POV-Ray : Newsgroups : povray.binaries.animations : Particle problem solved (mpeg1 340k) Server Time
19 Jul 2024 17:11:08 EDT (-0400)
  Particle problem solved (mpeg1 340k) (Message 1 to 6 of 6)  
From: Hugo
Subject: Particle problem solved (mpeg1 340k)
Date: 10 Sep 2002 04:29:31
Message: <3d7dad6b@news.povray.org>
For your weekly animation fix.

I tried to make it look real, although it's a strange thingy. The animation
is only 67 frames because there was a power failure here after 17 hours of
rendering. It seems Rune's particle system can't resume after a break; I
would have to start POV again from frame zero.. Anyway.. I solved the
problem with the bubbles, thanks to Rune.

There is a artifact on the torus in the middle, and radiosity causes those
"ants" under the yellow and red cords. Higher rad settings would solve that.

By the way, the slow rendering is not caused by the smoke, it's simply
because I wanted a fairly realistic rendering. The smoke is made of
transparant discs. I'll try to make a more realistic smoke later on.

Regards,
Hugo


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Attachments:
Download 'RustyMotor.mpg' (341 KB)

From: Zeger Knaepen
Subject: Re: Particle problem solved (mpeg1 340k)
Date: 10 Sep 2002 07:00:47
Message: <3d7dd0df@news.povray.org>
Nice modelling and texturing!!
Give the floor a more realistic texture, and it would be perfect!

cu!
--
camera{location-z*3}#macro G(b,e)b+(e-b)*(C/50)#end#macro L(b,e,k,l)#local C=0
;#while(C<50)sphere{G(b,e),.1pigment{rgb G(k,l)}finish{ambient 1}}#local C=C+1
;#end#end L(y-x,y,x,x+y)L(y,-x-y,x+y,y)L(-x-y,-y,y,y+z)L(-y,y,y+z,x+y)L(0,x+y,
<.5,1,.5>,x)L(0,x-y,<.5,1,.5>,x)               // ZK http://www.povplace.be.tf


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From: Rune
Subject: Re: Particle problem solved (mpeg1 340k)
Date: 10 Sep 2002 09:32:04
Message: <3d7df454@news.povray.org>
Hugo wrote:
> It seems Rune's particle system can't resume after
> a break; I would have to start POV again from
> frame zero..

It's supposed to work fine to start from any frame, using the +sf
command line setting. When you tried that, what happened?

By the way, are the smoke emitters "engines" that spew the smoke
backwards, or do they simply "smoke"? It's a bit difficult to tell from
the animation.

Very nice animation by the way. It looks very realistic! :)

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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From: Hugo
Subject: Re: Particle problem solved (mpeg1 340k)
Date: 10 Sep 2002 09:51:51
Message: <3d7df8f7$1@news.povray.org>
> > It seems Rune's particle system can't resume after
> > a break; I would have to start POV again from
> > frame zero..
>
> It's supposed to work fine to start from any frame, using the
> +sf command line setting. When you tried that, what happened?

Oops I used +kf  (Initial_Frame) and I should stop blaming your macros for
these mistakes!


> By the way, are the smoke emitters "engines" that spew the
> smoke backwards, or do they simply "smoke"?

They simply smoke. I was interested in how the rotation would affect the
particles. My original idea was to have balls that smash into walls, due to
high speed rotation.


> Very nice animation by the way. It looks very realistic! :)

Thanks.  :o)  The radiosity seems to be calculated with some randomness, so
reducing the artifacts will be expensive. It's good I can break and resume
animations, then!

Regards,
Hugo


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From: Hugo
Subject: Re: Particle problem solved (mpeg1 340k)
Date: 10 Sep 2002 09:55:50
Message: <3d7df9e6@news.povray.org>
> Nice modelling and texturing!!
Thank you!  I did use some time on both...

> Give the floor a more realistic texture, and it would be perfect!
I could try. I suppose you refer to something more dirty.

Regards,
Hugo


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From: Greg M  Johnson
Subject: Re: Particle problem solved (mpeg1 340k)
Date: 16 Sep 2002 09:17:03
Message: <3d85d9cf$1@news.povray.org>
Nice degree of realism.  I think the smoke particles disappear too quickly,
though.


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