobilixnet.dk (updated June 26)
POV-Ray Users: http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Webring: http://webring.povray.co.uk
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From: Christoph Hormann
Subject: Re: particles flow (very first try...)
Date: 1 Oct 2001 12:18:39
Message: <3BB8981A.31C48135@gmx.de>
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I just had an idea, have you tried using cylindrical blob components? I'm
not sure if this would look any good, but worth trying IMO.
Christoph
--
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
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"Rune" <run### [at] mobilixnetdk> ha scritto nel messaggio
news:3bb888f1@news.povray.org...
> "JRG" wrote:
> > This is my very firts try in reproducing something similar
> > to a *waterfall* (please be mercyfull).
>
> Very nice for a first try! :)
>
Thanks!
> Is the particle system I/O based? I.e., do you use the #write command in
> POV-Ray to save the data to a file which you then read in the next frame
of
> the animation?
That was my first thought... but then I found persistence of variables in
MegaPov...
The next version will be updated for POV 3.5 though.
>
> It seems like you colored the particles dependent on velocity so they're
> lighter when they move fast?
You're right.
> Anyway, besides the everlasting suggestion of using smaller and more
blobs,
> I also suggest you add some randomness to the simulation, as it currently
> look very synthetic.
I've added a bit of randomness indeed, but, as I said, I couldn't play too
much with the params to make it more natural.
--
Jonathan
> Looking forward to see next version!
>
> Rune
> --
> 3D images and anims, include files, tutorials and more:
> Rune's World: http://rsj.mobilixnet.dk (updated June 26)
> POV-Ray Users: http://rsj.mobilixnet.dk/povrayusers/
> POV-Ray Webring: http://webring.povray.co.uk
>
>
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I could give it a try. But how do you control their rotations?
--
Jonathan
"Christoph Hormann" <chr### [at] gmxde> ha scritto nel messaggio
news:3BB8981A.31C48135@gmx.de...
>
> I just had an idea, have you tried using cylindrical blob components? I'm
> not sure if this would look any good, but worth trying IMO.
>
> Christoph
>
> --
> Christoph Hormann <chr### [at] gmxde>
> IsoWood include, radiosity tutorial, TransSkin and other
> things on: http://www.schunter.etc.tu-bs.de/~chris/
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> > very nice - might look better if you used more smaller blobs
>
> Note to JRG: They'll keep telling you this no matter how many and how
small
> you make them... ;)
<big grin>
--
Rick
Kitty5 WebDesign - http://Kitty5.com
POV-Ray News & Resources - http://Povray.co.uk
TEL : +44 (01270) 501101 - FAX : +44 (01270) 251105 - ICQ : 15776037
PGP Public Key
http://pgpkeys.mit.edu:11371/pks/lookup?op=get&search=0x231E1CEA
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From: Christoph Hormann
Subject: Re: particles flow (very first try...)
Date: 1 Oct 2001 17:43:57
Message: <3BB8E45A.35695E72@gmx.de>
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JRG wrote:
>
> I could give it a try. But how do you control their rotations?
>
I would try to position start and end point along the flow direction, for
example you could connect all positions from the last frame with those
from the current frame.
Christoph
--
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
Post a reply to this message
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JRG wrote:
> This is my very firts try in reproducing something similar to a *waterfall*
> (please be mercyfull). It took me 30 minutes to code and 30 minutes to
> render.
> Didn't have the time to play with the parameters and to add a more
> interesting environment (like a heightfield).
> Comments and suggestions are welcome.
Nice...
Just one thing: try to get the blobs to exclude each other
from their own space. You will get more horizontal flow when
the blobs bounce.
Best,
S.
----------------------------------------------------------
Steven Pigeon Ph. D. candidate
University of Montreal.
pig### [at] iroumontrealca Topic: data compression
----------------------------------------------------------
http://www.iro.umontreal.ca/~pigeon
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